<SEC-DOCUMENT>0000067716-18-000013.txt : 20180223
<SEC-HEADER>0000067716-18-000013.hdr.sgml : 20180223
<ACCEPTANCE-DATETIME>20180223093531
ACCESSION NUMBER:		0000067716-18-000013
CONFORMED SUBMISSION TYPE:	10-K
PUBLIC DOCUMENT COUNT:		152
CONFORMED PERIOD OF REPORT:	20171231
FILED AS OF DATE:		20180223
DATE AS OF CHANGE:		20180223

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MDU RESOURCES GROUP INC
		CENTRAL INDEX KEY:			0000067716
		STANDARD INDUSTRIAL CLASSIFICATION:	MINING, QUARRYING OF NONMETALLIC MINERALS (NO FUELS) [1400]
		IRS NUMBER:				410423660
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03480
		FILM NUMBER:		18634856

	BUSINESS ADDRESS:	
		STREET 1:		1200 WEST CENTURY AVENUE
		CITY:			BISMARCK
		STATE:			ND
		ZIP:			58503
		BUSINESS PHONE:		701-530-1059

	MAIL ADDRESS:	
		STREET 1:		1200 WEST CENTURY AVENUE
		CITY:			BISMARCK
		STATE:			ND
		ZIP:			58503

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MONTANA DAKOTA UTILITIES CO
		DATE OF NAME CHANGE:	19850429
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-K
<SEQUENCE>1
<FILENAME>a2017form10-k.htm
<DESCRIPTION>MDU RESOURCES 2017 FORM 10-K
<TEXT>
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style="font-family:Wingdings;font-size:8.5pt;color:#000000;">o</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</span></div><div style="line-height:120%;padding-top:0px;text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For the transition period from _____________ to ______________</span></div><div style="line-height:120%;padding-top:0px;text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Commission file number 1-03480</span></div><div style="line-height:120%;padding-top:12px;text-align:center;font-size:16pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:16pt;color:#000000;font-weight:bold;">MDU RESOURCES GROUP, INC.</span></div><div style="line-height:140%;padding-top:0px;text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">(Exact name of registrant as specified in its charter)</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:66.11111111111111%;border-collapse:collapse;text-align:left;"><tr><td colspan="3"></td></tr><tr><td style="width:39%;"></td><td style="width:14%;"></td><td style="width:47%;"></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Delaware</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div 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Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">(I.R.S. Employer Identification No.)</span></div></td></tr></table></div></div><div style="line-height:100%;padding-top:4px;text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">1200 West Century Avenue</span></div><div style="line-height:120%;padding-top:0px;text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">P.O. 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Yes&#160;</span><span style="font-family:Wingdings;font-size:8.5pt;color:#000000;">o</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> No </span><span style="font-family:Wingdings;font-size:8.5pt;color:#000000;">&#253;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:135%;padding-top:6px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">State the aggregate market value of the voting common stock held by nonaffiliates of the registrant as of June&#160;30, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">: </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d7973801e1437-wk-Fact-371E94F7C3107C8F1CACF94C9CDE18D0" name="dei:EntityPublicFloat" contextRef="FI2017Q2" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">5,116,974,651</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:135%;padding-top:6px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Indicate the number of shares outstanding of the registrant's common stock, as of February&#160;15, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">: </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d7973801e1448-wk-Fact-7E8A4C4756A53B7F9AD3F94C9CDED066" name="dei:EntityCommonStockSharesOutstanding" contextRef="I2018Q1SharesOutstanding" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">195,304,376</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;shares.</span></div><div style="line-height:135%;padding-top:6px;text-align:justify;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">DOCUMENTS INCORPORATED BY REFERENCE</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Relevant portions of the registrant's </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Proxy Statement, to be filed no later than 120 days from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, are incorporated by reference in Part&#160;III, Items&#160;10, 11, 12, 13 and 14 of this Report.</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div><br/></div><hr style="page-break-after:always"></hr><div><a id="s484F81C18D065CEEA86BA61E88E71540"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Contents</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:609px;border-collapse:collapse;text-align:left;"><tr><td colspan="3"></td></tr><tr><td style="width:49px;"></td><td style="width:485px;"></td><td style="width:74px;"></td></tr><tr><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;">Part I</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td colspan="2" style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;text-decoration:none;" href="#s9F9B2F9EAE0D5DD5BC036D4E679730C8"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;text-decoration:none;">Forward-Looking Statements</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s9F9B2F9EAE0D5DD5BC036D4E679730C8">6</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td colspan="2" style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;font-weight:bold;text-decoration:none;" href="#s4EBFCE4015575BDDA7CD09229145FAB2"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;font-weight:bold;text-decoration:none;">Items 1 and 2 Business and Properties</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s4EBFCE4015575BDDA7CD09229145FAB2">6</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#sD95F98F04DCB59D7B4852FB1544048D6"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">General</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#sD95F98F04DCB59D7B4852FB1544048D6">6</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s810A2A543F68571495474236F516EB61"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Electric</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s810A2A543F68571495474236F516EB61">8</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s12D7BC2B3AD75823AC74B62F3FB08C01"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Natural Gas Distribution</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s12D7BC2B3AD75823AC74B62F3FB08C01">12</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s80690BC1B66951D3BEE586279677A92A"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Pipeline and Midstream</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s80690BC1B66951D3BEE586279677A92A">14</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#sFC9E9488D9C55A13AB678BFFEB6D07C4"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Construction Materials and Contracting</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#sFC9E9488D9C55A13AB678BFFEB6D07C4">15</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#sD0477D8D18CE525F928704B50B6B67BA"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Construction Services</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#sD0477D8D18CE525F928704B50B6B67BA">18</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 1A</span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s1B55BC8C7DB254FDB6D0B4638DD4567A"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Risk Factors</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s1B55BC8C7DB254FDB6D0B4638DD4567A">20</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 1B</span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s8BC1F845B9BC540AB17AF4C94B6DC00C"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Unresolved Staff Comments</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s8BC1F845B9BC540AB17AF4C94B6DC00C">27</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 3 </span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s5EA465EBC90A5E6C9C4CBFCB4E71FC6D"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Legal Proceedings</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s5EA465EBC90A5E6C9C4CBFCB4E71FC6D">27</a></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 4 </span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s47D0BE9ED0585F0BA48E66CC896B59D8"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Mine Safety Disclosures</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s47D0BE9ED0585F0BA48E66CC896B59D8">27</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;">Part II</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 5</span></div></td><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s21D04DA8F52F5DA89C5DC4C94221764A"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Market for the Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s21D04DA8F52F5DA89C5DC4C94221764A">28</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 6 </span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s55187D6C54835F5B906E3F94A0686031"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Selected Financial Data</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s55187D6C54835F5B906E3F94A0686031">29</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 7 </span></div></td><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s962E1C175FC759808C300D5C3F6912C1"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Management's Discussion and Analysis of Financial Condition and Results of Operations</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s962E1C175FC759808C300D5C3F6912C1">31</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 7A </span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#sC29F885457F25DD5827876449BC6B676"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Quantitative and Qualitative Disclosures About Market Risk</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#sC29F885457F25DD5827876449BC6B676">48</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 8 </span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s8ECCEFBC021959DEB51AD467095DCEC7"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Financial Statements and Supplementary Data</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s8ECCEFBC021959DEB51AD467095DCEC7">50</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 9</span></div></td><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s98BA6DC5F0185151AAA1D46F47D4B8F7"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Changes in and Disagreements With Accountants on Accounting and Financial Disclosure</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s98BA6DC5F0185151AAA1D46F47D4B8F7">105</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 9A </span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#sF89894186FB555D5AEC99824F561A85F"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Controls and Procedures</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#sF89894186FB555D5AEC99824F561A85F">105</a></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 9B </span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s9EF8E39C36F6587DA1EDF50DD3BC9C94"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Other Information</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s9EF8E39C36F6587DA1EDF50DD3BC9C94">105</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:20px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;">Part III</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 10 </span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s812086F7A0D85BD0AB7473F1C72CB004"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Directors, Executive Officers and Corporate Governance</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s812086F7A0D85BD0AB7473F1C72CB004">106</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 11 </span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s9AED45CF621F57968C56CC25F0528422"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Executive Compensation</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s9AED45CF621F57968C56CC25F0528422">106</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 12 </span></div></td><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s8678363676CA5E7FA91F20D6E130A05B"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s8678363676CA5E7FA91F20D6E130A05B">106</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 13 </span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#sEE8B9EB3001A55E4AF9779353714E2C8"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Certain Relationships and Related Transactions, and Director Independence</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#sEE8B9EB3001A55E4AF9779353714E2C8">106</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 14 </span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s98FF2EFED04F5D2CBF6C403617DAFB1E"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Principal Accounting Fees and Services</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s98FF2EFED04F5D2CBF6C403617DAFB1E">106</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;">Part IV</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 15 </span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#sFD8444FFCD3E5E36986587E643962124"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Exhibits, Financial Statement Schedules</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#sFD8444FFCD3E5E36986587E643962124">107</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 16 </span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:48px;text-indent:-48px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#se1dff139491b4354953b6f6056eee9ff"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Form 10-K Summary</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#se1dff139491b4354953b6f6056eee9ff">111</a></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td colspan="2" style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;text-decoration:none;" href="#sC5EB2A35672756A9BB7904D3C075C189"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;text-decoration:none;">Signatures</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#sC5EB2A35672756A9BB7904D3C075C189">115</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;text-decoration:none;" href="#sBE649689AB7656C686F6A770DD78A82F"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;text-decoration:none;">Exhibits</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s8E25C0C72B8C501E9ED8F169EA534972"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Definitions</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:100%;padding-top:0px;text-align:left;font-size:10.5pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:29%;"></td><td style="width:71%;"></td></tr><tr><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">The following abbreviations and acronyms used in this Form&#160;10-K are defined below:</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-top:8px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;font-weight:bold;">Abbreviation or Acronym</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">AFUDC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Allowance for funds used during construction</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Andeavor Field Services LLC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Formerly QEP Field Services, LLC doing business as Tesoro Logistics Rockies LLC</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Army Corps</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">U.S. Army Corps of Engineers</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">ASC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">FASB Accounting Standards Codification</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">ATBs</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Atmospheric tower bottoms</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Bcf</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Billion cubic feet</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Big Stone Station</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">475-MW coal-fired electric generating facility near Big Stone City, South Dakota (22.7&#160;percent ownership)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Brazilian Transmission Lines</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Company's former investment in companies owning three electric transmission lines in Brazil</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Btu</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">British thermal unit</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Calumet</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Calumet Specialty Products Partners, L.P.</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Capital Electric</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Capital Electric Construction Company, Inc., a direct wholly owned subsidiary of MDU Construction Services</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Cascade</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Cascade Natural Gas Corporation, an indirect wholly owned subsidiary of MDU Energy Capital</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Centennial</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Centennial Energy Holdings, Inc., a direct wholly owned subsidiary of the Company</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Centennial Capital</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Centennial Holdings Capital LLC, a direct wholly owned subsidiary of Centennial</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Centennial's Consolidated EBITDA</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Centennial's consolidated net income from continuing operations plus the related interest expense, taxes, depreciation, depletion, amortization of intangibles and any non-cash charge relating to asset impairment for the preceding 12-month period</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Centennial Resources</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Centennial Energy Resources LLC, a direct wholly owned subsidiary of Centennial</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">CERCLA</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Comprehensive Environmental Response, Compensation and Liability Act</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Clean Air Act</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Federal Clean Air Act</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Clean Water Act</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Federal Clean Water Act</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Company</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Resources Group, Inc.</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Coyote Creek</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Coyote Creek Mining Company, LLC, a subsidiary of The North American Coal Corporation</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Coyote Station</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">427-MW coal-fired electric generating facility near Beulah, North Dakota (25&#160;percent ownership)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Dakota Prairie Refinery</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">20,000-barrel-per-day diesel topping plant built by Dakota Prairie Refining in southwestern North Dakota</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Dakota Prairie Refining</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Dakota Prairie Refining, LLC, a limited liability company previously owned by WBI Energy and Calumet (previously included in the Company's refining segment)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">D.C. Circuit Court</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">United States Court of Appeals for the District of Columbia Circuit</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">dk</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Decatherm</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Dodd-Frank Act</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Dodd-Frank Wall Street Reform and Consumer Protection Act</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">EBITDA</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Earnings before interest, taxes, depreciation, depletion and amortization</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">EIN</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Employer Identification Number</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">EPA</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">United States Environmental Protection Agency</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">ERISA</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Employee Retirement Income Security Act of 1974</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">ESA</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Endangered Species Act</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Exchange Act</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Securities Exchange Act of 1934, as amended</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">FASB</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Financial Accounting Standards Board</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">FERC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Federal Energy Regulatory Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Fidelity</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Fidelity Exploration &amp; Production Company, a direct wholly owned subsidiary of WBI Holdings (previously referred to as the Company's exploration and production segment)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">FIP</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Funding improvement plan</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">GAAP</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Accounting principles generally accepted in the United States of America</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">GHG</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Greenhouse gas</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Great Plains</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Great Plains Natural Gas Co., a public utility division of the Company</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">GVTC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Generation Verification Test Capacity</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">IBEW</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">International Brotherhood of Electrical Workers</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">ICWU</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">International Chemical Workers Union</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">IFRS</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">International Financial Reporting Standards</span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">3</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Definitions</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:100%;padding-top:0px;text-align:left;font-size:8.5pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:29%;"></td><td style="width:71%;"></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Intermountain</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Intermountain Gas Company, an indirect wholly owned subsidiary of MDU Energy Capital</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">IPUC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Idaho Public Utilities Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Item 8</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Financial Statements and Supplementary Data</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Knife River</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Knife River Corporation, a direct wholly owned subsidiary of Centennial</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Knife River - Northwest</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Knife River Corporation - Northwest, an indirect wholly owned subsidiary of Knife River</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">K-Plan</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Company's 401(k) Retirement Plan</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">kW</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Kilowatts</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">kWh</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Kilowatt-hour</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">LWG</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Lower Willamette Group</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MD&amp;A</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Management's Discussion and Analysis of Financial Condition and Results of Operations</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Mdk</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Thousand dk</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MDU Construction Services</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Construction Services Group, Inc., a direct wholly owned subsidiary of Centennial</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MDU Energy Capital</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Energy Capital, LLC, a direct wholly owned subsidiary of the Company</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MEPP</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Multiemployer pension plan</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MISO</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Midcontinent Independent System Operator, Inc.</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MMBtu</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Million Btu</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MMdk</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Million dk</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MNPUC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Minnesota Public Utilities Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Montana-Dakota</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Montana-Dakota Utilities Co., a public utility division of the Company</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Montana DEQ</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Montana Department of Environmental Quality</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MPPAA</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Multiemployer Pension Plan Amendments Act of 1980</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MTPSC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Montana Public Service Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MW</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Megawatt</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">NDPSC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">North Dakota Public Service Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">NGL</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Natural gas liquids</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Oil</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Includes crude oil and condensate</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">OPUC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Oregon Public Utility Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Oregon DEQ</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Oregon State Department of Environmental Quality</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">PCBs</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Polychlorinated biphenyls</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Pronghorn</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Natural gas processing plant located near Belfield, North Dakota (WBI Energy Midstream's 50&#160;percent ownership interests were sold effective January 1, 2017)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Proxy Statement</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Company's 2018 Proxy Statement</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">PRP</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Potentially Responsible Party</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">RCRA</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Resource Conservation and Recovery Act</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">ROD</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Record of Decision</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">RP</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Rehabilitation plan</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">SDPUC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">South Dakota Public Utilities Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">SEC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">United States Securities and Exchange Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">SEC Defined Prices</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">The average price of oil and natural gas during the applicable 12-month period, determined as an unweighted arithmetic average of the first-day-of-the-month price for each month within such period, unless prices are defined by contractual arrangements, excluding escalations based upon future conditions</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Securities Act</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Securities Act of 1933, as amended</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Securities Act Industry Guide&#160;7</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Description of Property by Issuers Engaged or to be Engaged in Significant Mining Operations</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Sheridan System</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">A separate electric system owned by Montana-Dakota</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">South Dakota DENR</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">South Dakota Department of Environment and Natural Resources</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">SSIP</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">System Safety and Integrity Program</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Stock Purchase Plan</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Company's Dividend Reinvestment and Direct Stock Purchase Plan which was terminated effective December&#160;5, 2016</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">TCJA</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Tax Cuts and Jobs Act</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Tesoro</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Tesoro Refining &amp; Marketing Company LLC</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Thurston County Superior Court</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">State of Washington Thurston County Superior Court</span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Definitions</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:100%;padding-top:0px;text-align:left;font-size:8.5pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:29%;"></td><td style="width:71%;"></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">UA</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">United Association of Journeyman and Apprentices of the Plumbing and Pipefitting Industry of the United States and Canada</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">United States Supreme Court</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Supreme Court of the United States</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">VIE</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Variable interest entity</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Washington DOE</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Washington State Department of Ecology</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">WBI Energy</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">WBI Energy, Inc., a direct wholly owned subsidiary of WBI Holdings</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">WBI Energy Midstream</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">WBI Energy Midstream, LLC, an indirect wholly owned subsidiary of WBI Holdings</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">WBI Energy Transmission</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">WBI Energy Transmission, Inc., an indirect wholly owned subsidiary of WBI Holdings</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">WBI Holdings</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">WBI Holdings, Inc., a direct wholly owned subsidiary of Centennial</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">WUTC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Washington Utilities and Transportation Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Wygen III</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">100-MW coal-fired electric generating facility near Gillette, Wyoming (25&#160;percent ownership)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">WYPSC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Wyoming Public Service Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">ZRCs</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Zonal resource credits - a MW of demand equivalent assigned to generators by MISO for meeting system reliability requirements</span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">5</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="sE672E79135275083AE4B625AB1EFC5DF"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:120%;padding-top:0px;font-size:1pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:1pt;"><br/></span></div><div><a id="s9F9B2F9EAE0D5DD5BC036D4E679730C8"></a></div><div style="line-height:140%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Forward-Looking Statements</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">This Form&#160;10-K contains forward-looking statements within the meaning of Section&#160;21E of the Exchange Act. Forward-looking statements are all statements other than statements of historical fact, including without limitation those statements that are identified by the words "anticipates," "estimates," "expects," "intends," "plans," "predicts" and similar expressions, and include statements concerning plans, objectives, goals, strategies, future events or performance, and underlying assumptions (many of which are based, in turn, upon further assumptions) and other statements that are other than statements of historical facts. From time to time, the Company may publish or otherwise make available forward-looking statements of this nature, including statements contained within Item&#160;7 - MD&amp;A - </span><span style="color:#000000;font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Business Segment Financial and Operating Data</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Forward-looking statements involve risks and uncertainties, which could cause actual results or outcomes to differ materially from those expressed. The Company's expectations, beliefs and projections are expressed in good faith and are believed by the Company to have a reasonable basis, including without limitation, management's examination of historical operating trends, data contained in the Company's records and other data available from third parties. Nonetheless, the Company's expectations, beliefs or projections may not be achieved or accomplished.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Any forward-looking statement contained in this document speaks only as of the date on which the statement is made, and the Company undertakes no obligation to update any forward-looking statement or statements to reflect events or circumstances that occur after the date on which the statement is made or to reflect the occurrence of unanticipated events. New factors emerge from time to time, and it is not possible for management to predict all of the factors, nor can it assess the effect of each factor on the Company's business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statement. All forward-looking statements, whether written or oral and whether made by or on behalf of the Company, are expressly qualified by the risk factors and cautionary statements in this Form&#160;10-K, including statements contained within Item&#160;1A - Risk Factors.</span></div><div><a id="s4EBFCE4015575BDDA7CD09229145FAB2"></a></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Items&#160;1 and 2.&#160;Business and Properties</span></div><div><a id="sD95F98F04DCB59D7B4852FB1544048D6"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">General</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company is a regulated energy delivery and construction materials and services business, which was incorporated under the laws of the state of Delaware in 1924. Its principal executive offices are at 1200&#160;West Century Avenue, P.O.&#160;Box&#160;5650, Bismarck, North Dakota 58506-5650, telephone (701)&#160;530-1000.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company operates with a two-platform business model. Its regulated energy delivery platform and its construction materials and services platform are each comprised of different operating segments. Some of these segments experience seasonality related to the industries in which they operate. The two-platform approach helps balance this seasonality and the risk associated with each type of industry. Through its regulated energy delivery platform, the Company provides electric and natural gas services to customers, generates, transmits and distributes electricity, and provides natural gas transportation, storage and gathering services. These businesses are regulated by state public service commissions and/or the FERC. The construction materials and services platform provides construction services to a variety of industries, including commercial, industrial and governmental, and provides construction materials through aggregate mining and marketing of related products, such as ready-mix concrete and asphalt.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company is organized into five reportable business segments. These business segments include: electric, natural gas distribution, pipeline and midstream, construction materials and contracting, and construction services. The Company's reportable segments are determined based on the Company's method of internal reporting, which generally segregates the strategic business units due to differences in products, services and regulation. The internal reporting of these segments is defined based on the reporting and review process used by the Company's chief executive officer.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Montana-Dakota, Great Plains, Cascade and Intermountain comprise the natural gas distribution segment. Montana-Dakota also comprises the electric segment.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company, through its wholly owned subsidiary, Centennial, owns WBI Holdings, Knife River, MDU Construction Services, Centennial Resources and Centennial Capital. WBI Holdings is the pipeline and midstream segment, Knife River is the construction materials and contracting segment, MDU&#160;Construction Services is the construction services segment, and Centennial Resources and Centennial Capital are both reflected in the Other category.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On November 21, 2017, the Company announced that its board of directors has directed senior management to explore reorganization to a holding company structure. The purpose of a potential reorganization would be to make Montana-Dakota and Great Plains, which today are </span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">6</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">divisions of the Company, into a subsidiary of the holding company, just as the Company&#8217;s other operating companies are wholly owned subsidiaries.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For more information on the Company's business segments and discontinued operations, see Item&#160;8 - Notes&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">13</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">As of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company had </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">10,140</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;employees with 205&#160;employed at MDU&#160;Resources Group, Inc., 963&#160;at Montana-Dakota, 35&#160;at Great Plains, 348&#160;at Cascade, 240&#160;at Intermountain, 319&#160;at WBI Holdings, 3,466&#160;at Knife River and 4,564&#160;at MDU&#160;Construction Services. The number of employees at certain Company operations fluctuates during the year depending upon the number and size of construction projects. The Company considers its relations with employees to be satisfactory.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following information regarding the number of employees represented by labor contracts is as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">At Montana-Dakota and WBI Energy Transmission, 353 and 68&#160;employees, respectively, are represented by the IBEW. Labor contracts with such employees are in effect through April&#160;30, 2018, and March&#160;31, 2018, respectively.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">At Cascade, 192&#160;employees are represented by the ICWU. The labor contract with the field operations group is effective through March&#160;31, 2018.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">At Intermountain, 127&#160;employees are represented by the UA. Labor contracts with such employees are in effect through September&#160;30, 2019.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Knife River operates under 43&#160;labor contracts that represent 685 of its construction materials and contracting employees. Knife River is in negotiations on one of its labor contracts.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">MDU Construction Services has 130&#160;labor contracts representing the majority of its employees. MDU Construction Services is in negotiations on 10 of its labor contracts.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The majority of the labor contracts contain provisions that prohibit work stoppages or strikes and provide for binding arbitration dispute resolution in the event of an extended disagreement.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's principal properties, which are of varying ages and are of different construction types, are generally in good condition, are well maintained and are generally suitable and adequate for the purposes for which they are used.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The financial results and data applicable to each of the Company's business segments, as well as their financing requirements, are set forth in Item&#160;7 - MD&amp;A and Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">13</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and Supplementary Financial Information.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The operations of the Company and certain of its subsidiaries are subject to federal, state and local laws and regulations providing for air, water and solid waste pollution control; state facility-siting regulations; zoning and planning regulations of certain state and local authorities; federal health and safety regulations and state hazard communication standards. The Company believes that it is in substantial compliance with these regulations, except as to what may be ultimately determined with regard to items discussed in Environmental matters in Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">17</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. There are no pending CERCLA actions for any of the Company's properties, other than the Portland, Oregon, Harbor Superfund Site and the Bremerton Gasworks Superfund Site.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company produces GHG emissions primarily from its fossil fuel electric generating facilities, as well as from natural gas pipeline and storage systems, and operations of equipment and fleet vehicles. GHG emissions also result from customer use of natural gas for heating and other uses. As interest in reductions in GHG emissions has grown, the Company has developed renewable generation with lower or no GHG emissions. Governmental legislative and regulatory initiatives regarding environmental and energy policy are continuously evolving and could negatively impact the Company's operations and financial results. Until legislation and regulation are finalized, the impact of these measures cannot be accurately predicted. The Company will continue to monitor legislative and regulatory activity related to environmental and energy policy initiatives. Disclosure regarding specific environmental matters applicable to each of the Company's businesses is set forth under each business description later. In addition, for a discussion of the Company's risks related to environmental laws and regulations, see Item&#160;1A - Risk Factors.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">This annual report on Form&#160;10-K, the Company's quarterly reports on Form&#160;10-Q and current reports on Form&#160;8-K, and any amendments to those reports filed or furnished pursuant to Section&#160;13(a) or 15(d) of the Exchange Act are available free of charge through the Company's Web site as soon as reasonably practicable after the Company has electronically filed such reports with, or furnished such reports to, the SEC. The Company's Web site address is www.mdu.com. The information available on the Company's Web site is not part of this annual report on Form&#160;10-K.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">7</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s810A2A543F68571495474236F516EB61"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Electric</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">General</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Montana-Dakota provides electric service at retail, serving </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">142,901</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;residential, commercial, industrial and municipal customers in 178&#160;communities and adjacent rural areas as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. For more information on the retail customer classes served, see the table below. The principal properties owned by Montana-Dakota for use in its electric operations include interests in 16&#160;electric generating units at 11 facilities and three small portable diesel generators, as further described under System Supply, System Demand and Competition, approximately 3,200 and 4,900&#160;miles of transmission and distribution lines, respectively, and 73&#160;transmission and 296&#160;distribution substations. Montana-Dakota has obtained and holds, or is in the process of renewing, valid and existing franchises authorizing it to conduct its electric operations in all of the municipalities it serves where such franchises are required. Montana-Dakota intends to protect its service area and seek renewal of all expiring franchises. At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, Montana-Dakota's net electric plant investment was $1.4&#160;billion, and rate base was $1.1&#160;billion.</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The retail customers served and respective revenues by class for the electric business were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="16"></td></tr><tr><td style="width:22%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="5" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2017</span></div></td><td colspan="5" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016</span></div></td><td colspan="5" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2015</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Customers</span></div><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Served</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Revenues</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Customers</span></div><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Served</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Revenues</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Customers<br/>Served</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Revenues</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="15" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(Dollars in thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Residential</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">118,379</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">121,171</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">118,483</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">117,014</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">118,413</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">107,767</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">22,764</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">140,856</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">22,693</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">135,390</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">22,423</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">121,463</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Industrial</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">242</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">34,417</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">244</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">31,913</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">240</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">32,786</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,516</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">8,275</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,528</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">7,580</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,511</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6,791</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">142,901</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">304,719</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">142,948</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">291,897</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">142,587</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">268,807</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Other electric revenues for Montana-Dakota were $38.1 million, $30.4 million and $11.8 million for the years ended December 31, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The percentage of electric retail revenues by jurisdiction was as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"></td></tr><tr><td style="width:49%;"></td><td style="width:16%;"></td><td style="width:1%;"></td><td style="width:16%;"></td><td style="width:1%;"></td><td style="width:16%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">North Dakota</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">66</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">68</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">65</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Montana</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">20</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">19</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">21</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Wyoming</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">South Dakota</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Retail electric rates, service, accounting and certain security issuances are subject to regulation by the MTPSC, NDPSC, SDPUC and WYPSC. The interstate transmission and wholesale electric power operations of Montana-Dakota also are subject to regulation by the FERC under provisions of the Federal Power Act, as are interconnections with other utilities and power generators, the issuance of securities, accounting and other matters.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Through MISO, Montana-Dakota has access to wholesale energy, ancillary services and capacity markets for its interconnected system. MISO is a regional transmission organization responsible for operational control of the transmission systems of its members. MISO provides security center operations, tariff administration and operates day-ahead and real-time energy markets, ancillary services and capacity markets. As a member of MISO, Montana-Dakota's generation is sold into the MISO energy market and its energy needs are purchased from that market.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">System Supply, System Demand and Competition</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Through an interconnected electric system, Montana-Dakota serves markets in portions of western North Dakota, including Bismarck, Mandan, Dickinson, Williston and Watford City; eastern Montana, including Sidney, Glendive and Miles City; and northern South Dakota, including Mobridge. The interconnected system consists of 15&#160;electric generating units at 10 facilities and three small portable diesel generators, which have an aggregate nameplate rating attributable to Montana-Dakota's interest of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">704,143</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;kW and total net ZRCs of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">528.2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. ZRCs are a MW of demand equivalent measure and are allocated to individual generators to meet planning reserve margin requirements within MISO. For </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, Montana-Dakota's total ZRCs, including its firm purchase power contracts, were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">553.1</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Montana-Dakota's planning reserve margin requirement within MISO was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">530.2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. The maximum electric peak demand experienced to date attributable to Montana-Dakota's sales to retail customers on the interconnected system was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">611,542</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;kW in August 2015. Montana-Dakota's latest forecast for its interconnected system indicates that its annual peak will continue to occur during the summer and the sales growth rate through </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2022</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> will approximate two percent annually. Montana-Dakota's interconnected system electric generating capability includes five steam-turbine generating units at four facilities using coal for fuel, four combustion </span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">8</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">turbine units at three facilities, three wind electric generating facilities, two reciprocating internal combustion engines at one facility, a heat recovery electric generating facility and three small portable diesel generators.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In June 2016, Montana-Dakota and a partner began construction on a 345-kilovolt transmission line within the footprint of MISO from Ellendale, North Dakota, to Big Stone City, South Dakota, a distance of about 160&#160;miles, which will facilitate public policy goals and objectives, including delivery of renewable wind energy from North Dakota to eastern markets. The project has been approved as a MISO multivalue project. All necessary easements have been secured and the project is expected to be completed in 2019.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In December 2016, Montana-Dakota signed a 25-year agreement to purchase power from the expansion of the Thunder Spirit Wind farm in southwest North Dakota. In November 2017, the NDPSC approved the advance determination of prudence for the purchase of the Thunder Spirit Wind farm expansion. Montana-Dakota expects to soon have a purchase agreement in place and finalize the purchase when the construction is complete in late 2018. With the addition of the expansion, Montana-Dakota's total wind farm generation capacity will be approximately 155&#160;MW and increase Montana-Dakota's electric generation portfolio to approximately 27&#160;percent renewables. The original 107.5-MW wind farm includes 43&#160;turbines; it was purchased by Montana-Dakota in December&#160;2015. The expansion will include 16&#160;turbines. Acquisition costs for the project are estimated to be approximately $85&#160;million.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Additional energy will be purchased as needed, or if more economical, from the MISO market. In </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, Montana-Dakota purchased approximately 26&#160;percent of its net kWh needs for its interconnected system through the MISO market.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Approximately 24&#160;percent of the electricity delivered to customers from Montana-Dakota's owned generation in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> was from renewable resources. Although Montana-Dakota's generation resource capacity has increased to serve the needs of customers, the carbon dioxide emission intensity of the electric generation resource fleet has been reduced by more than 25&#160;percent since 2003 and is expected to continue to decline.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Through the Sheridan System, Montana-Dakota serves Sheridan, Wyoming, and neighboring communities. The maximum peak demand experienced to date attributable to Montana-Dakota sales to retail customers on that system was approximately 61,501&#160;kW in July&#160;2012. Montana-Dakota has a power supply contract with Black Hills Power, Inc. to purchase up to 49,000&#160;kW of capacity annually through December&#160;31, 2023. Wygen&#160;III serves a portion of the needs of its Sheridan-area customers.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">9</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following table sets forth details applicable to the Company's electric generating stations:</span></div><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:84.48275862068965%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"></td></tr><tr><td style="width:21%;"></td><td style="width:33%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:4%;"></td><td style="width:13%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Generating Station</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Type</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Nameplate Rating (kW)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2017 ZRCs</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(a)&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2017 Net Generation (kWh in thousands)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interconnected System:</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">North Dakota:</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Coyote (b)</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Steam</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">103,647</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">83.4</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">652,071</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Heskett</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Steam</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">86,000</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">87.1</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">454,134</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Heskett </span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Combustion Turbine</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">89,038</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">59.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,400</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Glen Ullin</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Heat Recovery</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">7,500</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.0</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">45,548</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cedar Hills</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Wind</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">19,500</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">59,385</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Diesel Units</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Oil</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5,475</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3.7</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">9</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Thunder Spirit</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Wind</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">107,500</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">20.6</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">428,528</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">South Dakota:</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Big Stone (b)</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Steam</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">94,111</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">101.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">469,709</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Montana:</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Lewis &amp; Clark</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Steam</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">44,000</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">50.9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">225,984</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Lewis &amp; Clark</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Reciprocating Internal Combustion Engine</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">18,700</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">16.1</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5,453</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Glendive</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Combustion Turbine</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">75,522</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">68.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2,333</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Miles City</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Combustion Turbine</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">23,150</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">21.5</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">406</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Diamond Willow</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Wind</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">30,000</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6.3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">93,696</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">704,143</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">528.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2,440,656</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Sheridan System:</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Wyoming:</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Wygen III (b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Steam</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">28,000</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">189,984</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">732,143</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">528.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2,630,640</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Interconnected system only. MISO requires generators to obtain their summer capability through the GVTC. The GVTC is then converted to ZRCs by applying each generator's forced outage factor against its GVTC. Wind generator's ZRCs are calculated based on a wind capacity study performed annually by MISO. ZRCs are used to meet supply obligations within MISO.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(b)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Reflects Montana-Dakota's ownership interest.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:84.48275862068965%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Virtually all of the current fuel requirements of the Heskett and Lewis &amp; Clark stations are met with coal supplied by subsidiaries of Westmoreland Coal Company under contracts that expire in December&#160;2021 and December&#160;2020, respectively. The Heskett and Lewis &amp; Clark coal supply agreements provide for the purchase of coal necessary to supply the coal requirements of these stations at contracted pricing. Montana-Dakota estimates the Heskett and Lewis &amp; Clark coal requirement to be in the range of 425,000 to 460,000&#160;tons and 250,000 to 350,000&#160;tons per contract year, respectively.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The owners of Coyote Station, including Montana-Dakota, have a contract with Coyote Creek for coal supply to the Coyote Station that expires December&#160;2040. Montana-Dakota estimates the Coyote Station coal supply agreement to be approximately 2.5&#160;million tons per contract year. For more information, see Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">17</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The owners of Big Stone Station, including Montana-Dakota, have coal supply agreements, which meet a portion of the Big Stone Station's fuel requirements, for the purchase of 250,000 tons in 2018 and 2019 from Contura Coal Sales, LLC and 550,000 tons in 2018 from Peabody COALSALES, LLC both at contracted pricing. The remainder of the Big Stone Station fuel requirements will be secured through separate future contracts.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Montana-Dakota has a coal supply agreement with Wyodak Resources Development Corp., to supply the coal requirements of Wygen&#160;III at contracted pricing through June&#160;1, 2060. Montana-Dakota estimates the maximum annual coal consumption of the facility to be 585,000&#160;tons.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The average cost of coal purchased, including freight, at Montana-Dakota's electric generating stations (including the Big Stone, Coyote and Wygen&#160;III stations) was as follows:</span></div><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:515px;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:248px;"></td><td style="width:8px;"></td><td style="width:78px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December 31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Average cost of coal per MMBtu</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2.07</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1.89</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1.75</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Average cost of coal per ton</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">30.04</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">27.45</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">25.41</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">10</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Montana-Dakota expects that it has secured adequate capacity available through existing baseload generating stations, renewable generation, turbine peaking stations, demand reduction programs and firm contracts to meet the peak customer demand requirements of its customers through 2024. Future capacity that is needed to replace contracts and meet system growth requirements is expected to be met by constructing new generation resources, or acquiring additional capacity through power purchase contracts or the MISO capacity auction.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Montana-Dakota has major interconnections with its neighboring utilities and considers these interconnections adequate for coordinated planning, emergency assistance, exchange of capacity and energy and power supply reliability.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Montana-Dakota is subject to competition in varying degrees, in certain areas, from rural electric cooperatives, on-site generators, co-generators and municipally owned systems. In addition, competition in varying degrees exists between electricity and alternative forms of energy such as natural gas.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Regulatory Matters and Revenues Subject to Refund</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In North Dakota, Montana-Dakota's results of operations reflect monthly increases or decreases in electric fuel and purchased power costs (including demand charges) and Montana-Dakota is deferring those electric fuel and purchased power costs that are greater or less than amounts presently being recovered through its existing rate schedules. In Montana, a monthly Fuel and Purchased Power Tracking Adjustment mechanism allows Montana-Dakota's results of operations to reflect 90&#160;percent of the increases or decreases in electric fuel and purchased power costs (including demand charges) and Montana-Dakota is deferring 90&#160;percent of costs that are greater or less than amounts presently being recovered through its existing rate schedules. A fuel adjustment clause contained in South Dakota jurisdictional electric rate schedules allows Montana-Dakota's results of operations to reflect monthly increases or decreases in electric fuel and purchased power costs. In Wyoming, an annual Electric Power Supply Cost Adjustment mechanism allows Montana-Dakota's results of operations to reflect increases or decreases in purchased power costs (including demand charges) related to power supply and Montana-Dakota is deferring costs that are greater or less than amounts presently being recovered through its existing rate schedules. Such orders generally provide that these amounts are recoverable or refundable through rate adjustments which are filed annually. Montana-Dakota's results of operations reflect 95&#160;percent of the increases or decreases from the base purchased power costs and in addition also reflects 85&#160;percent of the increases or decreases from the base coal price, which is also recovered through the Electric Power Supply Cost Adjustment. For more information, see Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For the Thunder Spirit Wind project, Montana-Dakota implemented a renewable resource cost adjustment rider, and all of Montana-Dakota's wind resources pertaining to North Dakota electric operations were placed in this rider upon a final order of the most recent North Dakota electric general rate case. Montana-Dakota also has in place in North Dakota a transmission tracker to recover transmission costs associated with MISO and the Southwest Power Pool, regional transmission systems serving Montana-Dakota, along with certain of the transmission investments not recovered through retail rates. The tracking mechanism has an annual true-up.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In South Dakota, Montana-Dakota recovers the South Dakota investment in the Thunder Spirit Wind project through an Infrastructure Rider tracking mechanism that is subject to an annual true-up. Montana-Dakota also has in place in South Dakota a transmission tracker to recover transmission costs associated with MISO and the Southwest Power Pool, regional transmission systems serving Montana-Dakota, along with certain of the transmission investments not recovered through retail rates. The tracking mechanism has an annual true-up.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In Montana, Montana-Dakota recovers in rates through a tracking mechanism the increases associated with its allocated share of Montana state and local taxes assessed to electric operations on an after tax basis.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For more information on regulatory matters, see Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">16</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Environmental Matters</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Montana-Dakota's electric operations are subject to federal, state and local laws and regulations providing for air, water and solid waste pollution control; state facility-siting regulations; zoning and planning regulations of certain state and local authorities; federal health and safety regulations; and state hazard communication standards. Montana-Dakota believes it is in substantial compliance with these regulations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Montana-Dakota's electric generating facilities have Title&#160;V Operating Permits, under the Clean Air Act, issued by the states in which they operate. Each of these permits has a five-year life. Near the expiration of these permits, renewal applications are submitted. Permits continue in force beyond the expiration date, provided the application for renewal is submitted by the required date, usually six months prior to expiration. The Title&#160;V Operating Permit renewal application for Big Stone Station was submitted timely to the South Dakota DENR in November 2013, and a final permit was issued in May 2017. An application to modify the Title&#160;V Operating Permit for incorporation of two new natural gas-fired engines at Lewis &amp; Clark Station was submitted to the Montana DEQ timely in December 2016, and a final permit was issued in July 2017. The Title&#160;V Operating Permit renewal application for Coyote Station was submitted timely to the North Dakota Department of Health in September 2017, with the permit expected to be issued in 2018. Wygen&#160;III is allowed to operate under the facility's construction permit until the Title&#160;V Operating Permit is issued by the Wyoming Department of Environmental Quality. The Title&#160;V Operating Permit application for Wygen&#160;III was submitted timely in January 2011, with the permit expected to be issued in 2018.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">11</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">State water discharge permits issued under the requirements of the Clean Water Act are maintained for power production facilities on the Yellowstone and Missouri rivers. These permits also have five-year lives. Montana-Dakota renews these permits as necessary prior to expiration. Other permits held by these facilities may include an initial siting permit, which is typically a one-time, preconstruction permit issued by the state; state permits to dispose of combustion by-products; state authorizations to withdraw water for operations; and Army Corps permits to construct water intake structures. Montana-Dakota's Army Corps permits grant one-time permission to construct and do not require renewal. Other permit terms vary and the permits are renewed as necessary.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Montana-Dakota's electric operations are conditionally exempt small-quantity hazardous waste generators and subject only to minimum regulation under the RCRA. Montana-Dakota routinely handles PCBs from its electric operations in accordance with federal requirements. PCB storage areas are registered with the EPA as required.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Montana-Dakota incurred $3.7&#160;million of environmental capital expenditures in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, mainly for coal ash management projects at Lewis &amp; Clark Station, Big Stone Station and Coyote Station. Environmental capital expenditures are estimated to be $9.6&#160;million, $9.2&#160;million and $1.5&#160;million in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2019</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2020</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, for various environmental upgrades and improvements for air emission and water and coal ash management at power plants. Montana-Dakota's capital and operational expenditures could also be affected by future air emission regulations, including a future regulation that may replace the Clean Power Plan rule published by the EPA in October 2015. The Clean Power Plan requires existing fossil fuel-fired electric generating facilities to reduce carbon dioxide emissions. On February&#160;9, 2016, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">the United States Supreme Court granted an application for a stay of the Clean Power Plan pending disposition of the applicants' petition for review in the D.C. Circuit Court and disposition of the applicants' petition for a writ of certiorari if such a writ is sought. The EPA filed a motion with the D.C. Circuit Court on March 28, 2017, requesting the Clean Power Plan's case be held in abeyance. The D.C. Circuit Court granted the EPA&#8217;s motion to hold the case in abeyance for 60 days. On August 8, 2017, the D.C. Circuit Court issued an order holding the case in abeyance for an additional 60-day period and directed the EPA to file status reports at 30-day intervals. In parallel, the EPA published a proposal on October 16, 2017, to repeal the Clean Power Plan in its entirety and followed with an advance notice of proposed rulemaking published in the Federal Register on December 28, 2017, requesting comment on replacing the Clean Power Plan through new rulemaking.</span></div><div><a id="s12D7BC2B3AD75823AC74B62F3FB08C01"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Natural Gas Distribution</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">General</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's natural gas distribution operations consist of Montana-Dakota, Great Plains, Cascade and Intermountain, which sell natural gas at retail, serving </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">938,867</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> residential, commercial and industrial customers in 335&#160;communities and adjacent rural areas across eight states as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, and provide natural gas transportation services to certain customers on the Company's systems. For more information on the retail customer classes served, see the table below. These services are provided through distribution systems aggregating approximately 19,600&#160;miles. The natural gas distribution operations have obtained and hold, or are in the process of renewing, valid and existing franchises authorizing them to conduct their natural gas operations in all of the municipalities they serve where such franchises are required. These operations intend to protect their service areas and seek renewal of all expiring franchises. At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the natural gas distribution operations' net natural gas distribution plant investment was $1.5&#160;billion, and rate base was $975&#160;million.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The retail customers served and respective revenues by class for the natural gas distribution operations were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="16"></td></tr><tr><td style="width:22%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="5" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2017</span></div></td><td colspan="5" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016</span></div></td><td colspan="5" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2015</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Customers</span></div><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Served</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Revenues</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Customers</span></div><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Served</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Revenues</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Customers</span></div><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Served</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Revenues</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="15" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(Dollars in thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Residential</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">833,255</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">477,699</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">818,163</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">429,828</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">803,846</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">455,301</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">104,795</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">283,899</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">103,438</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">253,333</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">101,688</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">277,022</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Industrial</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">817</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">24,030</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">807</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">23,337</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">811</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">26,568</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">938,867</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">785,628</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">922,408</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">706,498</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">906,345</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">758,891</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Transportation and other revenues for the natural gas distribution operations were $62.8 million, $59.6 million and $58.5 million for the years ended December 31, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">12</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The percentage of the natural gas distribution operations' retail sales revenues by jurisdiction was as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"></td></tr><tr><td style="width:49%;"></td><td style="width:16%;"></td><td style="width:1%;"></td><td style="width:16%;"></td><td style="width:1%;"></td><td style="width:16%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Idaho</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">33</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">34</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">32</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Washington</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">26</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">26</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">26</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">North Dakota</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">13</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">13</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">15</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Montana</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">9</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">8</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">8</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Oregon</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">South Dakota</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">6</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Minnesota</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Wyoming</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The natural gas distribution operations are subject to regulation by the IPUC, MNPUC, MTPSC, NDPSC, OPUC, SDPUC, WUTC and WYPSC regarding retail rates, service, accounting and certain security issuances.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">System Supply, System Demand and Competition</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> The natural gas distribution operations serve retail natural gas markets, consisting principally of residential and firm commercial space and water heating users, in portions of Idaho, including Boise, Nampa, Twin Falls, Pocatello and Idaho Falls; western Minnesota, including Fergus Falls, Marshall and Crookston; eastern Montana, including Billings, Glendive and Miles City; North Dakota, including Bismarck, Mandan, Dickinson, Wahpeton, Williston, Watford City, Minot and Jamestown; central and eastern Oregon, including Bend, Pendleton, Ontario and Baker City; western and north-central South Dakota, including Rapid City, Pierre, Spearfish and Mobridge; western, southeastern and south-central Washington, including Bellingham, Bremerton, Longview, Aberdeen, Wenatchee/Moses Lake, Mount Vernon, Tri-Cities, Walla Walla and Yakima; and northern Wyoming, including Sheridan and Lovell. These markets are highly seasonal and sales volumes depend largely on the weather, the effects of which are mitigated in certain jurisdictions by a weather normalization mechanism discussed in Regulatory Matters. In addition to the residential and commercial sales, the utilities transport natural gas for larger commercial and industrial customers who purchase their own supply of natural gas. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Competition in varying degrees exists between natural gas and other fuels and forms of energy. The natural gas distribution operations have established various natural gas transportation service rates for their distribution businesses to retain interruptible commercial and industrial loads. These services have enhanced the natural gas distribution operations' competitive posture with alternative fuels, although certain customers have bypassed the distribution systems by directly accessing transmission pipelines within close proximity. These bypasses did not have a material effect on results of operations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The natural gas distribution operations and various distribution transportation customers obtain their system requirements directly from producers, processors and marketers. The Company's purchased natural gas is supplied by a portfolio of contracts specifying market-based pricing and is transported under transportation agreements with WBI Energy Transmission, Northern Border Pipeline Company, Northwest Pipeline LLC, South Dakota Intrastate Pipeline, TransCanada Corporation, Northern Natural Gas, Gas Transmission Northwest LLC, Northwestern Energy, Viking Gas Transmission Company, Westcoast Energy Inc., Ruby Pipeline LLC, Foothills Pipe Lines Ltd. and NOVA Gas Transmission Ltd. The natural gas distribution operations have contracts for storage services to provide gas supply during the winter heating season and to meet peak day demand with various storage providers, including WBI Energy Transmission, Questar Pipeline Company, Northwest Pipeline LLC and Northern Natural Gas. In addition, certain of the operations have entered into natural gas supply management agreements with various parties. Demand for natural gas, which is a widely traded commodity, has historically been sensitive to seasonal heating and industrial load requirements as well as changes in market price. The natural gas distribution operations believe that, based on current and projected domestic and regional supplies of natural gas and the pipeline transmission network currently available through their suppliers and pipeline service providers, supplies are adequate to meet their system natural gas requirements for the next decade.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Regulatory Matters</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The natural gas distribution operations' retail natural gas rate schedules contain clauses permitting adjustments in rates based upon changes in natural gas commodity, transportation and storage costs. Current tariffs allow for recovery or refunds of under- or over-recovered gas costs through rate adjustments which are filed annually.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Montana-Dakota's North Dakota and South Dakota natural gas tariffs contain weather normalization mechanisms applicable to certain firm customers that adjust the distribution delivery charge revenues to reflect weather fluctuations during the November&#160;1 through May&#160;1 billing periods.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In Montana, Montana-Dakota recovers in rates through a tracking mechanism the increases associated with Montana state and local taxes assessed to natural gas operations on an after tax basis.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">13</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December&#160;28, 2015, the OPUC approved an extension of Cascade's decoupling mechanism until January&#160;1, 2020, with an agreement that Cascade would initiate a review of the mechanism by September&#160;30, 2019. Cascade also has an earnings sharing mechanism with respect to its Oregon jurisdictional operations as required by the OPUC.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On July&#160;7, 2016, the WUTC approved a full decoupling mechanism where Cascade is allowed recovery of an average revenue per customer regardless of actual consumption. The mechanism also includes an earnings sharing component if Cascade earns beyond its authorized return. The decoupling mechanism will be reviewed following the end of 2019.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December&#160;22, 2016, the MNPUC approved a request by Great Plains to implement a full revenue decoupling mechanism pilot project. The decoupling mechanism will reflect the period October 1 through September 30 with the first adjustment to be billed to customers effective December&#160;1 each year for the 3 year pilot project.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For more information on regulatory matters, see Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">16</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Environmental Matters</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The natural gas distribution operations are subject to federal, state and local environmental, facility-siting, zoning and planning laws and regulations. The natural gas distribution operations believe it is in substantial compliance with those regulations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's natural gas distribution operations are conditionally exempt small-quantity hazardous waste generators and subject only to minimum regulation under the RCRA. Certain locations of the natural gas distribution operations routinely handle PCBs from their natural gas operations in accordance with federal requirements. PCB storage areas are registered with the EPA as required. Capital and operational expenditures for natural gas distribution operations could be affected in a variety of ways by potential new GHG legislation or regulation. In particular, such legislation or regulation would likely increase capital expenditures for energy efficiency and conservation programs and operational costs associated with GHG emissions compliance. Natural gas distribution operations expect to recover the operational and capital expenditures for GHG regulatory compliance in rates consistent with the recovery of other reasonable costs of complying with environmental laws and regulations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The natural gas distribution operations did not incur any material environmental expenditures in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Except as to what may be ultimately determined with regard to the issues described in the following paragraph, the natural gas distribution operations do not expect to incur any material capital expenditures related to environmental compliance with current laws and regulations through </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2020</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Montana-Dakota and Great Plains have ties to six historic manufactured gas plants as a successor corporation or through direct ownership of the plant. Montana-Dakota is investigating one of these former manufactured gas plant sites and providing input on another site investigation conducted by a third party. To the extent not covered by insurance, Montana-Dakota may seek recovery in its natural gas rates charged to customers for certain investigation and remediation costs incurred for these sites. Cascade has ties to nine historic manufactured gas plants as a successor corporation or through direct ownership of the plant. Cascade is involved in the investigation and remediation of three of these manufactured gas plants in Washington and Oregon. See Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">17</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for a further discussion of these three manufactured gas plants. To the extent not covered by insurance, Cascade will seek recovery of investigation and remediation costs through its natural gas rates charged to customers.</span></div><div><a id="s80690BC1B66951D3BEE586279677A92A"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Pipeline and Midstream</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">General</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">WBI Energy owns and operates both regulated and nonregulated businesses. The regulated business of this segment, WBI Energy Transmission, owns and operates approximately 4,000&#160;miles of natural gas transmission, gathering and storage lines in Montana, North Dakota, South Dakota and Wyoming. Three underground storage fields in Montana and Wyoming provide storage services to local distribution companies, industrial customers, natural gas marketers and others, and serve to enhance system reliability. Its system is strategically located near five natural gas producing basins, making natural gas supplies available to its transportation and storage customers. The system has 13&#160;interconnecting points with other pipeline facilities allowing for the receipt and/or delivery of natural gas to and from other regions of the country and from Canada. Under the Natural Gas Act, as amended, WBI Energy Transmission is subject to the jurisdiction of the FERC regarding certificate, rate, service and accounting matters, and at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, its net plant investment was $404.6&#160;million.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The nonregulated business of this segment owns and operates gathering facilities in Montana and Wyoming. In total, facilities include approximately 800&#160;miles of operated field gathering lines, some of which interconnect with WBI Energy's regulated pipeline system. The nonregulated business provides natural gas gathering services and a variety of other energy-related services, including cathodic protection and energy efficiency product sales and installation services to large end-users. In November 2016, the Company entered into an agreement to sell its ownership in the Pronghorn assets, which included a 50&#160;percent undivided interest in a natural gas processing plant, both oil and gas gathering pipelines, an oil storage terminal and an oil pipeline in western North Dakota. The transaction closed in January 2017.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">A majority of its pipeline and midstream business is transacted in the northern Great Plains and Rocky Mountain regions of the United States.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">System Supply, System Demand and Competition</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Natural gas supplies emanate from traditional and nontraditional production activities in the region from both on-system and off-system supply sources. New incremental supply from nontraditional sources have developed, such as the Bakken area in Montana and North Dakota, which has helped offset declines in traditional regional supply sources and supports WBI Energy Transmission's transportation and storage services. In addition, off-system supply sources are available through the Company's interconnections with other pipeline systems. WBI Energy Transmission will continue to look for opportunities to increase transportation, gathering and storage services through system expansion and/or other pipeline interconnections or enhancements that could provide substantial future benefits.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">WBI Energy Transmission's underground natural gas storage facilities have a certificated storage capacity of approximately 353&#160;Bcf, including 193&#160;Bcf of working gas capacity, 85&#160;Bcf of cushion gas and 75&#160;Bcf of native gas. These storage facilities enable customers to purchase natural gas throughout the year and meet winter peak requirements.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">WBI Energy Transmission competes with several pipelines for its customers' transportation, storage and gathering business and at times may discount rates in an effort to retain market share. However, the strategic location of its system near five natural gas producing basins and the availability of underground storage and gathering services, along with interconnections with other pipelines, serve to enhance its competitive position.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Although certain of WBI Energy Transmission's firm customers, including its largest firm customer Montana-Dakota, serve relatively secure residential, commercial and industrial end-users, they generally all have some price-sensitive end-users that could switch to alternate fuels.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">WBI Energy Transmission transports substantially all of Montana-Dakota's natural gas, primarily utilizing firm transportation agreements, which for </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> represented 34&#160;percent of WBI Energy Transmission's subscribed firm transportation contract demand. The majority of the firm transportation agreements with Montana-Dakota expire in June&#160;2022. In addition, Montana-Dakota has contracts with WBI Energy Transmission to provide firm storage services to facilitate meeting Montana-Dakota's winter peak requirements expiring in July&#160;2035.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The nonregulated business competes for existing customers in the fields in which it operates. Its focus on customer service and the variety of services it offers serve to enhance its competitive position.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Environmental Matters</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The pipeline and midstream operations are generally subject to federal, state and local environmental, facility-siting, zoning and planning laws and regulations. The Company believes it is in substantial compliance with those regulations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Ongoing operations are subject to the Clean Air Act, the Clean Water Act, the RCRA and other state and federal regulations. Administration of many provisions of these laws has been delegated to the states where WBI Energy and its subsidiaries operate. Permit terms vary and all permits carry operational compliance conditions. Some permits require annual renewal, some have terms ranging from one to five years and others have no expiration date. Permits are renewed and modified, as necessary, based on defined permit expiration dates, operational demand and/or regulatory changes.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Detailed environmental assessments and/or environmental impact statements as required by the National Environmental Policy Act are included in the FERC's environmental review process for both the construction and abandonment of WBI Energy Transmission's natural gas transmission pipelines, compressor stations and storage facilities.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The pipeline and midstream operations did not incur any material environmental expenditures in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and do not expect to incur any material capital expenditures related to environmental compliance with current laws and regulations through </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2020</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div><a id="sFC9E9488D9C55A13AB678BFFEB6D07C4"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Construction Materials and Contracting</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">General</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Knife River operates construction materials and contracting businesses headquartered in Alaska, California, Hawaii, Idaho, Iowa, Minnesota, Montana, North Dakota, Oregon, Texas, Washington and Wyoming. These </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">operations mine, process and sell construction aggregates (crushed stone, sand and gravel); produce and sell asphalt mix; and supply ready-mixed concrete.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> These products are used in most types of construction, performed by Knife River and other companies, including roads, freeways and bridges, as well as homes, schools, shopping centers, office buildings and industrial parks. Knife River </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">focuses on vertical integration of construction services to support the aggregate based product lines including aggregate placement, asphalt and concrete paving, and site development and grading. Although not common to all locations, other products include the sale of cement, liquid asphalt for various commercial and roadway applications, various finished concrete products and other building materials and related contracting services.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">15</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Knife River's backlog was approximately $486 million, $538 million and $491 million at December&#160;31, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. The decrease in backlog at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, compared to backlog at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, was primarily attributable to a lower backlog of state agency work. Backlog increases with awards of new contracts and decreases as work is performed on existing contracts. Knife River expects to complete a significant amount of the backlog at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, during the next 12 months. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Knife River's backlog is comprised of the anticipated revenues from the uncompleted portion of services to be performed under job-specific contracts. A project is included in backlog when a contract is awarded and agreement on contract terms has been reached. However, backlog does not contain contracts for time and material projects that a fixed amount cannot be determined. Backlog is comprised of: (a) original contract amounts, (b) change orders for which customers have approved and (c) claim amounts that have been made against customers for which are determined to have a legal basis under existing contractual arrangements and as to which recovery is considered to be probable. Such claim amounts were immaterial for all periods presented. Backlog may be subject to delay, default or cancellation at the election of the customers. Historically, cancellations have not had a materially adverse effect on backlog. Due to the nature of its contractual arrangements, in many instances Knife River's customers are not committed to the specific volumes of services to be purchased under a contract, but rather Knife River is committed to perform these services if and to the extent requested by the customer. Therefore, there can be no assurance as to the customers' requirements during a particular period or that such estimates at any point in time are predictive of future revenues. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Competition</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Knife River's construction materials products and contracting services are marketed under highly competitive conditions. Price is the principal competitive force to which these products and services are subject, with service, quality, delivery time and proximity to the customer also being significant factors. Knife River focuses on markets located near aggregate sites to reduce transportation costs which allows Knife River to remain competitive with the pricing of aggregate products. The number and size of competitors varies in each of Knife River's principal market areas and product lines.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The demand for construction materials products and contracting services is significantly influenced by the cyclical nature of the construction industry in general. In addition, construction materials and contracting services activity in certain locations may be seasonal in nature due to the effects of weather. The key economic factors affecting product demand are changes in the level of local, state and federal governmental spending on roads and infrastructure projects, general economic conditions within the market area that influence both the commercial and residential sectors, and prevailing interest rates.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Knife River's customers are a diverse group which includes federal, state and municipal government agencies, commercial and residential developers, and private parties. The mix of sales by customer will vary each year depending on the work available. Knife River is not dependent on any single customer or group of customers for sales of its products and services, the loss of which would have a material adverse effect on its construction materials businesses. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Reserve Information</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Aggregate reserve estimates are calculated based on the best available data. This data is collected from drill holes and other subsurface investigations, as well as investigations of surface features such as mine high walls and other exposures of the aggregate reserves. Mine plans, production history and geologic data also are utilized to estimate reserve quantities.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Estimates are based on analyses of the data described above by experienced internal mining engineers, operating personnel and geologists. Property setbacks and other regulatory restrictions and limitations are identified to determine the total area available for mining. Data described previously are used to calculate the thickness of aggregate materials to be recovered. Topography associated with alluvial sand and gravel deposits is typically flat and volumes of these materials are calculated by applying the thickness of the resource over the areas available for mining. Volumes are then converted to tons by using an appropriate conversion factor. Typically, 1.5&#160;tons per cubic yard in the ground is used for sand and gravel deposits.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Topography associated with the hard rock reserves is typically much more diverse. Therefore, using available data, a final topography map is created and computer software is utilized to compute the volumes between the existing and final topographies. Volumes are then converted to tons by using an appropriate conversion factor. Typically, 2&#160;tons per cubic yard in the ground is used for hard rock quarries.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Estimated reserves are probable reserves as defined in Securities Act Industry Guide&#160;7. Remaining reserves are based on estimates of volumes that can be economically extracted and sold to meet current market and product applications. The reserve estimates include only salable tonnage and thus exclude waste materials that are generated in the crushing and processing phases of the operation. Approximately 891&#160;million tons of the </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">965&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> tons of aggregate reserves are permitted reserves. The remaining reserves are on properties that are expected to be permitted for mining under current regulatory requirements. The data used to calculate the remaining reserves may require revisions in the future to account for changes in customer requirements and unknown geological occurrences. The years remaining were calculated by dividing remaining reserves by the three-year average sales from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> through </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Actual useful lives of these reserves will be subject to, among other things, fluctuations in customer demand, customer specifications, geological conditions and changes in mining plans.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">16</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following table sets forth details applicable to the Company's aggregate reserves under ownership or lease as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, and sales for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">:</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="22"></td></tr><tr><td style="width:18%;"></td><td style="width:5%;"></td><td style="width:1%;"></td><td style="width:5%;"></td><td style="width:1%;"></td><td style="width:4%;"></td><td style="width:5%;"></td><td style="width:1%;"></td><td style="width:5%;"></td><td style="width:1%;"></td><td style="width:4%;"></td><td style="width:5%;"></td><td style="width:1%;"></td><td style="width:6%;"></td><td style="width:1%;"></td><td style="width:6%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:9%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="4" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Number of Sites</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Crushed Stone)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="4" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Number of Sites</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Sand &amp; Gravel)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Tons Sold (000's)</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Estimated Reserves</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(000's tons)</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Lease Expiration</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Reserve</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Life</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(years)</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Production Area</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">owned</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">leased</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">owned</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">leased</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Anchorage, AK</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,425</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,343</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,837</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">14,548</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">N/A</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Hawaii</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,614</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,901</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,892</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">50,659</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018-2064</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">28</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Northern CA</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,785</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,604</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,580</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">43,812</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">26</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Southern CA</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">55</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">224</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">118</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">91,567</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2035</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Over 100</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Portland, OR</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">4,694</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4,044</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,562</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">213,018</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2025-2057</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">52</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Eugene, OR</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">633</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">662</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">819</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">153,975</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2021-2049</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Over 100</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Central OR/WA/ID</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2,160</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,685</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,493</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">86,307</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2020-2087</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">49</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Southwest OR</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">10</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2,367</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2,689</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,872</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">100,875</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2019-2053</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">44</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Central MT</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,065</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,135</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,383</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">28,294</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2023-2027</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">24</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Northwest MT</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">8</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,745</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,514</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,423</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">64,451</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2020</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">41</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Wyoming</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">613</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">742</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">888</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">10,092</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2019-2020</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">13</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Central MN</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">33</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">8</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2,773</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2,831</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2,556</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">50,092</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018-2028</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">18</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Northern MN</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">14</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">270</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">537</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">595</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">23,248</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018-2021</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">50</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">ND/SD</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">17</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,100</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,643</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,959</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">24,389</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2019-2028</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">16</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Texas</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,192</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,243</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,138</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">9,709</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2022-2029</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Sales from other sources</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">4,722</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,783</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,844</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">28,213</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">27,580</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">26,959</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">965,036</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">965&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> tons of estimated aggregate reserves at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, are comprised of 457&#160;million tons that are owned and 508&#160;million tons that are leased. Approximately 45&#160;percent of the tons under lease have lease expiration dates of 20&#160;years or more. The weighted average years remaining on all leases containing estimated probable aggregate reserves is approximately 23&#160;years, including options for renewal that are at Knife River's discretion. Based on a three-year average of sales from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> through </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of leased reserves, the average time necessary to produce remaining aggregate reserves from such leases is approximately 47&#160;years. Some sites have leases that expire prior to the exhaustion of the estimated reserves. The estimated reserve life assumes, based on Knife River's experience, that leases will be renewed to allow sufficient time to fully recover these reserves.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The changes in Knife River's aggregate reserves for the years ended December&#160;31 were as follows:</span></div><div style="line-height:140%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:534px;border-collapse:collapse;text-align:left;"><tr><td colspan="7"></td></tr><tr><td style="width:266px;"></td><td style="width:86px;"></td><td style="width:3px;"></td><td style="width:86px;"></td><td style="width:3px;"></td><td style="width:86px;"></td><td style="width:3px;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(000's of tons)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Aggregate reserves:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Beginning of year</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">989,084</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,022,513</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,061,156</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Acquisitions</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2,726</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">24,993</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">7,406</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Sales volumes*</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(23,491</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(23,797</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(23,115</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other**</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(3,283</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(34,625</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(22,934</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">End of year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">965,036</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">989,084</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,022,513</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:6px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Excludes sales from other sources.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">**</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Includes property sales, revisions of previous estimates and expiring leases.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:535px;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:534px;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Environmental Matters</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Knife River's construction materials and contracting operations are subject to regulation customary for such operations, including federal, state and local environmental compliance and reclamation regulations. Except as to the issues described later, Knife River believes it is in substantial compliance with these regulations. Individual permits applicable to Knife River's various operations are managed largely by local operations, particularly as they relate to application, modification, renewal, compliance and reporting procedures.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Knife River's asphalt and ready-mixed concrete manufacturing plants and aggregate processing plants are subject to the Clean Air Act and the Clean Water Act requirements for controlling air emissions and water discharges. Some mining and construction activities also are subject to these laws. In most of the states where Knife River operates, these regulatory programs have been delegated to state and local regulatory authorities. Knife River's facilities also are subject to the RCRA as it applies to the management of hazardous wastes and </span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">17</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">underground storage tank systems. These programs also have generally been delegated to the state and local authorities in the states where Knife River operates. Knife River's facilities must comply with requirements for managing wastes and underground storage tank systems.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Some Knife River activities are directly regulated by federal agencies. For example, certain in-water mining operations are subject to provisions of the Clean Water Act that are administered by the Army Corps. Knife River operates several such operations, including gravel bar skimming and dredging operations, and Knife River has the associated permits as required. The expiration dates of these permits vary, with five years generally being the longest term.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Knife River's operations also are occasionally subject to the ESA. For example, land use regulations often require environmental studies, including wildlife studies, before a permit may be granted for a new or expanded mining facility or an asphalt or concrete plant. If endangered species or their habitats are identified, ESA requirements for protection, mitigation or avoidance apply. Endangered species protection requirements are usually included as part of land use permit conditions. Typical conditions include avoidance, setbacks, restrictions on operations during certain times of the breeding or rearing season, and construction or purchase of mitigation habitat. Knife River's operations also are subject to state and federal cultural resources protection laws when new areas are disturbed for mining operations or processing plants. Land use permit applications generally require that areas proposed for mining or other surface disturbances be surveyed for cultural resources. If any are identified, they must be protected or managed in accordance with regulatory agency requirements.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The most comprehensive environmental permit requirements are usually associated with new mining operations, although requirements vary widely from state to state and even within states. In some areas, land use regulations and associated permitting requirements are minimal. However, some states and local jurisdictions have very demanding requirements for permitting new mines. Environmental impact reports are sometimes required before a mining permit application can be considered for approval. These reports can take up to several years to complete. The report can include projected impacts of the proposed project on air and water quality, wildlife, noise levels, traffic, scenic vistas and other environmental factors. The reports generally include suggested actions to mitigate the projected adverse impacts.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Provisions for public hearings and public comments are usually included in land use permit application review procedures in the counties where Knife River operates. After taking into account environmental, mine plan and reclamation information provided by the permittee as well as comments from the public and other regulatory agencies, the local authority approves or denies the permit application. Denial is rare, but land use permits often include conditions that must be addressed by the permittee. Conditions may include property line setbacks, reclamation requirements, environmental monitoring and reporting, operating hour restrictions, financial guarantees for reclamation, and other requirements intended to protect the environment or address concerns submitted by the public or other regulatory agencies.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Knife River has been successful in obtaining mining and other land use permit approvals so sufficient permitted reserves are available to support its operations. For mining operations, this often requires considerable advanced planning to ensure sufficient time is available to complete the permitting process before the newly permitted aggregate reserve is needed to support Knife River's operations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Knife River's Gascoyne surface coal mine last produced coal in 1995 but continues to be subject to reclamation requirements of the Surface Mining Control and Reclamation Act, as well as the North Dakota Surface Mining Act. Portions of the Gascoyne Mine remain under reclamation bond until the 10-year revegetation liability period has expired. A portion of the original permit has been released from bond and additional areas are currently in the process of having the bond released. Knife River's intention is to request bond release as soon as it is deemed possible.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Knife River did not incur any material environmental expenditures in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and, except as to what may be ultimately determined with regard to the issues described in the following paragraph, Knife River does not expect to incur any material expenditures related to environmental compliance with current laws and regulations through </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2020</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In December&#160;2000, Knife River - Northwest was named by the EPA as a PRP in connection with the cleanup of a commercial property site, acquired by Knife River - Northwest in 1999, and part of the Portland, Oregon, Harbor Superfund Site. For more information, see Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">17</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Mine Safety</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Dodd-Frank Act requires disclosure of certain mine safety information. For more information, see Item&#160;4 - Mine Safety Disclosures.</span></div><div><a id="sD0477D8D18CE525F928704B50B6B67BA"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Construction Services</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">General </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">MDU Construction Services </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">provides inside and outside specialty contracting services. Its outside services include design, construction and maintenance of overhead and underground electrical distribution and transmission lines, substations, external lighting, traffic signalization, and gas pipelines, as well as utility excavation and the manufacture and distribution of transmission line construction equipment. Its inside services include design, construction and maintenance of electrical and communication wiring and infrastructure, fire suppression systems, and mechanical piping and services. This business also designs, constructs and maintains renewable energy projects. </span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">18</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">These specialty contracting services are provided to utilities and large manufacturing, commercial, industrial, institutional and government customers. </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Construction and maintenance crews are active year round. However, activity in certain locations may be seasonal in nature due to the effects of weather.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">MDU Construction Services operates a fleet of owned and leased trucks and trailers, support vehicles and specialty construction equipment, such as backhoes, excavators, trenchers, generators, boring machines and cranes. In addition, as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, MDU Construction Services owned or leased facilities in 17&#160;states. This space is used for offices, equipment yards, manufacturing, warehousing, storage and vehicle shops. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">MDU Construction Services&#8217; backlog at December 31 was as follows:</span></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:419px;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:162px;"></td><td style="width:8px;"></td><td style="width:74px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:72px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:73px;"></td><td style="width:3px;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In millions)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Inside specialty contracting</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;">625</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">435</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">408</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Outside specialty contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;">83</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">40</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">85</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;">708</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">475</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">493</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The increase in backlog at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, compared to backlog at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, was primarily attributable to an increase in projects from all revenue streams based on customer demand. Backlog increases with awards of new contracts and decreases as work is performed on existing contracts. MDU Construction Services expects to complete a significant amount of the backlog at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, during the next 12 months. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">MDU Construction Services&#8217; backlog is comprised of the anticipated revenues from the uncompleted portion of services to be performed under job-specific contracts. A project is included in backlog when a contract is awarded and agreement on contract terms has been reached. However, backlog does not contain contracts for time and material projects that a fixed amount cannot be determined. Backlog is comprised of: (a) original contract amounts, (b) change orders for which customers have approved, (c) pending change orders expected to receive confirmation in the ordinary course of business and (d) claim amounts that have been made against customers for which are determined to have a legal basis under existing contractual arrangements and as to which recovery is considered to be probable. Such claim amounts were immaterial for all periods presented. Backlog may be subject to delay, default or cancellation at the election of the customers. Historically, cancellations have not had a material adverse effect on backlog. Due to the nature of its contractual arrangements, in many instances MDU Construction Services' customers are not committed to the specific volumes of services to be purchased under a contract, but rather MDU Construction Services is committed to perform these services if and to the extent requested by the customer. Therefore, there can be no assurance as to the customers' requirements during a particular period or that such estimates at any point in time are predictive of future revenues. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">MDU Construction Services works with the National Electrical Contractors Association, the IBEW and other trade associations on hiring and recruiting a qualified workforce.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Competition</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">MDU Construction Services operates in a highly competitive business environment. Most of MDU Construction Services' work is obtained on the basis of competitive bids or by negotiation of either cost-plus or fixed-price contracts. The workforce and equipment are highly mobile, providing greater flexibility in the size and location of MDU Construction Services' market area. Competition is based primarily on price and reputation for quality, safety and reliability. The size and location of the services provided, as well as the state of the economy, will be factors in the number of competitors that MDU Construction Services will encounter on any particular project. MDU Construction Services believes that the diversification of the services it provides, the markets it serves throughout the United States and the management of its workforce will enable it to effectively operate in this competitive environment.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Utilities and independent contractors represent the largest customer base for this segment. Accordingly, utility and subcontract work accounts for a significant portion of the work performed by MDU Construction Services and the amount of construction contracts is dependent to a certain extent on the level and timing of maintenance and construction programs undertaken by customers. MDU Construction Services relies on repeat customers and strives to maintain successful long-term relationships with these customers.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Environmental Matters</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> MDU Construction Services' operations are subject to regulation customary for the industry, including federal, state and local environmental compliance. MDU Construction Services believes it is in substantial compliance with these regulations.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">19</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The nature of MDU Construction Services' operations is such that few, if any, environmental permits are required. Operational convenience supports the use of petroleum storage tanks in several locations, which are permitted under state programs authorized by the EPA. MDU Construction Services has no ongoing remediation related to releases from petroleum storage tanks. MDU Construction Services' operations are conditionally exempt small-quantity waste generators, subject to minimal regulation under the RCRA. Federal permits for specific construction and maintenance jobs that may require these permits are typically obtained by the hiring entity, and not by MDU Construction Services.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">MDU Construction Services did not incur any material environmental expenditures in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and does not expect to incur any material capital expenditures related to environmental compliance with current laws and regulations through </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2020</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For information regarding construction services litigation, see Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">17</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div><a id="s1B55BC8C7DB254FDB6D0B4638DD4567A"></a></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Item 1A.&#160;Risk Factors</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's business and financial results are subject to a number of risks and uncertainties, including those set forth below and in other documents that it files with the SEC. The factors and the other matters discussed herein are important factors that could cause actual results or outcomes for the Company to differ materially from those discussed in the forward-looking statements included elsewhere in this document. If any of the risks described below actually occur, the Company's business, prospects, financial condition or financial results could be materially harmed.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Economic Risks</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">The Company is subject to government regulations that may delay and/or have a negative impact on its business and its results of operations and cash flows. Statutory and regulatory requirements also may limit another party's ability to acquire the Company or impose conditions on an acquisition of or by the Company.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's electric and natural gas transmission and distribution businesses are subject to comprehensive regulation by federal, state and local regulatory agencies with respect to, among other things, allowed rates of return and recovery of investment and cost, financing, rate structures, health care coverage and cost, income taxes, property and other taxes, franchises; recovery of purchased power and purchased natural gas costs; and siting of generation and transmission facilities. These governmental regulations significantly influence the Company's operating environment and may affect its ability to recover costs from its customers. The Company is unable to predict the impact on operating results from the future regulatory activities of any of these agencies. Changes in regulations or the imposition of additional regulations could have an adverse impact on the Company's results of operations and cash flows. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">There can be no assurance that applicable regulatory commissions will determine all the costs of the Company's electric and natural gas transmission and distribution businesses to have been prudent, which could result in disallowance of costs. Also, the regulatory process for approval of rates for these businesses may not result in full recovery of the costs of providing services. Changes in regulatory requirements or operating conditions may require early retirement of certain assets. While regulation typically provides relief for these types of retirements, there is no assurance the regulators will allow full recovery of all remaining costs leaving stranded asset costs. Rising fuel costs could increase the risk that the utility businesses will not be able to fully recover those fuel costs from their customers.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Approval from a number of federal and state regulatory agencies would need to be obtained by any potential acquirer of the Company as well as for acquisitions by the Company. The approval process could be lengthy and the outcome uncertain, which may defer potential acquirers from approaching the Company or impact the Company's ability to pursue otherwise attractive acquisitions.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Economic volatility affects the Company's operations, as well as the demand for its products and services.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Unfavorable economic conditions can negatively affect the level of public and private expenditures on projects and the timing of these projects which, in turn, can negatively affect the demand for the Company's products and services, primarily at the Company's construction businesses. The level of demand for construction products and services could be adversely impacted by the economic conditions in the industries the Company serves, as well as in the economy in general. State and federal budget issues affect the funding available for infrastructure spending. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The ability of the Company's electric and natural gas distribution businesses to grow in service territory, customer base and usage demand is affected by the economic environments and population growth of the markets served. This economic volatility could have a material adverse effect on the Company's results of operations, cash flows and asset values. Further, any material decreases in energy demand by customers, for economic or other reasons, could have a material adverse impact on the Company's earnings and results of operations.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">20</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">The Company's operations involve risks that may result from catastrophic events.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's operations include a variety of inherent hazards and operating risks, such as product leaks, explosions, mechanical failures, vandalism, acts of terrorism and acts of war, which could result in loss of human life; personal injury; property damage; environmental pollution; impairment of operations; and substantial financial losses. The Company maintains insurance against some, but not all, of these risks and losses. The occurrence of these losses not fully covered by insurance could have a material effect on the Company&#8217;s financial position, results of operations and cash flows. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">The Company relies on financing sources and capital markets. Access to these markets may be adversely affected by factors beyond the Company's control. If the Company is unable to obtain cost effective financing in the future, the Company's ability to execute its business plans, make capital expenditures or pursue acquisitions that the Company may otherwise rely on for future growth could be impaired. As a result, the market value of the Company's common stock may be adversely affected. If the Company issues a substantial amount of common stock it could have a dilutive effect on its existing shareholders.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's operations, particularly its electric and natural gas transmission and distribution businesses, require significant capital investment. The Company relies on the issuance of long-term debt and equity securities as sources of liquidity for capital requirements not satisfied by its cash flow from operations. If the Company is not able to access capital at competitive rates, the ability to implement its business plans may be adversely affected. Market disruptions may increase the cost of borrowing or adversely affect its ability to access one or more financial markets. Such disruptions could include:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">A significant economic downturn</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The financial distress of unrelated industry leaders in the same line of business</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Deterioration in capital market conditions</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Turmoil in the financial services industry</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Volatility in commodity prices</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Terrorist attacks</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Cyberattacks</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The issuance of a substantial amount of the Company's common stock, whether issued in connection with an acquisition or otherwise, could have a dilutive effect on existing shareholders, or the perception that such an issuance could occur, may adversely affect the market price of the Company's common stock.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">The regulatory approval, permitting, construction, startup and/or operation of pipelines and power generation and transmission facilities may involve unanticipated events, delays and unrecoverable costs. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The construction, startup and operation of pipelines and power generation and transmission facilities involve many risks, which may include: delays; breakdown or failure of equipment; inability to obtain required governmental permits and approvals; inability to obtain or renew easements; public opposition; inability to complete financing; inability to negotiate acceptable equipment acquisition, construction, fuel supply, off-take, transmission, transportation or other material agreements; changes in markets and market prices for power; cost increases and overruns; the risk of performance below expected levels of output or efficiency; and the inability to obtain full cost recovery in regulated rates. Such unanticipated events could negatively impact the Company's business, its results of operations and cash flows.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Additionally, operating or other costs required to comply with current pipeline safety regulations and potential new regulations under various agencies could be significant. The regulations require verification of pipeline infrastructure records by pipeline owners and operators to confirm the maximum allowable operating pressure of certain lines. Increased emphasis on pipeline safety issues and increased regulatory scrutiny may result in penalties and higher costs of operations. If these costs are not fully recoverable from customers, they could have a material adverse effect on the Company&#8217;s results of operations and cash flows.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Financial market changes could impact the Company&#8217;s pension and post-retirement benefit plans and obligations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The global demand and price volatility for natural resources, interest rate changes, governmental budget constraints and threat of terrorism can create volatility in the financial markets. Changing financial market conditions could negatively affect the value of assets held in the Company's pension and other postretirement benefit plans and may increase the amount and accelerate the timing of required funding contributions for those plans as well liabilities and funding requirements for multiemployer plans to which the Company is a participating employer.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">21</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">The backlogs at the Company's construction materials and contracting and construction services businesses may not accurately represent future revenue.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Backlog consists of the uncompleted portion of services to be performed under job-specific contracts. Contracts are subject to delay, default or cancellation and the contracts in the Company's backlog are subject to changes in the scope of services to be provided as well as adjustments to the costs relating to the applicable contracts. Backlog may also be affected by project delays or cancellations resulting from weather conditions, external market factors and economic factors beyond the Company's control. Accordingly, there is no assurance that backlog will be realized. The timing of contract awards, duration of large new contracts and the mix of services can significantly affect backlog. Backlog at any given point in time may not accurately represent the revenue or net income that is realized in any period and the backlog as of the end of the year may not be indicative of the revenue and net income expected to be earned in the following year and should not be relied upon as a stand-alone indicator of future revenues or net income.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">The Company's pipeline and midstream business is dependent on factors, including commodity prices and commodity price basis differentials, that are subject to external influences.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Fluctuations in oil, NGL and natural gas production and prices; fluctuations in commodity price basis differentials; domestic and foreign supplies of oil, NGL and natural gas; political and economic conditions in oil producing countries; actions of the Organization of Petroleum Exporting Countries; and other external factors impact the development of natural gas supplies and the expansion and operation of natural gas pipeline systems. Prolonged depressed prices for oil, NGL and natural gas could negatively affect the growth, results of operations, cash flows and asset values of the Company's pipeline and midstream business.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Reductions in the Company's credit ratings could increase financing costs.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">There is no assurance that the Company's current credit ratings, or those of its subsidiaries, will remain in effect or that a rating will not be lowered or withdrawn by a rating agency. The Company's credit ratings may also change as a result of the differing methodologies or changes in the methodologies used by the rating agencies. A downgrade in credit ratings could lead to higher borrowing costs. A credit rating is not a recommendation to buy, sell or hold securities and is applicable only to the specific security to which it applies. Investors should make their own evaluation as to whether an investment in the security is appropriate. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Increasing costs associated with health care plans may adversely affect the Company's results of operations. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's self-insured costs of health care benefits for eligible employees continues to increase. Increasing levels of large individual health care claims and overall health care claims could have an adverse impact on operating results, financial position and liquidity. Legislation related to health care could also change the Company's benefit program and costs.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">The Company is exposed to risk of loss resulting from the nonpayment and/or nonperformance by the Company's customers and counterparties</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">If the Company's customers or counterparties experience financial difficulties, the Company could experience difficulty in collecting receivables. The nonpayment and/or nonperformance by the Company's customers and counterparties, particularly customers and counterparties of the Company&#8217;s construction materials and contracting and construction services businesses for large construction projects, could have a negative impact on the Company's results of operations and cash flows. The Company may also have indirect credit risk due to participation in energy markets such as MISO in which credit losses are socialized to all participants.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Changes in tax law may negatively affect the Company's business.</span></div><div style="line-height:140%;padding-bottom:10px;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December 22, 2017, President Trump signed into law the TCJA that significantly reforms the Internal Revenue Code of 1986, as amended. The TCJA, among other things, includes reductions to United States federal tax rates, repeals the domestic production deduction, disallows regulated utility property for immediate expensing, and modifies or repeals many other business deductions and credits. The changes to the Internal Revenue Code could materially impact the Company. Future guidance, regulations and interpretations clarifying items within the TCJA may be contrary to the Company&#8217;s current interpretation or regulatory actions and could have an adverse impact to the Company. The Company continues to examine the impact the TCJA may have on the Company in future periods. The TCJA's impact on the economy, including overall demand and competition for the products and services the Company provides and associated labor availability and costs, is unknown and there could be negative impacts to the Company. The Company's utility businesses' cash flows may be negatively impacted by the disallowance of immediate expensing of utility property. Other changes to federal and state tax laws have the ability to benefit or adversely affect the Company's earnings and customer costs. Significant changes to corporate tax rates could result in the impairment of deferred tax assets that are established based on existing law at the time of deferral. Changes to the value of various tax credits could change the economics of resources and the resource selection for the electric generation business. Regulation incorporates </span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">22</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-bottom:10px;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">changes in tax law into the rate setting process for the regulated energy delivery businesses and therefore could create timing delays before the impact of changes are realized.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Environmental and Regulatory Risks</span></div><div style="line-height:120%;padding-bottom:10px;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">The Company's operations could be adversely impacted by climate change.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Climate change may create physical and financial risks to the Company. Such risks could have an adverse effect on the Company's financial condition, results of operations and cash flows.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Utility customers&#8217; energy needs vary with weather conditions, primarily temperature and humidity. For residential customers, heating and cooling represent the largest energy use. To the extent weather conditions are affected by climate change, customers&#8217; energy use could increase or decrease. Increased energy use by its utility customers due to weather changes may require the Company to invest in additional generating assets, transmission and other infrastructure to serve increased load. Decreased energy use due to weather changes may result in decreased revenues. Extreme weather conditions in general require more system backup, adding to costs, and can contribute to increased system stress, including service interruptions. Weather conditions outside of the Company's service territory could also have an impact on revenues. The Company buys and sells electricity that might be generated outside its service territory depending upon system needs and market opportunities. Extreme weather conditions creating high energy demand may raise electricity prices, which would increase the cost of energy provided to customers.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Severe weather impacts the Company's utility service territories, primarily when thunderstorms, tornadoes and snow or ice storms occur. Severe weather events may damage or disrupt the Company's electric and natural gas transmission and distribution facilities, which could increase costs to repair damaged facilities and restore service to customers. The cost of providing service could increase to the extent the frequency of extreme weather events increases because of climate change or otherwise. The Company may not recover all costs related to mitigating these physical risks.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Severe weather may result in disruptions to the pipeline and midstream business's natural gas supply and transportation systems. These changes could result in increased maintenance and capital costs, disruption of service, regulatory actions and lower customer satisfaction.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Extreme weather conditions caused by climate change or otherwise may cause infrastructure construction projects to be delayed or canceled and limit resources available for such projects increasing the project costs at the construction materials and contracting and construction services businesses.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Climate change may impact a region&#8217;s economic health, which could impact revenues at all of the Company's businesses. The Company's financial performance is tied to the health of the regional economies served. The Company provides natural gas and electric utility service, as well as construction materials and services, for states and communities that are economically affected by the agriculture industry. Increases in severe weather events or significant changes in temperature and precipitation patterns could adversely affect the agriculture industry and correspondingly the economies of the states and communities affected by that industry.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The price of energy also has an impact on the economic health of communities. The cost of additional regulatory requirements to combat climate change, such as regulation of carbon dioxide emissions under the Clean Air Act, or other environmental regulation could impact the availability of goods and prices charged by suppliers which would normally be borne by consumers through higher prices for energy and purchased goods. To the extent financial markets view climate change and emissions of GHGs as a financial risk, this could negatively affect the Company's ability to access capital markets or cause less than ideal terms and conditions.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">The Company's operations are subject to environmental laws and regulations that may increase costs of operations, impact or limit business plans, or expose the Company to environmental liabilities.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company is subject to environmental laws and regulations affecting many aspects of its operations, regarding air and water quality, waste management and other environmental considerations. These laws and regulations can increase capital, operating and other costs, cause delays as a result of litigation and administrative proceedings, and create compliance, remediation, containment, monitoring and reporting obligations, particularly relating to electric generation and natural gas gathering, transmission and storage operations. These laws and regulations generally require the Company to obtain and comply with a variety of environmental licenses, permits, inspections and other approvals. Although the Company strives to comply with all applicable environmental laws and regulations, public and private entities and private individuals may interpret the Company's legal or regulatory requirements differently and seek injunctive relief or other remedies against the Company. The Company cannot predict the outcome, financial or operational, of any such litigation or administrative proceedings.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">23</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Existing environmental laws and regulations may be revised and new laws and regulations seeking to protect the environment may be adopted or become applicable to the Company. These laws and regulations could require the Company to limit the use or output of certain facilities, restrict the use of certain fuels, retire and replace certain facilities, install pollution controls, remediate environmental impacts, remove or reduce environmental hazards, or forego or limit the development of resources. Revised or new laws and regulations that increase compliance costs or restrict operations, particularly if costs are not fully recoverable from customers, could have a material adverse effect on the Company's results of operations and cash flows.</span></div><div style="line-height:140%;padding-bottom:10px;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On April&#160;17, 2015, the EPA published a rule, under the RCRA, for coal combustion residuals that regulates coal ash as a solid waste and not a hazardous waste. Site and groundwater analyses as required by the rule may identify the need to upgrade or close impoundments or the Company may need to install replacement ash management systems. The cost of replacement ash impoundments or landfills may be material. If these costs are not fully recoverable from customers, they could have a material adverse effect on the Company's results of operations and cash flows.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On August&#160;15, 2014, the EPA published a rule under Section&#160;316(b) of the Clean Water Act, establishing requirements for water intake structures at existing steam electric generating facilities. The purpose of the rule is to reduce impingement and entrainment of fish and other aquatic organisms at cooling water intake structures. The majority of the Company's electric generating facilities are either not subject to the rule or have completed studies that project compliance expenditures are not material. The Lewis &amp; Clark Station will complete a study that will be submitted to the Montana DEQ by July&#160;31, 2019, to be used in determining any required controls. It is unknown at this time what controls may be required at this facility or if compliance costs will be material. The installation schedule for any required controls would be established with the permitting agency after the study is completed.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Initiatives to reduce GHG emissions could adversely impact the Company's operations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Concern that GHG emissions are contributing to global climate change has led to international, federal and state legislative and regulatory proposals to reduce or mitigate the effects of GHG emissions. The Company&#8217;s primary GHG emission is carbon dioxide from fossil fuels combustion at Montana-Dakota's electric generating facilities, particularly its coal-fired facilities. Approximately 50 percent of Montana-Dakota's owned generating capacity and approximately 76&#160;percent of the electricity it generated in 2017 was from coal-fired facilities.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On October&#160;23, 2015, the EPA published the Clean Power Plan rule that requires existing fossil fuel-fired electric generating facilities to reduce carbon dioxide emissions. On February&#160;9, 2016, however, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">the United States Supreme Court granted an application for a stay of the Clean Power Plan pending disposition of the applicants' petition for review in the D.C. Circuit Court and disposition of the applicants' petition for a writ of certiorari if such a writ is sought. The EPA filed a motion with the D.C. Circuit Court on March 28, 2017, requesting the Clean Power Plan's case be held in abeyance. The D.C. Circuit Court granted the EPA&#8217;s motion to hold the case in abeyance for 60 days. On August 8, 2017, the D.C. Circuit Court issued an order holding the case in abeyance for an additional 60-day period and directed the EPA to file status reports at 30-day intervals. In parallel, the EPA published a proposal on October 16, 2017, to repeal the Clean Power Plan in its entirety and followed with an advance notice of proposed rulemaking published in the Federal Register on December 28, 2017, requesting comment on replacing the Clean Power Plan through new rulemaking.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Compliance costs will become clearer as the EPA completes new rulemaking.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On January&#160;14, 2015, the federal government of the United States announced a goal to reduce methane emissions from the oil and natural gas industry by 40&#160;percent to 45&#160;percent below 2012 levels by 2025. On June 3, 2016, the EPA published a rule updating new source performance standards for the oil and natural gas industry. The rule builds on 2012 requirements to reduce volatile organic compound emissions from oil and natural gas sources by establishing requirements to reduce methane emissions from previously regulated sources, as well as adding volatile organic compound and methane requirements for sources previously not covered by the rule. The rule impacts new and modified natural gas gathering and boosting stations and transmission and storage compressor stations. WBI Energy is currently complying with the rules impacting new and modified sources. In addition, on March&#160;10, 2016, the EPA announced plans to reduce emissions from the oil and natural gas industry by moving to regulate emissions from existing sources. On November&#160;10, 2016, the EPA issued an Information Collection Request to oil and gas facility operators, including WBI Energy, to begin the process of existing source rule development. On March&#160;7, 2017, the EPA published notice of withdrawal of the Information Collection Request.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On September 15, 2016, the Washington DOE issued a Clean Air rule that requires carbon dioxide emission reductions from various industries in the state, including emissions from the combustion of natural gas supplied to end-use customers by natural gas distribution companies, such as Cascade. In 2017, the rule requires Cascade to hold carbon dioxide emissions to a baseline, equal to the average emissions in 2012 to 2016. Beginning in 2018, annual carbon dioxide emissions are reduced by an additional 1.7 percent of the baseline from the previous year's emissions. Compliance for natural gas suppliers is to be achieved through purchasing emissions credits from projects located within the state of Washington and, to a limited and declining extent, out-of-state allowances. Purchasing emissions credits and allowances will increase operating costs for Cascade. If Cascade is not able to receive timely and full recovery of compliance costs from its customers, such costs could adversely impact the results of its operations. On September 27, 2016 and September&#160;30, 2016, Cascade </span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">24</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">and three other natural gas distribution utility companies jointly filed complaints in the United States District Court for the Eastern District of Washington and the Thurston County Superior Court, respectively, asking the courts to deem the rule invalid. The companies asserted that the Washington DOE undertook this rulemaking without the requisite statutory authority. On December 15, 2017, the Thurston County Superior Court vacated the Clean Air rule holding that it is invalid due to a lack of legislative approval to adopt the rule. The ruling may still be appealed by the Washington DOE or interveners. Litigation in the United States District Court for the Eastern District of Washington remains in abeyance pending evaluation of the recent ruling in the Thurston County Superior Court.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Additional treaties, legislation or regulations to reduce GHG emissions may be adopted that affect the Company's utility operations by requiring additional energy conservation efforts or renewable energy sources, as well as other mandates that could significantly increase capital expenditures and operating costs or reduce demand for the Company's utility services. If the Company&#8217;s utility operations do not receive timely and full recovery of GHG emission compliance costs from customers, then such costs could adversely impact the results of its operations and cash flows.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company monitors, analyzes and reports GHG emissions from its other operations as required by applicable laws and regulations. The Company will continue to monitor GHG regulations and their potential impact on operations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Due to the uncertain availability of technologies to control GHG emissions and the unknown obligations that potential GHG emission legislation or regulations may create, the Company cannot determine the potential financial impact on its operations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Other Risks</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">The Company's various businesses are seasonal and subject to weather conditions that can adversely affect the Company's operations, revenues and cash flows.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's results of operations can be affected by changes in the weather. Weather conditions influence the demand for electricity and natural gas and affect the price of energy commodities. Utility operations have historically generated lower revenues when weather conditions are cooler than normal in the summer and warmer than normal in the winter particularly in jurisdictions that do not have decoupling mechanisms in place. Where decoupling mechanism are in place, there is no assurance the Company will continue to receive such regulatory protection from adverse weather in future rates. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Adverse weather conditions, such as heavy or sustained rainfall or snowfall, storms, wind, and colder weather may affect the demand for products and the ability to perform services at the construction businesses and affect ongoing operation and maintenance and construction activities for the electric and natural gas transmission and distribution businesses. In addition, severe weather can be destructive, causing outages, and/or property damage, which could require additional costs to be incurred. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">As a result, adverse weather conditions could negatively affect the Company's results of operations, financial position and cash flows.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Competition exists in all of the Company's businesses.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's businesses are subject to competition. Construction services' competition is based primarily on price and reputation for quality, safety and reliability. Construction materials products are marketed under highly competitive conditions and are subject to such competitive forces as price, service, delivery time and proximity to the customer. The electric utility and natural gas industries also experience competitive pressures as a result of consumer demands, technological advances and other factors. The pipeline and midstream business competes with several pipelines for access to natural gas supplies and for gathering, transportation and storage business. Competition could negatively affect the Company's results of operations, financial position and cash flows.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">The Company's inability to obtain, develop and retain key personnel and skilled labor forces may have a negative effect on the Company's operations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company must attract, develop and retain executive officers and other professional, technical and skilled labor forces with the skills and experience necessary to successfully manage, operate and grow the Company's businesses. Competition for these employees is high, and in some cases competition for these employees is on a regional or national basis. A shortage in the supply of these skilled personnel creates competitive hiring markets and increased labor expenses, decreased productivity and potentially lost business opportunities. Additionally, if the Company is unable to hire employees with the requisite skills, the Company may also be forced to incur significant training expenses. As a result, the Company's ability to maintain productivity, relationships with customers, competitive costs, and quality services is limited by the ability to employ the necessary skilled personnel and could negatively affect the Company's results of operations, financial position and cash flows.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">25</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">The Company's construction materials and contracting and construction services businesses may be exposed to warranty claims.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company, particularly its construction businesses, may provide warranties guaranteeing the work performed against defects in workmanship and material. If warranty claims occur, they may require the Company to re-perform the services or to repair or replace the warranted item, at a cost to the Company, and could also result in other damages if the Company is not able to adequately satisfy warranty obligations. In addition, the Company may be required under contractual arrangements with customers to warrant any defects or failures in materials the Company purchased from third parties. While the Company generally requires suppliers to provide warranties that are consistent with those the Company provides to customers, if any of the suppliers default on their warranty obligations to the Company, the Company may nonetheless incur costs to repair or replace the defective materials. Costs incurred as a result of warranty claims could adversely affect the Company's results of operations, financial condition and cash flows.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">The Company could be subject to limitations on its ability to pay dividends.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company depends on earnings from its divisions and dividends from its subsidiaries to pay dividends on its common stock. Regulatory, contractual and legal limitations, as well as capital requirements and the Company's financial performance or cash flows, could restrict or influence the Company's ability or decision to pay dividends on its common stock and adversely affect the Company's stock price.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Costs related to obligations under MEPPs could have a material negative effect on the Company's results of operations and cash flows.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Various operating subsidiaries of the Company participate in approximately 75&#160;MEPPs for employees represented by certain unions. The Company is required to make contributions to these plans in amounts established under numerous collective bargaining agreements between the operating subsidiaries and those unions.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company may be obligated to increase its contributions to underfunded plans that are classified as being in endangered, seriously endangered or critical status as defined by the Pension Protection Act of 2006. Plans classified as being in one of these statuses are required to adopt RPs or FIPs to improve their funded status through increased contributions, reduced benefits or a combination of the two. Based on available information, the Company believes that approximately 35&#160;percent of the MEPPs to which it contributes are currently in endangered, seriously endangered or critical status.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company may also be required to increase its contributions to MEPPs if the other participating employers in such plans withdraw from the plans and are not able to contribute amounts sufficient to fund the unfunded liabilities associated with their participation in the plans. The amount and timing of any increase in the Company's required contributions to MEPPs may also depend upon one or more factors including the outcome of collective bargaining, actions taken by trustees who manage the plans, actions taken by the plans' other participating employers, the industry for which contributions are made, future determinations that additional plans reach endangered, seriously endangered or critical status, government regulations and the actual return on assets held in the plans, among others. The Company may experience increased operating expenses as a result of the required contributions to MEPPs, which may have a material adverse effect on the Company's results of operations, financial position or cash flows.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In addition, pursuant to ERISA, as amended by MPPAA, the Company could incur a partial or complete withdrawal liability upon withdrawing from a plan, exiting a market in which it does business with a union workforce or upon termination of a plan to the extent these plans are underfunded. The Company could also incur additional withdrawal liability if its withdrawal from a plan is determined by that plan to be part of a mass withdrawal.</span></div><div style="line-height:120%;padding-bottom:10px;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Information technology disruptions or cyberattacks could adversely impact the Company's operations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's operations require uninterrupted operation of information technology systems and network infrastructure. 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If the Company&#8217;s operations were disrupted, it could result in decreased revenues or significant remediation costs that have a material adverse effect on the Company's results of operations and cash flows. Additionally, because electric generation and transmission systems and natural gas pipelines are part of interconnected systems with other operators&#8217; facilities, a cyber-related disruption in another operator&#8217;s system could negatively impact the Company's business.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">26</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part I</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company, through the ordinary course of business, requires access to sensitive customer, employee and Company data. While the Company has implemented extensive security measures, a breach of its systems could compromise sensitive data. Such an event could result in negative publicity and reputational harm, remediation costs, legal claims and fines that could have an adverse effect on the Company's financial results. Third-party service providers that perform critical business functions for the Company or have access to sensitive information within the Company also may be vulnerable to security breaches and information technology risks that could have an adverse effect on the Company.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">The Company may be subject to potential material liabilities relating to the past sale of assets or businesses, primarily arising from events prior to sale.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company previously sold its oil and natural gas assets and its membership interests in Dakota Prairie Refining. The Company may be subject to potential liabilities, either directly or through indemnification of the buyers or others, relating to these transactions or other sales, primarily arising from events prior to the sale, or from breaches of any representations, warranties or covenants in the purchase and sale agreements.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Other factors that could impact the Company's businesses.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following are other factors that should be considered for a better understanding of the risks to the Company. 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Market for the Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's common stock is listed on the New York Stock Exchange under the symbol "MDU." The price range of the Company's common stock as reported by the New York Stock Exchange during </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and dividends declared thereon were as follows:</span></div><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:515px;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:248px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Common</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Stock Price</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(High)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Common</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Stock Price</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Low)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Common Stock Dividends</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Declared</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Per Share</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;text-decoration:underline;">2017</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">First quarter</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$29.74</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$25.83</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$.1925</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Second quarter</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">27.89</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">25.58</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">.1925</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Third quarter</span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">27.73</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">25.14</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">.1925</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Fourth quarter</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">28.22</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">25.89</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">.1975</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$.7750</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;text-decoration:underline;">2016</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">First quarter</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$19.55</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$15.57</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$.1875</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Second quarter</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">24.01</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">18.70</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.1875</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Third quarter</span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">25.79</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">22.47</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.1875</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Fourth quarter</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">29.92</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">24.49</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.1925</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$.7550</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">As of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company's common stock was held by approximately 11,703&#160;stockholders of record.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company depends on earnings from its divisions and dividends from its subsidiaries to pay dividends on common stock. The declaration and payment of dividends is at the sole discretion of the board of directors, subject to limitations imposed by the Company's credit agreements, federal and state laws, and applicable regulatory limitations. For more information on factors that may limit the Company's ability to pay dividends, see Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">9</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following table includes information with respect to the Company's purchase of equity securities:</span></div><div style="line-height:140%;padding-top:8px;text-align:center;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">ISSUER PURCHASES OF EQUITY SECURITIES</span></div><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"></td></tr><tr><td style="width:35%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:18%;"></td><td style="width:1%;"></td><td style="width:19%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Period</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">(a)</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">Total Number</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">of Shares</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">(or Units)</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">Purchased (1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">(b)&#160;</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">Average Price Paid per Share</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">(or Unit)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">(c)</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">Total Number of Shares</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">(or Units) Purchased</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">as Part of Publicly</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">Announced Plans</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">or Programs (2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">(d)</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">Maximum Number (or</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">Approximate Dollar </span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">Value) of Shares (or </span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">Units) that May Yet Be</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">Purchased Under the</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;text-align:right;">Plans or Programs (2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">October&#160;1 through October&#160;31, 2017</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">November&#160;1 through November&#160;30, 2017</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">38,121</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$26.88</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">December&#160;1 through December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2,451</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$27.70</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">40,572</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(1)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Represents shares of common stock purchased on the open market in connection with annual stock grants made to the Company's non-employee directors and for those directors who elected to receive additional shares of common stock in lieu of a portion of their cash retainer.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(2)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Not applicable. The Company does not currently have in place any publicly announced plans or programs to purchase equity securities.</span></div></td></tr></table><div style="line-height:120%;padding-bottom:14px;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">28</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s55187D6C54835F5B906E3F94A0686031"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;font-weight:bold;">Item&#160;6. Selected Financial Data</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="19"></td></tr><tr><td style="width:34%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2014</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2013</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2012</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Selected Financial Data</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues (000's):</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">342,805</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">322,356</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">280,615</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">277,874</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">257,260</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">236,895</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">848,388</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">766,115</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">817,419</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">921,986</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">851,945</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">754,848</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">122,213</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">141,602</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">154,904</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">157,292</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">144,568</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">142,610</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,812,529</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,874,270</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,904,282</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,765,330</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,712,137</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,617,425</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,367,602</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,073,272</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">926,427</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,119,529</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,039,839</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">938,558</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">7,874</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">8,643</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">9,191</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">9,364</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">9,620</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">10,370</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(58,060</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(57,430</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(78,786</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(136,302</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(95,201</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(74,595</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">4,443,351</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4,128,828</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4,014,052</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4,115,073</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,920,168</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,626,111</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income (loss) (000's):</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">82,153</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">68,497</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">57,955</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">61,331</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">54,274</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">49,852</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">84,878</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">65,014</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">53,810</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">65,633</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">78,829</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">67,579</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">36,924</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">43,374</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">29,988</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">46,713</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">20,896</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">49,139</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">143,716</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">178,719</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">146,026</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">86,462</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">93,629</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">57,864</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">81,590</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">53,705</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">43,376</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">82,309</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">85,246</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">66,531</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(549</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(189</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(8,438</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(5,366</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(4,384</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(5,325</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(2,942</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(9,900</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(7,176</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">428,712</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">409,120</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">319,775</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">327,182</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">321,314</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">285,640</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) on common stock (000's):</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">49,366</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">42,222</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">35,914</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">36,731</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">34,837</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">30,634</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">32,225</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">27,102</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">23,607</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">30,484</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">37,656</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">29,409</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">20,493</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">23,435</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">13,250</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">24,666</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">7,701</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">26,588</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">123,398</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">102,687</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">89,096</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">51,510</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">50,946</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">32,420</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">53,306</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">33,945</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">23,762</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">54,432</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">52,213</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">38,429</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(1,422</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(3,231</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(14,941</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(7,386</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(10,776</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(7,209</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">6,849</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6,251</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5,016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(6,095</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(4,307</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings on common stock before income (loss) from discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">284,215</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">232,411</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">175,704</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">184,342</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">168,270</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">150,271</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income (loss) from discontinued operations, net of tax*</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(3,783</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(300,354</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(834,080</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">109,311</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">109,615</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(151,710</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to noncontrolling interest</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(131,691</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(35,256</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(3,895</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(363</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">280,432</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">63,748</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(623,120</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">297,548</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">278,248</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(1,439</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share before discontinued operations - diluted</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1.45</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1.19</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.90</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.96</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.89</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.80</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(.02</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(.86</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(4.10</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.59</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.58</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(.81</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1.43</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.33</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(3.20</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1.55</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1.47</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(.01</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Common Stock Statistics</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average common shares outstanding&#160;-diluted (000's)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">195,687</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">195,618</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">194,986</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">192,587</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">189,693</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">188,826</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Dividends declared per common share</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">.7750</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.7550</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.7350</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.7150</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.6950</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.6750</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Book value per common share</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">12.44</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">11.78</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">12.83</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">16.66</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">15.01</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">13.95</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Market price per common share (year end)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">26.88</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">28.77</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">18.32</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">23.50</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">30.55</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">21.24</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Market price ratios:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Dividend payout**</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">53</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">63</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">82</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">74</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">78</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">84</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Yield</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2.9</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2.7</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.1</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3.1</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2.3</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3.2</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Market value as a percent of book value</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">216.1</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">244.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">142.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">141.1</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">203.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">152.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:6px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Reflects oil and natural gas properties noncash write-downs of </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">$315.3&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> (after tax) and $246.8&#160;million (after tax) in 2015 and 2012, respectively, and fair value impairments of assets held for sale of $157.8 million (after tax) and $475.4&#160;million (after tax) in 2016 and 2015, respectively.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">**</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Based on continuing operations.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">29</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Item 6. Selected Financial Data (continued)</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="19"></td></tr><tr><td style="width:34%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2014</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2013</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2012</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">General</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets (000's)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">6,334,666</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6,284,467</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6,565,154</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">7,805,405</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">7,043,365</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6,675,609</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total long-term debt (000's)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,714,853</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,790,159</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,796,163</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2,016,198</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,773,050</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,738,833</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Capitalization ratios:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total equity</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">59</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">56</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">58</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">62</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">62</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">60</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total debt</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">41</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">44</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">42</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">38</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">38</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">40</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">100</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">100</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">100</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">100</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">100</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">100</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Electric</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Retail sales (thousand kWh)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">3,306,470</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,258,537</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,316,017</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,308,358</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,173,086</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2,996,528</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric system summer and firm purchase contract ZRCs (Interconnected system)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">553.1</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">559.7</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">547.3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">584.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">583.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">552.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric system peak demand obligation, including firm purchase contracts, planning reserve margin requirement (Interconnected&#160;system)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">530.2</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">559.7</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">547.3</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">522.4</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">508.3</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">550.7</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">All-time demand peak - kW (Interconnected&#160;system)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">611,542</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">611,542</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">611,542</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">582,083</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">573,587</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">573,587</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electricity produced (thousand kWh)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2,630,640</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2,626,763</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,898,160</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2,519,938</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2,430,001</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2,299,686</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electricity purchased (thousand&#160;kWh)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">955,687</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">904,702</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,658,002</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,010,422</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">971,261</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">870,516</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Average cost of electric fuel and purchased power per kWh</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">.022</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.021</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.024</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.025</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.025</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.023</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Natural Gas Distribution </span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Sales (Mdk)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">112,551</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">99,296</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">95,559</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">104,297</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">108,260</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">93,810</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Transportation (Mdk)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">144,477</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">147,592</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">154,225</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">145,941</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">149,490</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">132,010</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Degree days (% of normal)</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Montana-Dakota/Great Plains</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">100</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">89</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">88</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">103</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">105</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">84</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cascade</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">107</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">87</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">83</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">89</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">98</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">96</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intermountain</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">111</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">96</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">89</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">95</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">110</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">91</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Pipeline and Midstream</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Transportation (Mdk)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">312,520</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">285,254</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">290,494</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">233,483</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">178,598</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">137,720</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Gathering (Mdk)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">16,064</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">20,049</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">33,441</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">38,372</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">40,737</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">47,084</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Customer natural gas storage balance (Mdk)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">22,397</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">26,403</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">16,600</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">14,885</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">26,693</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">43,731</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Construction Materials and Contracting</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Sales (000's):</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Aggregates (tons)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">28,213</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">27,580</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">26,959</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">25,827</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">24,713</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">23,285</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Asphalt (tons)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">6,237</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">7,203</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6,705</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6,070</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6,228</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5,988</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Ready-mixed concrete (cubic&#160;yards)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">3,548</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,655</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,592</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,460</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,223</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,157</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Aggregate reserves (000's tons)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">965,036</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">989,084</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,022,513</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,061,156</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,083,376</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,088,236</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">30</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s962E1C175FC759808C300D5C3F6912C1"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Item&#160;7. Management's Discussion and Analysis of Financial Condition and Results of Operations</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's strategy is to apply its expertise in the regulated energy delivery and construction materials and services businesses to increase market share, increase profitability and enhance shareholder value through organic growth opportunities and strategic acquisitions. The Company is focused on a disciplined approach to the acquisition of well-managed companies and properties. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company has capabilities to fund its growth and operations through various sources, including internally generated funds, commercial paper facilities, revolving credit facilities, and the issuance from time to time of debt and equity securities. For more information on the Company's capital expenditures, see Liquidity and Capital Commitments.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December 22, 2017, President Trump signed into law the TCJA making significant changes to the United States federal income tax laws. Some of the more material changes from the TCJA impacting the Company includes lower corporate tax rates, repealing the domestic production deduction, disallowance of immediate expensing for regulated utility property and modifying or repealing many other business deductions and credits. During the fourth quarter of 2017, the Company performed a one-time revaluation of the net deferred tax liabilities to account for the reduction in the corporate tax rate from 35&#160;percent to 21&#160;percent, as discussed in Item 8 - Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">11</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. The Company is currently reviewing the components of the TCJA and evaluating the impact on the Company for 2018 and thereafter. For information pertinent to the specific impacts or trends identified by the Company's business segments, see Business Segment Financial and Operating Data. </span></div><div><a id="sC6BC4E47527353E683015402B05B9FBC"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Consolidated Earnings Overview</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following table summarizes the contribution to consolidated earnings (loss) by each of the Company's business segments.</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:55%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Years ended December&#160;31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In millions, except per share amounts)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">49.4</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">42.2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">35.9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">32.2</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">27.1</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">23.6</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">20.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">23.4</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">13.3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">123.4</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">102.7</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">89.1</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">53.3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">33.9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">23.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(1.5</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(3.2</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(15.0</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">6.9</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings before discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">284.2</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">232.4</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">175.7</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(3.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(300.4</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(834.1</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to noncontrolling interest</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(131.7</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(35.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) on common stock</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">280.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">63.7</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(623.1</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - basic:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings before discontinued operations</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1.46</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1.19</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.90</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(.02</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(.86</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(4.10</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - basic</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1.44</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.33</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(3.20</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - diluted:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings before discontinued operations</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1.45</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1.19</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.90</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(.02</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(.86</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(4.10</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - diluted</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1.43</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.33</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(3.20</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2017</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> The Company recognized consolidated earnings of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$280.4&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in 2017, compared to consolidated earnings of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$63.7&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in 2016. This increase was the result of:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Discontinued operations which reflect the absence in 2017 of a loss associated with the sale of the refining business in June 2016</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">An income tax benefit of $39.5&#160;million primarily for the revaluation of the Company's net deferred tax liabilities, as discussed in Item 8 - Note </span><span style="font-family:Trade Gothic;font-size:8.5pt;color:#000000;">11</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher inside and outside specialty contracting margins at the construction services business</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher natural gas retail sales margins at the natural gas distribution business</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher electric retail sales margins at the electric business</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">These increases were partially offset by:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower asphalt product margins and lower construction margins at the construction materials and contracting business</span></div></td></tr></table><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">31</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower gathering and processing revenues at the pipeline and midstream business</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> The Company recognized consolidated earnings of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$63.7&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, compared to a consolidated loss of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$623.1&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. This increase was due to:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Discontinued operations which reflect the absence in 2016 of fair value impairments of the exploration and production business's assets of $475.4&#160;million (after tax) and a noncash write-down of oil and natural gas properties of $315.3&#160;million (after tax) offset in part by a fair value impairment of the refining business of $156.7&#160;million (after tax) in 2016</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher construction, asphalt product and aggregate margins at the construction materials and contracting business</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Other loss decreased primarily as the result of lower operation and maintenance and interest expense due to the sales of the exploration and production and refining businesses </span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher inside construction margins offset in part by lower outside construction margins, which includes lower equipment sales and rental margins, at the construction services business</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower impairment in 2016 at the pipeline and midstream business</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher electric retail sales margins offset in part by higher operation and maintenance expense and higher depreciation, depletion and amortization expense at the electric business</span></div></td></tr></table><div><a id="s8fe6e2b7639a4b91babb5d2e4b5a69c1"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="color:#000000;font-family:Trade Gothic,sans-serif;font-size:12pt;font-style:normal;font-weight:normal;text-decoration:none;">Business Segment Financial and Operating Data</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> </span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Following are key financial and operating data for each of the Company's business segments. Also included are highlights on key growth strategies, projections and certain assumptions for the Company and its subsidiaries and other matters of the Company's business segments. Many of these highlighted points are "forward-looking statements." There is no assurance that the Company's projections, including estimates for growth and changes in earnings, will in fact be achieved. Please refer to assumptions contained in this section, as well as the various important factors listed in Item&#160;1A - Risk Factors. Changes in such assumptions and factors could cause actual future results to differ materially from the Company's growth and earnings projections.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For information pertinent to various commitments and contingencies, see Item&#160;8 - Notes to Consolidated Financial Statements. For a summary of the Company's business segments, see Item 8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">13</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div><a id="s41EDF583C25E510B95D4F456D119C84E"></a></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="color:#000000;font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;font-weight:bold;">Electric and Natural Gas Distribution</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"> </span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;">Strategy and challenges</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;The electric and natural gas distribution segments provide electric and natural gas distribution services to customers, as discussed in Items 1 and 2 - Business Properties. Both segments strive to be a top performing utility company measured by integrity, safety, employees, customer service and shareholder performance, while continuing to focus on providing safe, reliable and competitively priced energy and related services to customers. The Company continues to monitor opportunities for these segments to retain, grow and expand their customer base through extensions of existing operations, including building and upgrading electric generation and transmission and natural gas systems, and through selected acquisitions of companies and properties at prices that will provide stable cash flows and an opportunity to earn a competitive return on investment. The continued efforts to create operational improvements and efficiencies across both segments promotes the Company's business integration strategy. The primary factors that impact the results of these segments are the ability to earn authorized rates of return, the cost of natural gas, cost of electric fuel and purchased power, competitive factors in the energy industry and economic conditions in the segments' service areas. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The electric and natural gas distribution segments are subject to extensive regulation in the jurisdictions where they conduct operations with respect to costs, timely recovery of investments and permitted returns on investment as well as certain operational, system integrity and environmental regulations. To assist in the reduction of regulatory lag with the increase in investments, tracking mechanisms have been implemented. Legislative and regulatory initiatives to increase renewable energy resources and reduce GHG emissions could impact the price and demand for electricity and natural gas and result in the retirement of certain electric generating facilities before they are fully depreciated. Although the current administration has slowed environmental regulations, the segments continue to invest in facility upgrades to be in compliance with the existing and future regulations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The ability to grow through acquisitions is subject to significant competition and acquisition premiums. In addition, the ability of the segments to grow their service territory and customer base is affected by the economic environment of the markets served and competition from other energy providers and fuels. The construction of any new electric generating facilities, transmission lines and other service facilities is subject to increasing cost and lead time, extensive permitting procedures, and federal and state legislative and regulatory initiatives, which will necessitate increases in electric energy prices. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Revenues are impacted by both customer growth and usage, the latter of which is primarily impacted by weather. Very cold winters increase demand for natural gas and to a lesser extent, electricity, while warmer than normal summers increase demand for electricity, especially among residential and commercial customers. Average consumption among natural gas customers has tended to decline as more efficient </span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">32</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">appliances and furnaces are installed, and as the Company has implemented conservation programs. Decoupling mechanisms in certain jurisdictions have been implemented to largely mitigate the effect that would otherwise be caused by variations in volumes sold to these customers due to weather and changing consumption patterns.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;">Earnings overview - electric </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following information summarizes the performance of the electric segment.</span></div><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:55%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December 31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Dollars in millions, where applicable)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">342.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">322.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">280.6</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operation and maintenance</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">120.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">115.2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">87.7</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric fuel and purchased power</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">78.7</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">75.5</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">86.2</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">47.7</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">50.2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">37.6</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes, other than income</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">14.3</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">12.9</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">11.1</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">260.7</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">253.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">222.6</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">82.1</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">68.5</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">58.0</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">49.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">42.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">35.9</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Retail sales (million kWh):</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Residential</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,153.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,132.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,173.9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,513.1</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,491.8</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,499.6</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Industrial</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">539.9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">544.2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">550.3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">100.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">90.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">92.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">3,306.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,258.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,316.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Average cost of electric fuel and purchased power per kWh</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">.022</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.021</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.024</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2017</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Electric earnings </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">increased</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$7.2&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">17</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent) compared to the prior year. The increase resulted from: </span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Increased electric retail sales margins from the recovery of additional investment in a MISO multivalue project, approved rate recovery in all jurisdictions and 2&#160;percent higher retail sales volumes to commercial and residential customers</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower depreciation, depletion and amortization expense of $1.5&#160;million (after tax) from lower depreciation rates implemented in conjunction with regulatory recovery activity</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Partially offsetting the </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">increase</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> were:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher operation and maintenance expense of $3.0&#160;million (after tax) largely from higher payroll-related costs, material costs and contract services</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Income tax expense of $2.1 million for the revaluation of nonutility net deferred tax assets, as discussed in Item&#160;8 - Note </span><span style="font-family:Trade Gothic;font-size:8.5pt;color:#000000;">11</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Electric earnings </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">increased</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$6.3&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (18&#160;percent) compared to the prior year due to:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Increased electric retail sales margins, largely due to approved final and interim rate increases reduced in part by decreased electric sales volumes of 2&#160;percent, largely from decreased residential customer volumes</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Favorable income tax changes, which includes $10.1&#160;million due to higher production tax credits</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Partially offsetting these increases were:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher operation and maintenance expense of $17.1&#160;million (after tax) primarily due to higher contract services and higher payroll-related costs</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher depreciation, depletion and amortization expense of $7.8&#160;million (after tax) due to increased property, plant and equipment balances</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower other income, which includes $7.1&#160;million (after tax) primarily related to AFUDC</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher interest expense, which includes $4.4 million (after tax) largely the result of higher long-term debt</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Certain of the higher operation and maintenance expense, higher depreciation, depletion and amortization expense and higher production tax credits in 2016, due to increased capital investments, are potentially recoverable and/or refundable through the rate recovery process. The previous table also reflects lower average cost of electric fuel and purchased power per kWh due to no electric fuel and purchased power costs associated with the Thunder Spirit Wind farm in 2016 as compared to 2015.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">33</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;">Earnings overview - natural gas distribution </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following information summarizes the performance of the natural gas distribution segment.</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:55%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December 31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Dollars in millions, where applicable)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">848.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">766.1</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">817.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operation and maintenance</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">163.7</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">158.1</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">153.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Purchased natural gas sold</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">479.9</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">431.5</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">499.0</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">69.4</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">65.4</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">64.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes, other than income</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">50.5</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">46.1</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">46.3</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">763.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">701.1</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">763.6</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">84.9</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">65.0</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">53.8</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">32.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">27.1</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">23.6</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Volumes (MMdk)</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Retail sales:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Residential</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">63.6</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">56.2</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">54.0</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">44.3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">38.9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">37.6</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Industrial</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">4.6</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">112.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">99.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">95.6</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Transportation sales:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Industrial</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">142.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">145.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">152.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">144.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">147.6</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">154.2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total throughput</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">257.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">246.9</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">249.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Degree days (% of normal)*</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Montana-Dakota/Great Plains</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">100</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">89</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">88</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cascade</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">107</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">87</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">83</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intermountain</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">111</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">96</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">89</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Average cost of natural gas, including transportation, per dk</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">4.26</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.35</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5.22</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Degree days are a measure of the daily temperature-related demand for energy for heating.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2017</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> The natural gas distribution business experienced an </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">increase</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in earnings of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$5.1&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">19</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent) compared to the prior year because of increased natural gas retail sales margins. The margin increase resulted from:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Increased retail sales volumes of 13&#160;percent across all customer classes from colder weather in all jurisdictions, offset in part by weather normalization in certain jurisdictions, and 2&#160;percent customer growth</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Approved final and interim rate increases</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Partially offsetting the increase were:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Income tax expense of $4.3&#160;million for the revaluation of nonutility net deferred tax assets, as discussed in Item&#160;8 - Note </span><span style="font-family:Trade Gothic;font-size:8.5pt;color:#000000;">11</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher operation and maintenance expense, which includes $3.7&#160;million (after tax) largely from higher payroll-related costs and material costs</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher depreciation, depletion and amortization expense of $2.4&#160;million (after tax) as a result of increased property, plant and equipment balances</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> The natural gas distribution business experienced an </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">increase</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in earnings of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$3.5&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (15&#160;percent) compared to the prior year from higher natural gas retail sales margins. The margin increase resulted from:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Increased retail sales volumes of 4&#160;percent to all customer classes from customer growth and colder weather in certain regions</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Approved final and interim rate increases</span></div></td></tr></table><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">34</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Partially offsetting the increase were higher operation and maintenance expense, which includes $4.6&#160;million (after tax) largely from higher payroll-related costs, and higher depreciation, depletion and amortization expense from increased property, plant and equipment balances.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The previous table also includes lower nonutility project costs reflected in operation and maintenance expense, as well as the pass-through of lower natural gas prices which are reflected in the decrease in both sales revenue and purchased natural gas sold in 2016.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;">Outlook</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company expects these segments will grow rate base by approximately 6&#160;percent annually over the next five years on a compound basis. This growth projection is on a much larger base, having grown rate base at a record pace of 12&#160;percent compounded annually over the past five-year period. Operations are spread across eight states where the Company expects customer growth to be higher than the national average. Customer growth is expected to grow by 1&#160;percent to 2&#160;percent per year. This customer growth, along with system upgrades and replacements needed to supply safe and reliable service, will require investments in new electric generation and transmission and natural gas systems. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company continues to be focused on the regulatory recovery of its investments. Since, January 1, 2017, these segments have implemented rate increases in Idaho, Minnesota, Montana, North Dakota, Oregon, Wyoming and before the FERC. The Company files for rate adjustments to seek recovery of operating costs and capital investments, as well as reasonable returns as allowed by regulators. The Company's most recent cases by jurisdiction are discussed in Item&#160;8 - Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">16</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">With the enactment of the TCJA, the state regulators in jurisdictions where the segments operate have requested companies submit plans for the estimated impact of the TCJA. As such, the segments are using the deferral method of accounting for the revaluation of its regulated deferred tax assets and liabilities. The impact of the revaluation of the segments' regulatory deferred tax assets and liabilities in the fourth quarter of 2017, the period of enactment, have been included in the Company's regulatory assets and liabilities, as discussed in Item&#160;8 -  Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. The Company does not anticipate the corporate tax rate reduction to increase earnings at the utility businesses. The Company anticipates the TCJA will negatively impact the segments' cash flows due to not being able to immediately expense utility property.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In December 2016, the Company signed a 25-year agreement to purchase power from the expansion of the Thunder Spirit Wind farm in southwest North Dakota. In November 2017, the NDPSC approved the advance determination of prudence for the purchase of the Thunder Spirit Wind farm expansion. The Company expects to soon have a purchase agreement in place and finalize the purchase when the construction is complete in late 2018. With the addition of the expansion, the Company's total wind farm generation capacity will be approximately 155 MW and increase the Company's electric generation portfolio to approximately 27&#160;percent renewables based on nameplate ratings. The Company's integrated resource plans in North Dakota and Montana include additional generation projects.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In June 2016, the Company, along with a partner, began construction on a 345-kilovolt transmission line from Ellendale, North Dakota, to Big Stone City, South Dakota. The estimated capital investment for this project is $130&#160;million to $150&#160;million. All necessary easements have been secured and the project is expected to be completed in 2019. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In 2018, the Company will begin the construction of a new 12-inch natural gas pipeline that will run approximately 21 miles from northeast Milnor, North Dakota, to southwest of Gwinner, North Dakota. The pipeline will serve, in part, a manufacturing facility in Gwinner and is expected to be in service by late 2018. The pipeline has the capacity to expand natural gas service to other key industries in the region.</span></div><div><a id="sB2DFA3B93970563EA91AD55A3563AE28"></a></div><div style="line-height:140%;padding-top:10px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Pipeline and Midstream</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;">Strategy and challenges</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;The pipeline and midstream segment provides natural gas transportation, gathering and underground storage services, as discussed in Items 1 and 2 - Business Properties. The segment focuses on utilizing its extensive expertise in the design, construction and operation of energy infrastructure and related services to increase market share and profitability through optimization of existing operations, organic growth, and investments in energy-related assets within or in close proximity to its current operating areas. The segment focuses on the continual safety and reliability of its systems, which entails building and maintaining safe natural gas pipelines and facilities. The segment continues to evaluate growth opportunities including the expansion of existing storage, gathering and transmission facilities; incremental pipeline projects which expand pipeline capacity; and expansion of energy-related services in the region leveraging on core competencies.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The segment is exposed to energy price volatility which is impacted by the fluctuations in pricing, production and basis differentials of the energy market's commodities. Legislative and regulatory initiatives to increase pipeline safety regulations and reduce methane emissions could also impact the price and demand for natural gas.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The pipeline and midstream segment is subject to extensive regulation including certain operational, system integrity and environmental regulations as well as various permit terms and operational compliance conditions. The segment is charged with the ongoing process of reviewing existing permits and easements as well as securing new permits and easements as necessary to meet current demand and future </span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">35</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">growth opportunities. Exposure to pipeline opposition groups could also cause negative impacts on the segment with increased costs and potential delays to project completion. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The segment focuses on the recruitment and retention of a skilled workforce to remain competitive and provide services to its customers. The industry in which it operates relies on a skilled workforce to construct energy infrastructure and operate existing infrastructure in a safe manner. A shortage of skilled personnel can create a competitive labor market which could increase costs incurred by the segment. Competition from other pipeline and midstream companies can also have a negative impact on the segment.</span></div><div style="line-height:140%;padding-top:10px;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;">Earnings overview - pipeline and midstream</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following information summarizes the performance of the pipeline and midstream segment.</span></div><div style="line-height:140%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:55%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December 31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Dollars in millions)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">122.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">141.6</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">154.9</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operation and maintenance</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">56.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">61.4</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">84.7</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">16.8</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">24.9</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">28.0</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes, other than income</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">12.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">11.9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">12.2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">85.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">98.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">124.9</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">36.9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">43.4</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">30.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">20.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">23.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">13.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Transportation volumes (MMdk)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">312.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">285.3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">290.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas gathering volumes (MMdk)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">16.1</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">20.0</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">33.4</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Customer natural gas storage balance (MMdk):</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Beginning of period</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">26.4</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">16.6</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">14.9</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net injection (withdrawal)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(4.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">9.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1.7</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;padding-left:6px;text-indent:0px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">End of period</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">22.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">26.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">16.6</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2017</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Pipeline and midstream earnings </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">decreased</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$2.9&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">13</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent) compared to the prior year largely resulting from lower gathering and processing revenues of $14.0&#160;million (after tax). The decrease in revenues resulted from lower volumes from the sale of the Pronghorn assets in January 2017, as discussed in Item&#160;8 - Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Also included in the decrease in earnings was income tax expense of $200,000 for the TCJA revaluation, as discussed in Item&#160;8 - Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">11</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Partially offsetting the decrease were:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower depreciation, depletion and amortization expense of $5.0&#160;million (after tax) resulting from the absence of the Pronghorn assets, as previously discussed</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower operation and maintenance expense, which includes $2.2&#160;million (after tax) primarily from the absence of Pronghorn, as previously discussed, as well as the absence in 2017 of a $1.4&#160;million (after tax) fair value impairment in 2016 associated with the Pronghorn sale</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower interest expense due to lower debt balances</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher transportation revenues of $1.0&#160;million largely resulting from increased off-system transportation volumes due to recently completed organic growth projects</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Pipeline and midstream earnings </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">increased</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$10.1&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (77&#160;percent) largely due to:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower operation and maintenance expense, which includes $13.6&#160;million (after tax) largely due to the absence in 2016 of impairments of natural gas gathering assets of $10.6&#160;million (after tax), as discussed in Item 8 - Notes </span><span style="font-family:Trade Gothic;font-size:8.5pt;color:#000000;">1</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic;font-size:8.5pt;color:#000000;">5</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, lower payroll-related costs and lower material costs partially offset by a fair value impairment in 2016 of $1.4&#160;million (after tax) associated with the sale of Pronghorn, as previously discussed</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower depreciation, depletion and amortization of $1.9&#160;million (after tax), largely due to the sale of certain non-strategic natural gas gathering assets in the fourth quarter of 2015</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher storage services earnings, primarily due to higher average interruptible storage balances</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower interest expense of $1.2&#160;million (after tax), primarily the result of lower debt interest rates and balances</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Partially offsetting the earnings </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">increase</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> was lower gathering and processing revenues of $8.0&#160;million (after tax) resulting from lower natural gas gathering volumes, primarily due to the sale of certain non-strategic natural gas gathering assets, as previously discussed, and lower oil gathering volumes, partially offset by higher oil gathering rates at Pronghorn.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">36</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;">Outlook</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company has continued to feel the effects of natural gas production at record levels which keeps downward pressure on natural gas prices in the near term. The Company continues to focus on growth and improving existing operations through organic projects in all areas in which it operates. The following describes recent growth projects.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's Valley Expansion project, a 38-mile pipeline that will deliver natural gas supply to eastern North Dakota and far western Minnesota, is expected to be complete in the fourth quarter of 2018. The project, which is designed to transport 40 million cubic feet of natural gas per day, is under the jurisdiction of the FERC. In February 2018, the Company received an order issuing a certificate of public convenience and necessity from the FERC. Construction is expected to begin as soon as the conditions of the certificate have been met, including the receipt of outstanding permits.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In June 2017, the Company announced plans to complete a Line Section 27 expansion project in the Bakken area of northwestern North Dakota. The project will include approximately 13 miles of new pipeline and associated facilities. The project, as designed, will increase capacity by over 200 million cubic feet per day and bring total capacity of the Line Section 27 to over 600 million cubic feet per day. The project is expected to be placed in service in the fall of 2018. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In 2017, the Company completed and placed into service the Charbonneau and Line Section 25 expansion projects, which include a new compression station as well as other compressor additions and enhancements at existing stations. The Company's revenues have been positively impacted by the increase in transportation volumes with these projects. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The impact of the TCJA on the pipeline and midstream industry is uncertain. With the enactment of the TCJA, the regulated pipeline is using the deferral method of accounting for the revaluation of its regulated deferred tax assets and liabilities. The impact of the revaluation of the regulated pipeline's regulatory deferred tax assets and liabilities in the fourth quarter of 2017, the period of enactment, have been included in the Company's regulatory assets and liabilities, as discussed in Item&#160;8 - Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. </span></div><div><a id="sDF81E1824EBD56A3B02D37913D973546"></a></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Construction Materials and Contracting</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;">Strategy and challenges</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The construction materials and contracting segment provides an integrated set of construction services, as discussed in Items 1 and 2 - Business Properties. The segment focuses on high-growth strategic markets located near major transportation corridors and desirable mid-sized metropolitan areas; strengthening the long-term, strategic aggregate reserve position through available purchase and/or lease opportunities; enhancing profitability through cost containment, margin discipline and vertical integration of the segment's operations; development and recruitment of talented employees; and continued growth through organic and acquisition opportunities. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">A key element of the Company's long-term strategy for this business is to further expand its market presence in the higher-margin materials business (rock, sand, gravel, liquid asphalt, asphalt concrete, ready-mixed concrete and related products), complementing and expanding on the segment's expertise. The segment expects to continue cost containment efforts, positioning its operations for the resurgence in the private market, while continuing the emphasis on industrial, energy and public works projects.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">As one of the country's largest sand and gravel producers, the segment will continue to strategically manage its </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">1.0 billion</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> tons of aggregate reserves in all its markets, as well as take further advantage of being vertically integrated. The segment's vertical integration allows the segment to manage operations from aggregate mining to final lay-down of concrete and asphalt, with control of and access to permitted aggregate reserves being significant. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The construction materials and contracting segment faces challenges that are not under the direct control of the business. The segment operates in highly competitive markets. Competition can put negative pressure on the ability of the segment to earn a reasonable return. The segment is also subject to volatility in the cost of raw materials such as diesel, gasoline, liquid asphalt, cement and steel. Such volatility can have a negative impact on the segment's margins. Other variables that can impact the segment's margins include adverse weather conditions, the timing of project starts or completion and declines or delays in new and existing projects due to the cyclical nature of the construction industry.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The segment also faces challenges in the recruitment and retention of employees. Trends in the labor market include an aging workforce and availability issues. The segment also faces increasing pressure to reduce costs and the need for temporary employment because of the seasonality of the work performed in certain regions. </span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">37</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;">Earnings overview - construction materials and contracting </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following information summarizes the performance of the construction materials and contracting segment.</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:55%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December 31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Dollars in millions)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,812.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,874.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,904.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cost of sales:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operation and maintenance</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">1,500.7</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,533.2</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,576.4</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">52.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">54.1</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">61.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes, other than income</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">38.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">37.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">36.1</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">1,591.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,624.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,673.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Selling, general and administrative expense:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operation and maintenance</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">70.4</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">62.2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">75.9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">3.4</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.3</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.9</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes, other than income</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">3.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">77.6</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">70.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">84.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,668.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,695.6</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,758.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">143.7</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">178.7</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">146.0</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">123.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">102.7</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">89.1</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Sales (000's):</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Aggregates (tons)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">28,213</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">27,580</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">26,959</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Asphalt (tons)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">6,237</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">7,203</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6,705</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Ready-mixed concrete (cubic yards)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">3,548</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,655</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3,592</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2017</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Earnings at the construction materials and contracting business </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">increased</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$20.7 million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">20</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent) compared to the prior year. The increase was the result of: </span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">An income tax benefit of $41.9&#160;million for the revaluation of the segment's net deferred tax liabilities, as discussed in Item&#160;8 - Note </span><span style="font-family:Trade Gothic;font-size:8.5pt;color:#000000;">11</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher aggregate margins of $5.0&#160;million (after tax) primarily due to strong commercial and residential demand in certain regions</span></div></td></tr></table><div style="line-height:140%;padding-left:4px;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Partially offsetting these </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">increases</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> were:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower asphalt product margins resulting from lower revenues driven by competitive pricing and lower volumes from unfavorable weather during the first half of the year, less available work and increased competition in certain regions </span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower construction margins of $5.5&#160;million (after tax), largely decreased workloads caused by unfavorable weather during the first half of the year and less available work in energy-producing states</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher selling, general and administrative expense of $4.1&#160;million (after tax) from the absence in 2017 of a $6.7&#160;million (after tax) reduction to a MEPP withdrawal liability, as discussed in Item&#160;8 - Note </span><span style="font-family:Trade Gothic;font-size:8.5pt;color:#000000;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, offset in part by lower depreciation, depletion and amortization and lower office expense</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2015</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Earnings at the construction materials and contracting business </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">increased</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$13.6&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (15&#160;percent) due to:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher construction margins of $8.1&#160;million (after tax) resulting from higher revenues due to more available work in most regions</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower selling, general and administrative expense from a $6.7&#160;million (after tax) reduction in 2016 to a previously recorded MEPP withdrawal liability compared to an increase to a MEPP withdrawal liability of $1.5&#160;million (after tax) in 2015, as discussed in Item 8 - Note </span><span style="font-family:Trade Gothic;font-size:8.5pt;color:#000000;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher asphalt product margins of $2.9&#160;million (after tax) resulting from higher volumes and lower asphalt oil and production costs</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher aggregate margins of $2.3&#160;million (after tax) resulting from higher volumes due to increased demand</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Partially offsetting these </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">increases</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> were: </span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher effective income tax rates</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower other product lines margins of $1.3&#160;million (after tax) </span></div></td></tr></table><div style="line-height:140%;padding-left:4px;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower diesel fuel costs contributed to higher earnings from all product lines in 2016.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">38</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-left:4px;padding-top:14px;text-align:left;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;">Outlook</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The segment's vertically integrated aggregates based business model provides the Company with the ability to capture margin throughout the sales delivery process. The aggregate products are sold internally and externally for use in other products such as ready-mixed concrete, asphaltic concrete and public and private construction markets. The contracting services and construction materials are sold primarily to construction contractors in connection with street, highway and other public infrastructure projects, as well as private commercial and residential development projects. The public infrastructure projects have traditionally been more stable markets as public funding is more secure during periods of economic decline. The public funding is, however, dependent on federal funding such as appropriations to the Federal Highway Administration. Spending on private development is highly dependent on both local and national economic cycles, providing additional sales during times of strong economic cycles.</span></div><div style="line-height:140%;padding-left:4px;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company remains optimistic about overall economic growth and infrastructure spending. The IBIS World Industry Report for sand and gravel mining in the United States projects a 2.7&#160;percent annual growth rate over the next five years. The report also states the demand for clay and refractory materials is projected to continue deteriorating in several downstream manufacturing industries, but this decline will be offset by stronger demand from the housing market and buoyant demand from the highway and bridge construction market. This stronger demand in the housing markets along with continued demand from the highway and bridge construction markets should provide a stable demand for construction materials and contracting products and services in the near future.</span></div><div style="line-height:140%;padding-left:4px;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The impact of the TCJA on the economy as a whole is unclear at this time. As such, the impact to the construction materials and contracting industry is also uncertain. Under the TCJA, the domestic production deduction will no longer be able to be taken. The domestic production deduction was originally introduced to incentivize domestic production activities and was a deduction of up to 9&#160;percent on qualified production activity income for which this segment's activities qualified. The Company expects the lower federal corporate tax rate will more than offset the loss of the domestic production deduction for this segment.</span></div><div><a id="s901684C4C25D559CB6DCDA9F237A473E"></a></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Construction Services</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;">Strategy and challenges</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> The construction services segment provides inside and outside specialty contracting, as discussed in Items 1 and 2 - Business Properties. The construction services segment focuses on providing a superior return on investment by building new and strengthening existing customer relationships; ensuring quality service; safely executing projects; effectively controlling costs; collecting on receivables; retaining, developing and recruiting talented employees; growing through organic and acquisition opportunities; and focusing efforts on projects that will permit higher margins while properly managing risk.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The construction services segment faces challenges in the highly competitive markets in which it operates. Competitive pricing environments, project delays and effects from restrictive regulatory requirements have negatively impacted margins in the past and could affect margins in the future. Additionally, margins may be negatively impacted on a quarterly basis due to adverse weather conditions, as well as timing of project starts or completions, declines or delays in new projects due to the cyclical nature of the construction industry and other factors. These challenges may also impact the risk of loss on certain projects. Accordingly, operating results in any particular period may not be indicative of the results that can be expected for any other period.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The need to ensure available specialized labor resources for projects also drives strategic relationships with customers and project margins. These trends include an aging workforce and labor availability issues, increasing pressure to reduce costs and improve reliability, and increasing duration and complexity of customer capital programs. Due to these and other factors, we believe customer demand for labor resources will continue to increase, possibly outpacing, the supply of industry resources.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">39</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;">Earnings overview - construction services</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> The following information summarizes the performance of the construction services segment.</span></div><div style="line-height:140%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:55%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December 31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In millions)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,367.6</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,073.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">926.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cost of sales:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operation and maintenance</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">1,153.9</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">905.4</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">783.7</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">14.2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">13.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">11.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes, other than income</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">43.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">35.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">27.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">1,211.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">954.1</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">822.9</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Selling, general and administrative expense:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operation and maintenance</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">69.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">59.9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">54.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1.5</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1.8</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1.6</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes, other than income</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">4.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3.7</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">74.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">65.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">60.1</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">1,286.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,019.6</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">883.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">81.6</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">53.7</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">43.4</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">53.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">33.9</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">23.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2017</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Construction services earnings </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">increased</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$19.4&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">57</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent) compared to the prior year largely because of: </span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher inside specialty contracting margins of $12.8&#160;million (after tax) driven by an increase in revenues from an increase in the number and size of construction projects in 2017 and decreased costs from the successful management of labor performance on projects in a majority of the business activities performed partially offset by job losses on certain projects</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher outside specialty contracting margins of $9.8&#160;million (after tax) driven by higher contracting workloads and equipment revenues in areas impacted by storm activity</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">An income tax benefit of $4.3&#160;million for the revaluation of the segment's net deferred tax liabilities, as discussed in Item&#160;8 - Note </span><span style="font-family:Trade Gothic;font-size:8.5pt;color:#000000;">11</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Partially offsetting these increases were:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher selling, general and administrative expense, largely payroll-related costs</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The absence in 2017 of a $1.5&#160;million tax benefit related to the disposition of a non-strategic asset</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Construction services earnings </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">increased</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$10.1&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (43&#160;percent) compared to the prior year largely because of:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;padding-left:12px;"><div style="line-height:140%;font-size:8.5pt;text-indent:-12px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher inside specialty contracting margins of $13.0&#160;million (after tax) resulting from higher workloads from the successful completion of construction projects in certain markets, as well as lower labor costs due to increased efficiencies and lower workers' compensation claim costs partially offset by a loss on a project</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher margins of $3.5&#160;million (after tax) resulting from the sale of a non-strategic asset in 2015</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">These increases were partially offset by:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Higher selling, general and administrative expense of $4.0&#160;million (after tax), primarily due to higher payroll and benefit-related costs and higher bad debt expense</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Lower outside construction margins, primarily lower equipment revenues impacted by decreased customer demand</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;text-align:left;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;">Outlook</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company continues to expect long-term growth in the electric transmission market, although the timing of large bids and subsequent construction is likely to be highly variable from year to year. The Company believes several multi-year transmission projects will be available for bid in the 2018 timeframe and also expects bidding activity in small and medium-sized transmission and distribution projects to continue in 2018. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The impact of the TCJA on the economy as a whole is unclear at this time. As such, the impact to the construction services industry is also uncertain. While it is unclear what impact the TCJA may have on the construction services industry, the Company is optimistic about overall economic growth and infrastructure spending and believes that improving industry activity will continue in both market segments and the drivers for investment will remain intact. The Company believes that regulatory reform, state renewable portfolio standards, the aging of the electric grid, and the general improvement of the economy will positively impact the level of spending by its customers. Although competition remains strong, these trends are viewed as positive factors in the future. </span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">40</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company expects bidding activity to remain strong in both outside and inside specialty construction companies for the year 2018. Although bidding remains highly competitive in all areas, the Company expects the segment's skilled workforce will continue to provide a benefit in securing and executing profitable projects.</span></div><div><a id="sA87B858522D153C6AC928290832CAA92"></a></div><div style="line-height:120%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Other</span></div><div style="line-height:140%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:55%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December 31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In millions)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">7.9</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">8.6</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">9.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operation and maintenance</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">6.2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6.6</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">15.4</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2.0</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2.1</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2.1</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes, other than income</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.1</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.1</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">8.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">8.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">17.6</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating loss</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(8.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(1.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(3.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(15.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Included in Other are general and administrative costs and interest expense previously allocated to the exploration and production and refining businesses that do not meet the criteria for income (loss) from discontinued operations.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2017</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Other loss decreased </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$1.7&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> compared to the prior year primarily the result of lower interest expense from the repayment of long-term debt with the sale of the remaining exploration and production assets. Lower operation and maintenance expense was due to the absence of the refining business in 2017 offset in part by the loss on the disposition of certain assets during the year.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Other loss decreased </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$11.8&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> compared to the prior year primarily due to lower operation and maintenance expense and interest expense previously allocated to the exploration and production business, due to the sale of that business which included the repayment of long-term debt. Also contributing to the decreased loss was lower operation and maintenance expense in 2016 due to the absence of a 2015 corporate asset impairment and the absence of a 2015 foreign currency translation loss including the effects of the sale of the Company's remaining interest in the Brazilian Transmission Lines.</span></div><div><a id="sBCE8E4F770B25A33B7206FE544849284"></a></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Discontinued Operations</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:55%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December 31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In millions)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income (loss) from discontinued operations before intercompany eliminations, net of tax</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">3.1</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(303.2</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(829.9</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intercompany eliminations*</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(6.9</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(4.2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(3.8</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(300.4</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(834.1</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to noncontrolling interest</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(131.7</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(35.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to the Company, net of tax</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(3.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(168.7</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(798.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2017</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> The loss from discontinued operations attributable to the Company was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$3.8&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> compared to a loss of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$168.7&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in the prior year. The decreased loss was largely due to the absence in 2017 of a loss associated with the sale of the refining business in June 2016, as well as the reversal in 2017 of a previously accrued liability due to the resolution of a legal matter, as discussed in Item&#160;8 - Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2016</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> compared to </span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">2015</span><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The loss from discontinued operations attributable to the Company was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$168.7&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> compared to a loss of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$798.8&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in the prior year. The decreased loss is primarily due to the completion of the sales of Company's exploration and production and refining businesses. The decreased loss was largely the result of the absence in 2016 of a noncash write-down of oil and natural gas properties of $315.3 million (after tax) and fair value impairments of the exploration and production business's assets held for sale of $475.4&#160;million (after tax), as discussed in Item 8 - Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, partially offset by a fair value impairment of the refining business of $156.7&#160;million (after tax) in 2016, as discussed in Item 8 - Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">41</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="sE5ED9BA0E6825F3BAFF6485E435B8ABE"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Intersegment Transactions</span></div><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Amounts presented in the preceding tables will not agree with the Consolidated Statements of Income due to the Company's elimination of intersegment transactions. The amounts related to these items were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:55%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December 31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In millions)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment transactions:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">58.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">57.4</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">78.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operation and maintenance</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">9.1</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">8.7</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">26.9</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Purchased natural gas sold</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">48.9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">48.7</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">48.9</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income from continuing operations*</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">(6.9</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(6.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(5.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.7816091954023%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For more information on intersegment eliminations, see Item 8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">13</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div><a id="s56105EF3DCC450F5B77D7DC508776E58"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">New Accounting Standards</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For information regarding new accounting standards, see Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">1</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, which is incorporated herein by reference.</span></div><div><a id="s98433C9D1CC655D29D44A3483AB95255"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Liquidity and Capital Commitments</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company had cash and cash equivalents of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$34.6&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and available borrowing capacity of $</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">687.1 million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> under the outstanding credit facilities of the Company and its subsidiaries. The Company expects to meet its obligations for debt maturing within one year and its other operating and capital requirements from various sources, including internally generated funds; the Company's credit facilities, as described later in Capital resources; the issuance of long-term debt; and issuance of equity securities.</span></div><div><a id="sEF37E9FED97957BE942F3C15F8147A71"></a></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Cash flows</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Operating activities</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> The changes in cash flows from operating activities generally follow the results of operations as discussed in Business Segment Financial and Operating Data and also are affected by changes in working capital. Changes in cash flows for discontinued operations are related to the former exploration and production and refining businesses. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Cash flows </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">provided by</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> operating activities in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">decreased</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$14.2&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. The decrease in cash flows provided by operating activities reflects higher working capital requirements at the construction services business largely resulting from higher receivables due to increased workloads during the year and at the construction materials business due to higher receivables resulting from increased workloads later in the year. Higher natural gas purchases including the effects of colder weather also added to higher working capital requirements at the natural gas distribution business. Higher income taxes paid from continuing operations was largely offset by higher income taxes received from discontinued operations resulting from the realization of net operating losses at the discontinued operations. Higher earnings from continuing operations in 2017, compared to 2016, partially offset the decrease in cash flows provided by operating activities. Higher margins at the electric, natural gas distribution and construction services businesses were partially offset by lower margins at the construction materials business.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Cash flows provided by operating activities in 2016 decreased $199.6&#160;million from 2015. The decrease in cash flows provided by operating activities was largely from lower cash flows at the exploration and production business. The decrease was also due to higher working capital requirements at the electric, natural gas distribution and pipeline and midstream businesses. Partially offsetting the decrease in cash flows provided by operating activities was higher cash flows from continuing operations (excluding working capital) at the electric, pipeline and midstream and construction materials and contracting businesses.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Investing activities</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Cash flows </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">used in</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> investing activities in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">decreased</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$90.9&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> largely resulting from net proceeds from the sale of Pronghorn in January 2017 at the pipeline and midstream business.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Cash flows used in investing activities in 2016 decreased $77.4&#160;million&#160;from 2015 primarily due to lower capital expenditures largely at the electric and refining businesses. Partially offsetting this decrease were lower proceeds from the sale of properties at the exploration and production business.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Financing activities</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Cash flows </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">used in</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> financing activities in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">increased</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$50.4&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> primarily due to the higher net repayment of long-term debt.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">42</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Cash flows used in financing activities in 2016 decreased $60.8&#160;million from 2015 primarily due to the lower repayment of long-term debt of $250.9 million, partially offset by debt repayment in connection with the sale of the refining business, lower capital contributions at the refining business and lower issuance of long-term debt of $36.9 million.</span></div><div><a id="s39A08C3401895E5E92D09A934DAF97F5"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Defined benefit pension plans</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company has noncontributory qualified defined benefit pension plans for certain employees. Plan assets consist of investments in equity and fixed-income securities. Various actuarial assumptions are used in calculating the benefit expense (income) and liability (asset) related to the pension plans. Actuarial assumptions include assumptions about the discount rate, expected return on plan assets and rate of future compensation increases as determined by the Company within certain guidelines. At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the pension plans' accumulated benefit obligations exceeded these plans' assets by approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$91.5 million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Pretax pension expense reflected in the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$1.7 million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$2.1&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">$2.0&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. The Company's pension expense is currently projected to be approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$2.0&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$3.0&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Funding for the pension plans is actuarially determined. The minimum required contributions for </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> were approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$3.1 million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">$3.9&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. There were no minimum required contributions for </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. For more information on the Company's pension plans, see Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div><a id="sFCD4E10E8D405127A973EE6AADF72F31"></a></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Capital expenditures</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's capital expenditures from continuing operations for </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> through </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and as anticipated for </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> through </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2020</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> are summarized in the following table.</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="20"></td></tr><tr><td style="width:29%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:5%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Actual (a)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Estimated</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2018</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2019</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2020</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="19" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In millions)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Capital expenditures:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">333</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">111</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">109</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">229</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">107</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">98</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">131</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">126</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">147</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">203</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">211</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">172</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">18</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">35</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">31</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">97</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">100</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">109</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">48</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">38</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">44</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">79</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">78</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">76</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">38</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">60</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">19</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">17</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">16</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">16</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total capital expenditures</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">572</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">372</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">352</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">628</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">514</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">472</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> </span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Capital expenditures for 2017, 2016 and 2015 include noncash capital expenditure-related accounts payable and AFUDC, totaling $10.5&#160;million, $(15.8)&#160;million and $35.3&#160;million, respectively.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> capital expenditures were met from internal sources. The Company has included in the estimated capital expenditures for 2018 the purchase of the Thunder Spirit Wind farm expansion, the Valley Expansion project and the Line Section 27 expansion project, as previously discussed in </span><span style="color:#000000;font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Business Segment Financial and Operating Data</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Estimated capital expenditures for the years </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> through </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2020</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> include those for:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">System upgrades</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Routine replacements</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Service extensions</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Routine equipment maintenance and replacements</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Buildings, land and building improvements</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Pipeline, gathering and other midstream projects</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Power generation and transmission opportunities, including certain costs for additional electric generating capacity</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Environmental upgrades</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Other growth opportunities</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company continues to evaluate potential future acquisitions and other growth opportunities; however, they are dependent upon the availability of economic opportunities and, as a result, capital expenditures may vary significantly from the estimates in the preceding table. It is anticipated that all of the funds required for capital expenditures for the years </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> through </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2020</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> will be met from various sources, including internally generated funds; the Company's credit facilities, as described later; issuance of long-term debt; and issuance of equity securities.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">43</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s48948197196C506E8C92D3A379DC5FAD"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Capital resources</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Certain debt instruments of the Company and its subsidiaries, including those discussed later, contain restrictive covenants and cross-default provisions. In order to borrow under the respective credit agreements, the Company and its subsidiaries must be in compliance with the applicable covenants and certain other conditions, all of which the Company and its subsidiaries, as applicable, were in compliance with at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. In the event the Company and its subsidiaries do not comply with the applicable covenants and other conditions, alternative sources of funding may need to be pursued. For more information on the covenants, certain other conditions and cross-default provisions, see Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">6</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following table summarizes the outstanding revolving credit facilities of the Company and its subsidiaries at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="16"></td></tr><tr><td style="width:21%;"></td><td style="width:22%;"></td><td style="width:3%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:3%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:3%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:3%;"></td><td style="width:11%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Company</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Facility</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Facility</span></div><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Limit</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amount Outstanding</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Letters</span></div><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">of Credit</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Expiration</span></div><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Date</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="13" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In millions)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">MDU Resources Group, Inc.</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial paper/Revolving credit agreement</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(a)&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">175.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">73.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(b)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5/8/19</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cascade Natural Gas Corporation</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Revolving credit agreement</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">75.0</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(c)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">17.3</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2.2</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(d)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4/24/20</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intermountain Gas Company</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Revolving credit agreement</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">85.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(e)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">40.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4/24/20</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Centennial Energy Holdings, Inc.</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial paper/Revolving credit agreement</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(f)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">500.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">14.6</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">9/23/21</span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The commercial paper program is supported by a revolving credit agreement with various banks (provisions allow for increased borrowings, at the option of the Company on stated conditions, up to a maximum of </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">$225.0&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">). There were no amounts outstanding under the revolving credit agreement.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(b)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Amount outstanding under commercial paper program.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(c)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Certain provisions allow for increased borrowings, up to a maximum of </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">$100.0&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(d)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Outstanding letter(s) of credit reduce the amount available under the credit agreement.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(e)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Certain provisions allow for increased borrowings, up to a maximum of </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">$110.0&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(f)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The commercial paper program is supported by a revolving credit agreement with various banks (provisions allow for increased borrowings, at the option of Centennial on stated conditions, up to a maximum of </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">$600.0&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">). There were no amounts outstanding under the revolving credit agreement.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's and Centennial's respective commercial paper programs are supported by revolving credit agreements. While the amount of commercial paper outstanding does not reduce available capacity under the respective revolving credit agreements, the Company and Centennial do not issue commercial paper in an aggregate amount exceeding the available capacity under their credit agreements. The commercial paper borrowings may vary during the period, largely the result of fluctuations in working capital requirements due to the seasonality of the construction businesses.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's coverage of fixed charges including preferred stock dividends was 4.2&#160;times and 3.9&#160;times for the 12&#160;months ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. The coverage of fixed charges is used as an indicator of the Company's ability to satisfy fixed charges.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Total equity as a percent of total capitalization was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">59</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent and 56&#160;percent at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. This ratio is calculated as the Company's total equity, divided by the Company's total capital. Total capital is the Company's total debt, including short-term borrowings and long-term debt due within one year, plus total equity. This ratio is an indicator of how the Company is financing its operations, as well as its financial strength.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following includes information related to the preceding table.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> The Company's revolving credit agreement supports its commercial paper program. Commercial paper borrowings under this agreement are classified as long-term debt as they are intended to be refinanced on a long-term basis through continued commercial paper borrowings. The Company's objective is to maintain acceptable credit ratings in order to access the capital markets through the issuance of commercial paper. Historically, downgrades in the Company's credit ratings have not limited, nor are currently expected to limit, the Company's ability to access the capital markets. If the Company were to experience a downgrade of its credit ratings in the future, it may need to borrow under its credit agreement and may experience an increase in overall interest rates with respect to its cost of borrowings.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Prior to the maturity of the credit agreement, the Company expects that it will negotiate the extension or replacement of this agreement. If the Company is unable to successfully negotiate an extension of, or replacement for, the credit agreement, or if the fees on this facility become too expensive, which the Company does not currently anticipate, the Company would seek alternative funding.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Cascade Natural Gas Corporation </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On April 25, 2017, Cascade amended its revolving credit agreement to increase the borrowing limit from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$50.0 million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$75.0 million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and extend the termination date from July 9, 2018 to April 24, 2020. The credit agreement contains </span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">44</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">customary covenants and provisions, including a covenant of Cascade not to permit, at any time, the ratio of total debt to total capitalization to be greater than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">65</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent. Other covenants include restrictions on the sale of certain assets, limitations on indebtedness and the making of certain investments.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Cascade's credit agreement also contains cross-default provisions. These provisions state that if Cascade fails to make any payment with respect to any indebtedness or contingent obligation, in excess of a specified amount, under any agreement that causes such indebtedness to be due prior to its stated maturity or the contingent obligation to become payable, Cascade will be in default under the revolving credit agreement. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Intermountain Gas Company </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On April 25, 2017, Intermountain amended its revolving credit agreement to increase the borrowing limit from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$65.0&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$85.0&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and extend the termination date from July 13, 2018 to April 24, 2020. The credit agreement contains customary covenants and provisions, including a covenant of Intermountain not to permit, at any time, the ratio of total debt to total capitalization to be greater than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">65</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent. Other covenants include restrictions on the sale of certain assets, limitations on indebtedness and the making of certain investments.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Intermountain's credit agreement also contains cross-default provisions. These provisions state that if Intermountain fails to make any payment with respect to any indebtedness or contingent obligation, in excess of a specified amount, under any agreement that causes such indebtedness to be due prior to its stated maturity or the contingent obligation to become payable, or certain conditions result in an early termination date under any swap contract that is in excess of a specified amount, then Intermountain will be in default under the revolving credit agreement.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Centennial Energy Holdings, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Centennial's revolving credit agreement supports its commercial paper program. Commercial paper borrowings under this agreement are classified as long-term debt as they are intended to be refinanced on a long-term basis through continued commercial paper borrowings. Centennial's objective is to maintain acceptable credit ratings in order to access the capital markets through the issuance of commercial paper. Historically, downgrades in Centennial's credit ratings have not limited, nor are currently expected to limit, Centennial's ability to access the capital markets. If Centennial were to experience a downgrade of its credit ratings in the future, it may need to borrow under its credit agreement and may experience an increase in overall interest rates with respect to its cost of borrowings.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Prior to the maturity of the Centennial credit agreement, Centennial expects that it will negotiate the extension or replacement of this agreement, which provides credit support to access the capital markets. In the event Centennial is unable to successfully negotiate this agreement, or in the event the fees on this facility become too expensive, which Centennial does not currently anticipate, it would seek alternative funding.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">WBI Energy Transmission, Inc. </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">WBI Energy Transmission has a </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$200.0 million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> uncommitted note purchase and private shelf agreement with an expiration date of May&#160;16, 2019. WBI Energy Transmission had </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$100.0 million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of notes outstanding at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, which reduced the remaining capacity under this uncommitted private shelf agreement to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$100.0 million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. On December&#160;22, 2017, WBI Energy Transmission contracted to issue an additional $40.0&#160;million under the private shelf agreement at an interest rate of 4.18&#160;percent on June&#160;15, 2018.</span></div><div><a id="sBA03F989A8E75AD0B9C643F864C32F9B"></a></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Off balance sheet arrangements</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">As of December 31, 2017, the Company had no material off balance sheet arrangements as defined by the rules of the SEC.</span></div><div><a id="s2400D570D6755F728764AC5AB599F628"></a></div><div style="line-height:100%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Contractual obligations and commercial commitments</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For more information on the Company's contractual obligations on long-term debt, operating leases and purchase commitments, see </span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Item&#160;8 - Notes&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">6</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">17</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company's commitments under these obligations were as follows:</span></div><div style="line-height:140%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.42528735632183%;border-collapse:collapse;text-align:left;"><tr><td colspan="22"></td></tr><tr><td style="width:25%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2018</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2019</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2020</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2021</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2022</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Thereafter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="21" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In millions)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">148.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">125.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">73.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">15.3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">147.2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,211.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,720.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Estimated interest payments*</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">71.2</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">62.6</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">62.2</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">59.1</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">58.7</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">512.9</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">826.7</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating leases</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">55.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">45.3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">33.2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">18.6</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">7.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">40.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">200.4</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Purchase commitments</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">360.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">215.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">162.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">135.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">99.1</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">773.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,746.4</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">636.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">448.4</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">330.8</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">228.3</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">312.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2,538.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4,494.0</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Estimated interest payments are calculated based on the applicable rates and payment dates.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">45</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company had total liabilities of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$342.0&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> related to asset retirement obligations that are excluded from the table above. Of the total asset retirement obligations, the current portion was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$4.3 million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, and was included in other accrued liabilities on the Consolidated Balance Sheet. The remainder, which constitutes the long-term portion of asset retirement obligations, was included in deferred credits and other liabilities - other on the Consolidated Balance Sheet. Due to the nature of these obligations, the Company cannot determine precisely when the payments will be made to settle these obligations. For more information, see Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">7</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company has no uncertain tax positions in 2018.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's minimum funding requirements for its defined benefit pension plans for </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, which are not reflected in the previous table, are </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">$3.1&#160;million</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. For information on potential contributions above the funding minimum requirements, see item 8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's MEPP contributions are based on union employee payroll, which cannot be determined in advance for future periods. The Company may also be required to make additional contributions to its MEPPs as a result of their funded status. For more information, see Item&#160;1A - Risk Factors and Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. </span></div><div><a id="s85D193C523155931A65C472E5BDD3305"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Critical Accounting Policies Involving Significant Estimates</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company has prepared its financial statements in conformity with GAAP. The preparation of these financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities, at the date of the financial statements as well as the reported amounts of revenues and expenses during the reporting period. The Company's significant accounting policies are discussed in Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">1</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Estimates are used for items such as impairment testing of long-lived assets and goodwill; fair values of acquired assets and liabilities under the acquisition method of accounting; aggregate reserves; property depreciable lives; tax provisions; uncollectible accounts; environmental and other loss contingencies; accumulated provision for revenues subject to refund; costs on construction contracts; unbilled revenues; actuarially determined benefit costs; asset retirement obligations; and the valuation of stock-based compensation. The Company's critical accounting policies are subject to judgments and uncertainties that affect the application of such policies. As discussed below, the Company's financial position or results of operations may be materially different when reported under different conditions or when using different assumptions in the application of such policies.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">As additional information becomes available, or actual amounts are determinable, the recorded estimates are revised. Consequently, operating results can be affected by revisions to prior accounting estimates. The following critical accounting policies involve significant judgments and estimates.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Impairment of long-lived assets and intangibles</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company reviews the carrying values of its long-lived assets and intangibles, excluding assets held for sale, whenever events or changes in circumstances indicate that such carrying values may not be recoverable and at least annually for goodwill.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Goodwill </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company performs its goodwill impairment testing annually in the fourth quarter. In addition, the test is performed on an interim basis whenever events or circumstances indicate that the carrying amount of goodwill may not be recoverable. Examples of such events or circumstances may include a significant adverse change in business climate, weakness in an industry in which the Company's reporting units operate or recent significant cash or operating losses with expectations that those losses will continue.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The goodwill impairment test is a two-step process performed at the reporting unit level. The Company has determined that the reporting units for its goodwill impairment test are its operating segments, or components of an operating segment, that constitute a business for which discrete financial information is available and for which segment management regularly reviews the operating results. For more information on the Company's operating segments, see Item 8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">13</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. The first step of the impairment test involves comparing the fair value of each reporting unit to its carrying value. If the fair value of a reporting unit exceeds its carrying value, the test is complete and no impairment is recorded. If the fair value of a reporting unit is less than its carrying value, step two of the test is performed to determine the amount of impairment loss, if any. The impairment is computed by comparing the implied fair value of the reporting unit's goodwill to the carrying value of that goodwill. If the carrying value is greater than the implied fair value, an impairment loss must be recorded. For the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, there were no significant impairment losses recorded. At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the fair value substantially exceeded the carrying value at all reporting units. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Determining the fair value of a reporting unit requires judgment and the use of significant estimates which include assumptions about the Company's future revenue, profitability and cash flows, amount and timing of estimated capital expenditures, inflation rates, weighted average cost of capital, operational plans, and current and future economic conditions, among others. The fair value of each reporting unit is </span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">46</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">determined using a weighted combination of income and market approaches. The Company uses a discounted cash flow methodology for its income approach. Under the income approach, the discounted cash flow model determines fair value based on the present value of projected cash flows over a specified period and a residual value related to future cash flows beyond the projection period. Both values are discounted using a rate which reflects the best estimate of the weighted average cost of capital at each reporting unit. The weighted average cost of capital, which varies by reporting unit and is in the range of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">5</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">9</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent, and a long-term growth rate projection of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">3</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent were utilized in the goodwill impairment test performed in the fourth quarter of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Under the market approach, the Company estimates fair value using multiples derived from comparable sales transactions and enterprise value to EBITDA for comparative peer companies for each respective reporting unit. These multiples are applied to operating data for each reporting unit to arrive at an indication of fair value. In addition, the Company adds a reasonable control premium when calculating the fair value utilizing the peer multiples, which is estimated as the premium that would be received in a sale in an orderly transaction between market participants. The Company believes that the estimates and assumptions used in its impairment assessments are reasonable and based on available market information.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Long-Lived Assets</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Unforeseen events and changes in circumstances and market conditions and material differences in the value of long-lived assets and intangibles due to changes in estimates of future cash flows could negatively affect the fair value of the Company's assets and result in an impairment charge. If an impairment indicator exists for tangible and intangible assets, excluding goodwill, the asset group held and used is tested for recoverability by comparing an estimate of undiscounted future cash flows attributable to the assets compared to the carrying value of the assets. If impairment has occurred, the amount of the impairment recognized is determined by estimating the fair value of the assets and recording a loss if the carrying value is greater than the fair value.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">There is risk involved when determining the fair value of assets, tangible and intangible, as there may be unforeseen events and changes in circumstances and market conditions that have a material impact on the estimated amount and timing of future cash flows. In addition, the fair value of the asset could be different using different estimates and assumptions in the valuation techniques used.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company believes its estimates used in calculating the fair value of long-lived assets, including goodwill and identifiable intangibles, are reasonable based on the information that is known when the estimates are made.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Revenue recognition</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Revenue is recognized when the earnings process is complete, as evidenced by an agreement between the customer and the Company, when delivery has occurred or services have been rendered, when the fee is fixed or determinable and when collection is reasonably assured. The recognition of revenue requires the Company to make estimates and assumptions that affect the reported amounts of revenue. Critical estimates related to the recognition of revenue include costs on construction contracts under the percentage-of-completion method.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company recognizes construction contract revenue from fixed-price and modified fixed-price construction contracts at its construction businesses using the percentage-of-completion method, measured by the percentage of costs incurred to date to estimated total costs for each contract. This method depends largely on the ability to make reasonably dependable estimates related to the extent of progress toward completion of the contract, contract revenues and contract costs. Inasmuch as contract prices are generally set before the work is performed, the estimates pertaining to every project could contain significant unknown risks such as volatile labor, material and fuel costs, weather delays, adverse project site conditions, unforeseen actions by regulatory agencies, performance by subcontractors, job management and relations with project owners. Changes in estimates could have a material effect on the Company's results of operations, financial position and cash flows.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Several factors are evaluated in determining the bid price for contract work. These include, but are not limited to, the complexities of the job, past history performing similar types of work, seasonal weather patterns, competition and market conditions, job site conditions, work force safety, reputation of the project owner, availability of labor, materials and fuel, project location and project completion dates. As a project commences, estimates are continually monitored and revised as information becomes available and actual costs and conditions surrounding the job become known. If a loss is anticipated on a contract, the loss is immediately recognized.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company believes its estimates surrounding percentage-of-completion accounting are reasonable based on the information that is known when the estimates are made. The Company has contract administration, accounting and management control systems in place that allow its estimates to be updated and monitored on a regular basis. Because of the many factors that are evaluated in determining bid prices, it is inherent that the Company's estimates have changed in the past and will continually change in the future as new information becomes available for each job. There were no material changes in contract estimates at the individual contract level in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Pension and other postretirement benefits</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company has noncontributory defined benefit pension plans and other postretirement benefit plans for certain eligible employees. Various actuarial assumptions are used in calculating the benefit expense (income) and liability (asset) related to these plans. Costs of </span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">47</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">providing pension and other postretirement benefits bear the risk of change, as they are dependent upon numerous factors based on assumptions of future conditions.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company makes various assumptions when determining plan costs, including the current discount rates and the expected long-term return on plan assets, the rate of compensation increases, actuarially determined mortality data, and health care cost trend rates. In selecting the expected long-term return on plan assets, which is considered to be one of the key variables in determining benefit expense or income, the Company considers historical returns, current market conditions and expected future market trends, including changes in interest rates and equity and bond market performance. Another key variable in determining benefit expense or income is the discount rate. In selecting the discount rate, the Company matches forecasted future cash flows of the pension and postretirement plans to a yield curve which consists of a hypothetical portfolio of high-quality corporate bonds with varying maturity dates, as well as other factors, as a basis. The Company's pension and other postretirement benefit plan assets are primarily made up of equity and fixed-income investments. Fluctuations in actual equity and bond market returns as well as changes in general interest rates may result in increased or decreased pension and other postretirement benefit costs in the future. Management estimates the rate of compensation increase based on long-term assumed wage increases and the health care cost trend rates are determined by historical and future trends. The Company estimates that a 50&#160;basis point decrease in the discount rate or in the expected return on plan assets would each increase expense by less than $1.5&#160;million (after tax) for the year ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company believes the estimates made for its pension and other postretirement benefits are reasonable based on the information that is known when the estimates are made. These estimates and assumptions are subject to a number of variables and are expected to change in the future. Estimates and assumptions will be affected by changes in the discount rate, the expected long-term return on plan assets, the rate of compensation increase and health care cost trend rates. The Company plans to continue to use its current methodologies to determine plan costs. For more information on the assumptions used in determining plan costs, see Item&#160;8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Income taxes</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company is required to make judgments regarding the potential tax effects of various financial transactions and ongoing operations to estimate the Company's obligation to taxing authorities. These tax obligations include income, real estate and sales/use taxes. Judgments related to income taxes require the recognition in the Company's financial statements of a tax position that is more-likely-than-not to be sustained on audit.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Judgment and estimation is required in developing the provision for income taxes and the reporting of tax-related assets and liabilities and, if necessary, any valuation allowances. The interpretation of tax laws can involve uncertainty, since tax authorities may interpret such laws differently. Actual income tax could vary from estimated amounts and may result in favorable or unfavorable impacts to net income, cash flows, and tax-related assets and liabilities. In addition, the effective tax rate may be affected by other changes including the allocation of property, payroll and revenues between states.&#160; </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company assesses the deferred tax assets for recoverability taking into consideration historical and anticipated earnings levels; the reversal of other existing temporary differences; available net operating losses and tax carryforwards; and available tax planning strategies that could be implemented to realize the deferred tax assets. Based on this assessment, management must evaluate the need for, and amount of, a valuation allowance against the deferred tax assets. As facts and circumstances change, adjustment to the valuation allowance may be required.</span></div><div><a id="sB3B49804B3B85EA1983BAC92BCA7B80E"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Effects of Inflation</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Inflation did not have a significant effect on the Company's operations in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> or </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div><a id="sC29F885457F25DD5827876449BC6B676"></a></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Item&#160;7A. Quantitative and Qualitative Disclosures About Market Risk</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company is exposed to the impact of market fluctuations associated with interest rates. The Company has policies and procedures to assist in controlling these market risks and from time to time has utilized derivatives to manage a portion of its risk.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Interest rate risk</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company uses fixed and variable rate long-term debt to partially finance capital expenditures and mandatory debt retirements. These debt agreements expose the Company to market risk related to changes in interest rates. The Company manages this risk by taking advantage of market conditions when timing the placement of long-term financing. The Company from time to time has utilized interest rate swap agreements to manage a portion of the Company's interest rate risk and may take advantage of such agreements in the future to minimize such risk. For additional information on the Company's long-term debt, see Item 8 - Notes </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">5</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">6</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company had no outstanding interest rate hedges.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">48</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following table shows the amount of long-term debt, which excludes unamortized debt issuance costs and discount, and related weighted average interest rates, both by expected maturity dates, as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="25"></td></tr><tr><td style="width:20%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2018</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2019</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2020</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2021</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2022</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;padding-left:6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Thereafter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;padding-left:24px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="24" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Dollars in millions)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Fixed rate</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">148.5</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">51.7</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">15.7</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">.7</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">147.2</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,211.0</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,574.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,680.6</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average interest rate</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">6.1</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.3</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">5.1</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2.1</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.5</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.7</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.8</span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Variable rate</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">73.8</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">57.3</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">14.6</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">145.7</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">145.7</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average interest rate</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1.7</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">3.7</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1.9</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2.5</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">49</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s8ECCEFBC021959DEB51AD467095DCEC7"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Item&#160;8. Financial Statements and Supplementary Data</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Management's Report on Internal Control Over Financial Reporting</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The management of MDU Resources Group, Inc. is responsible for establishing and maintaining adequate internal control over financial reporting as defined in Rules&#160;13a-15(f) and 15d-15(f) under the Securities Exchange Act of 1934. The Company's internal control system is designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of the Company's financial statements for external purposes in accordance with generally accepted accounting principles in the United States of America.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">All internal control systems, no matter how well designed, have inherent limitations. Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and presentation. Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Management assessed the effectiveness of the Company's internal control over financial reporting as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. In making this assessment, management used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission (COSO) in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">Internal Control-Integrated Framework (2013)</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Based on our evaluation under the framework in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">Internal Control-Integrated Framework (2013)</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, management concluded that the Company's internal control over financial reporting was effective as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-bottom:33px;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The effectiveness of the Company's internal control over financial reporting as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, has been audited by Deloitte &amp; Touche LLP, an independent registered public accounting firm, as stated in their report.</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:81.99233716475096%;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:50%;"></td><td style="width:50%;"></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">/s/ David L. Goodin</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">/s/ Jason L. Vollmer</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">David L. Goodin</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Jason L. Vollmer</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">President and Chief Executive Officer</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Vice President, Chief Financial Officer and Treasurer</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">50</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Report of Independent Registered Public Accounting Firm</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">To the Stockholders and the Board of Directors of MDU Resources Group, Inc.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Opinion on the Financial Statements</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">We have audited the accompanying consolidated balance sheets of MDU Resources Group, Inc. and subsidiaries (the "Company") as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the related consolidated statements of income, comprehensive income, equity, and cash flows, for each of the three years in the period ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, and the related notes and the financial statement schedules listed in the Index at Item&#160;15 (collectively referred to as the "financial statements"). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, and the results of its operations and its cash flows for each of the three years in the period ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, in conformity with accounting principles generally accepted in the United States of America. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company's internal control over financial reporting as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, based on criteria established in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">Internal Control-Integrated Framework (2013)</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">February&#160;23, 2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, expressed an unqualified opinion on the Company's internal control over financial reporting.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Basis for Opinion</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits include performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:40.99616858237548%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">/s/ Deloitte &amp; Touche LLP</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Minneapolis, Minnesota</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">February&#160;23, 2018</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">We have served as the Company's auditor since 2002.</span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">51</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Report of Independent Registered Public Accounting Firm</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">To the Stockholders and the Board of Directors of MDU Resources Group, Inc.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Opinion on Internal Control over Financial Reporting</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">We have audited the internal control over financial reporting of MDU Resources Group,&#160;Inc. and subsidiaries (the "Company") as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, based on criteria established in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">Internal Control-Integrated Framework</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">(2013)</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> issued by the Committee of Sponsoring Organizations of the Treadway Commission (COSO). In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, based on criteria established in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">Internal Control-Integrated Framework (2013)</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> issued by COSO. </span></div><div style="line-height:140%;padding-bottom:12px;padding-top:12px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated financial statements and financial statement schedules as of and for the year ended December 31, 2017, of the Company and our report dated </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">February&#160;23, 2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, expressed an unqualified opinion on those consolidated financial statements and financial statement schedules.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Basis for Opinion</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management's Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Company's internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:bold;">Definition and Limitations of Internal Control over Financial Reporting</span></div><div style="line-height:140%;padding-bottom:12px;padding-top:12px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">A company&#8217;s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company&#8217;s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company&#8217;s assets that could have a material effect on the financial statements.</span></div><div style="line-height:140%;padding-bottom:12px;padding-top:12px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:40.99616858237548%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">/s/ Deloitte &amp; Touche LLP</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Minneapolis, Minnesota</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">February&#160;23, 2018</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">52</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s33D9A55325B35BFDA1E666335551D80B"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Consolidated Statements of Income</span></div><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:61%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December&#160;31,</span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">(In thousands, except per share amounts)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Operating revenues:</span></div></td><td colspan="3" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Electric, natural gas distribution and regulated pipeline and midstream</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e1328-wk-Fact-217A99894A94F1336F5AF94C9C909595" name="us-gaap:Revenues" contextRef="FD2017Q4YTD_us-gaap_ProductOrServiceAxis_mdu_RegulatedoperationsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,244,759</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1342-wk-Fact-883619B47B920DE48764F94C9CBFF7DD" name="us-gaap:Revenues" contextRef="FD2016Q4YTD_us-gaap_ProductOrServiceAxis_mdu_RegulatedoperationsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,141,454</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1356-wk-Fact-FA68C2BE1EE038105A68F94C9C9FDA4D" name="us-gaap:Revenues" contextRef="FD2015Q4YTD_us-gaap_ProductOrServiceAxis_mdu_RegulatedoperationsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,149,038</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:6px;text-indent:-6px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;background-color:#ffffff;">Nonregulated pipeline and midstream, construct</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">ion materials and contracting, construction services and other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e1373-wk-Fact-DC56DA40EAE6AA899DE3F94C9C909674" name="us-gaap:Revenues" contextRef="FD2017Q4YTD_us-gaap_ProductOrServiceAxis_mdu_NonregulatedoperationsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,198,592</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1387-wk-Fact-C009D455CA2AEA6F04DCF94C9C805826" name="us-gaap:Revenues" contextRef="FD2016Q4YTD_us-gaap_ProductOrServiceAxis_mdu_NonregulatedoperationsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,987,374</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1401-wk-Fact-1B3B6B4A5F77BEA68A05F94C9C90824D" name="us-gaap:Revenues" contextRef="FD2015Q4YTD_us-gaap_ProductOrServiceAxis_mdu_NonregulatedoperationsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,865,014</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Total operating revenues</span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e1421-wk-Fact-8A6B43B50BC5AD3EA6B2F94C9CBFA919" name="us-gaap:Revenues" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,443,351</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1435-wk-Fact-7CEDE460E2DAE248A922F94C9C80274C" name="us-gaap:Revenues" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,128,828</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1449-wk-Fact-7B444B84CF34FDE17389F94C9C808200" name="us-gaap:Revenues" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,014,052</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Operating expenses:</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Operation and maintenance:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Electric, natural gas distribution and regulated pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e1566-wk-Fact-B90DFB5D9B16177A875EF94C9CBFA714" name="us-gaap:OtherSellingGeneralAndAdministrativeExpense" contextRef="FD2017Q4YTD_us-gaap_ProductOrServiceAxis_mdu_RegulatedoperationsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">323,120</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1580-wk-Fact-F5E4FFDBF202313C5122F94C9CBF972C" name="us-gaap:OtherSellingGeneralAndAdministrativeExpense" contextRef="FD2016Q4YTD_us-gaap_ProductOrServiceAxis_mdu_RegulatedoperationsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">312,404</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1594-wk-Fact-ACC16150DDF53EAEE398F94C9CAF5427" name="us-gaap:OtherSellingGeneralAndAdministrativeExpense" contextRef="FD2015Q4YTD_us-gaap_ProductOrServiceAxis_mdu_RegulatedoperationsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">278,171</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Nonregulated pipeline and midstream,&#160;construction materials and contracting, construction services and other</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e1614-wk-Fact-01C1C58603D4F14F88E0F94C9C9FC1E8" name="us-gaap:OtherSellingGeneralAndAdministrativeExpense" contextRef="FD2017Q4YTD_us-gaap_ProductOrServiceAxis_mdu_NonregulatedoperationsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,807,682</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1628-wk-Fact-2F48E3F70107ECD1C724F94C9CBF2F4E" name="us-gaap:OtherSellingGeneralAndAdministrativeExpense" contextRef="FD2016Q4YTD_us-gaap_ProductOrServiceAxis_mdu_NonregulatedoperationsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,580,895</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1642-wk-Fact-45F872FEEB06AC4F07E1F94C9CDEAF20" name="us-gaap:OtherSellingGeneralAndAdministrativeExpense" contextRef="FD2015Q4YTD_us-gaap_ProductOrServiceAxis_mdu_NonregulatedoperationsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,527,052</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Total operation and maintenance</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e1662-wk-Fact-0598DD2EFED007A95F3D615064090685" name="us-gaap:OtherSellingGeneralAndAdministrativeExpense" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,130,802</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1676-wk-Fact-7CE528688B32398D65FB6150640BDF5F" name="us-gaap:OtherSellingGeneralAndAdministrativeExpense" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,893,299</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1690-wk-Fact-C980D46BFD1B8ADB802C6150640DAFEE" name="us-gaap:OtherSellingGeneralAndAdministrativeExpense" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,805,223</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Purchased natural gas sold</span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e1711-wk-Fact-6B57B1CD2156D1E8536AF94C9C90CD11" name="us-gaap:UtilitiesOperatingExpenseGasAndPetroleumPurchased" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">430,954</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1725-wk-Fact-66B02B54F034066B287FF94C9CBF5E8B" name="us-gaap:UtilitiesOperatingExpenseGasAndPetroleumPurchased" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">382,753</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1739-wk-Fact-FAED78666E76D0C847D7F94C9C901ECF" name="us-gaap:UtilitiesOperatingExpenseGasAndPetroleumPurchased" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">450,114</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e1759-wk-Fact-6B56F4B51E4367DE3320F94C9C9F84F4" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">207,486</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1773-wk-Fact-B58665F3FEA9E791563AF94C9CDE3AD1" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">216,318</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1787-wk-Fact-07B9D8D35EE8D6561FB8F94C9C809803" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">211,747</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Taxes, other than income</span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e1807-wk-Fact-8FD3D0D61EB87CF573DEF94C9C80FB3E" name="us-gaap:TaxesExcludingIncomeAndExciseTaxes" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">166,673</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1821-wk-Fact-BC668A84E80D9ACFA677F94C9C80A7F6" name="us-gaap:TaxesExcludingIncomeAndExciseTaxes" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">151,826</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1835-wk-Fact-F5A1690F480A72CE89D3F94C9CBFFA36" name="us-gaap:TaxesExcludingIncomeAndExciseTaxes" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">140,955</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Electric fuel and purchased power</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e1855-wk-Fact-08210B636CFCFB32DAD2F94C9C9078E3" name="us-gaap:CostOfPurchasedPower" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">78,724</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1869-wk-Fact-4056A00ABEB20E2CE29AF94C9C80AFCF" name="us-gaap:CostOfPurchasedPower" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">75,512</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1883-wk-Fact-5CA68254AF5465A85A3CF94C9CCEF9C3" name="us-gaap:CostOfPurchasedPower" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">86,238</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Total operating expenses</span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e1903-wk-Fact-C9A07FECC018207664CDF94C9C9082C5" name="us-gaap:OperatingExpenses" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,014,639</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1917-wk-Fact-E0FAE457D074DF126820F94C9C9F9F4D" name="us-gaap:OperatingExpenses" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,719,708</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1931-wk-Fact-F43E7CA5104A49E48BFAF94C9C90E44A" name="us-gaap:OperatingExpenses" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,694,277</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Operating income</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e1951-wk-Fact-2BC551F32D7806EEE515F94C9CCE5865" name="us-gaap:OperatingIncomeLoss" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">428,712</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1965-wk-Fact-DEAFB769745969C98BADF94C9C9FD534" name="us-gaap:OperatingIncomeLoss" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">409,120</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e1979-wk-Fact-94BF39B0E947D7E9BEC9F94C9CDE7E04" name="us-gaap:OperatingIncomeLoss" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">319,775</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Other income</span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e1999-wk-Fact-732453445BEACA7A583AF94C9CBFE417" name="us-gaap:OtherNonoperatingIncomeExpense" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,103</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2013-wk-Fact-216C209E05ADBBB89306F94C9CBFFFCA" name="us-gaap:OtherNonoperatingIncomeExpense" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,956</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2027-wk-Fact-6729750A1D7827B96D12F94C9C90BBBA" name="us-gaap:OtherNonoperatingIncomeExpense" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">18,457</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Interest expense</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e2047-wk-Fact-FB2106A1A5D1877D2F3DF94C9C90B9AB" name="us-gaap:InterestExpense" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">82,788</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2061-wk-Fact-6DBEC856EC7CF5F76292F94C9C9F6419" name="us-gaap:InterestExpense" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">87,848</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2075-wk-Fact-1308C1683DBA6BA2E30DF94C9C80CA38" name="us-gaap:InterestExpense" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">91,179</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Income before income taxes</span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e2095-wk-Fact-3BA36E0CEBF8A91D48BEF94C9CBF677B" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">350,027</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2109-wk-Fact-C2B2B824FC6A67EAF023F94C9C80CB98" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">326,228</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2123-wk-Fact-0770F6FA4432E4C0984FF94C9C90F4A5" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">247,053</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Income taxes</span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e2143-wk-Fact-101C7EA8EC5B7B350C9FF94C9CDE7DEF" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">65,041</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2157-wk-Fact-CD41FD82CDCF96E45BBBF94C9C9087F3" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">93,132</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2171-wk-Fact-EDCD2931E5918C35A744F94C9CBF04F5" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">70,664</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Income from continuing operations</span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e2191-wk-Fact-26B8CAF37C311966B687F94C9C80DFDF" name="us-gaap:IncomeLossFromContinuingOperations" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">284,986</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2205-wk-Fact-FC36D94A136DA1884F3FF94C9C803A1E" name="us-gaap:IncomeLossFromContinuingOperations" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">233,096</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2219-wk-Fact-4EC799CD84A78E5F2D8FF94C9C9F7E8F" name="us-gaap:IncomeLossFromContinuingOperations" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">176,389</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Loss from discontinued operations, net of tax (Note 2)</span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8016442e2240-wk-Fact-8F8A3F3CE8868E3F9037F94C9C803832" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,783</ix:nonFraction></span></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8016442e2255-wk-Fact-B6EB0E7D8A9583390FBBF94C9C9073F3" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">300,354</ix:nonFraction></span></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8016442e2270-wk-Fact-B51EA525655683EF361DF94C9CDE72B6" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">834,080</ix:nonFraction></span></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Net income (loss)</span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e2291-wk-Fact-4302E5E49DCF4524690AF94C9CBFF954" name="us-gaap:ProfitLoss" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">281,203</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8016442e2305-wk-Fact-26111158ACF5952F026BF94C9C8002E8" name="us-gaap:ProfitLoss" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">67,258</ix:nonFraction></span></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8016442e2320-wk-Fact-4F75DBD920BB5158A561F94C9CCE4960" name="us-gaap:ProfitLoss" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">657,691</ix:nonFraction></span></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Loss from discontinued operations attributable to noncontrolling interest (Note 2)</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e2341-wk-Fact-2D89A6E8FEDEE91C3A847AFC4B20E8B6" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8016442e2355-wk-Fact-BEF56CBC53843D369620F94C9CBF3FA2" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">131,691</ix:nonFraction></span></span></div></td><td style="vertical-align:top;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8016442e2370-wk-Fact-9B4038F02A2862E7B44BF94C9C90FA5C" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">35,256</ix:nonFraction></span></span></div></td><td style="vertical-align:top;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Loss on redemption of preferred stocks (Note 8)</span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e2391-wk-Fact-90A617D0B6E779582F56F94C9C90D670" name="us-gaap:PreferredStockRedemptionPremium" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">600</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2405-wk-Fact-6A9A08D3B07CFC883C66499687351DCF" name="us-gaap:PreferredStockRedemptionPremium" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2419-wk-Fact-97CE4ECFBE1E4AC5F9A0499687A0B397" name="us-gaap:PreferredStockRedemptionPremium" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Dividends declared on preferred stocks</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e2439-wk-Fact-96D4ED6FB9B983D6A91DF94C9C9010F6" name="us-gaap:PreferredStockDividendsIncomeStatementImpact" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">171</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2453-wk-Fact-7457285BE7BAFB0E0194F94C9CDEB584" name="us-gaap:PreferredStockDividendsIncomeStatementImpact" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">685</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2467-wk-Fact-71A5210C06BE09078544F94C9C90C416" name="us-gaap:PreferredStockDividendsIncomeStatementImpact" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">685</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Earnings (loss) on common stock</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e2492-wk-Fact-539A3CED492B098C8404F94C9CCECE04" name="us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">280,432</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2506-wk-Fact-060EA3B81B802476849FF94C9C80C2E2" name="us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">63,748</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8016442e2520-wk-Fact-C02A3C3119A47E9D7769F94C9CAF8D8F" name="us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">623,120</ix:nonFraction></span></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Earnings (loss) per common share - basic:</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Earnings before discontinued operations</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e2589-wk-Fact-F7A5C8CDD8D889EAE2B8F94C9CBF7D1F" name="us-gaap:IncomeLossFromContinuingOperationsPerBasicShare" contextRef="FD2017Q4YTD" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">1.46</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2603-wk-Fact-E05A11145954A2B1ED6DF94C9C80A897" name="us-gaap:IncomeLossFromContinuingOperationsPerBasicShare" contextRef="FD2016Q4YTD" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">1.19</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2617-wk-Fact-AEA4A39F867A363580ADF94C9CBF8C04" name="us-gaap:IncomeLossFromContinuingOperationsPerBasicShare" contextRef="FD2015Q4YTD" unitRef="usdPerShare" decimals="2" scale="0">.90</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8016442e2632-wk-Fact-4858CB5F761C40E45501F94C9C8081C5" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare" contextRef="FD2017Q4YTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.02</ix:nonFraction></span></span></div></td><td style="vertical-align:top;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8016442e2647-wk-Fact-443A5F58EE23F45F2E5FF94C9CBF59AD" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare" contextRef="FD2016Q4YTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.86</ix:nonFraction></span></span></div></td><td style="vertical-align:top;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8016442e2662-wk-Fact-054368AF6B7344A1F6ECF94C9C904BBA" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare" contextRef="FD2015Q4YTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-" format="ixt:numdotdecimal">4.10</ix:nonFraction></span></span></div></td><td style="vertical-align:top;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Earnings (loss) per common share - basic</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e2688-wk-Fact-9A9DC3B74C63B72C1147F94C9C902E53" name="us-gaap:EarningsPerShareBasic" contextRef="FD2017Q4YTD" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">1.44</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2702-wk-Fact-5DC0FE1D409B93B15523F94C9C90B860" name="us-gaap:EarningsPerShareBasic" contextRef="FD2016Q4YTD" unitRef="usdPerShare" decimals="2" scale="0">.33</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8016442e2716-wk-Fact-031578DE835AC7141904F94C9C90DA42" name="us-gaap:EarningsPerShareBasic" contextRef="FD2015Q4YTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-" format="ixt:numdotdecimal">3.20</ix:nonFraction></span></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Earnings (loss) per common share - diluted:</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Earnings before discontinued operations</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e2786-wk-Fact-AEE7F63822D4956DB325F94C9C80E4AF" name="us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare" contextRef="FD2017Q4YTD" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">1.45</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2800-wk-Fact-651CC717FE91A95FECF3F94C9CCEB4DC" name="us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare" contextRef="FD2016Q4YTD" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">1.19</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2814-wk-Fact-436E57B30D0D07217C6BF94C9CDEE0C6" name="us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare" contextRef="FD2015Q4YTD" unitRef="usdPerShare" decimals="2" scale="0">.90</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8016442e2829-wk-Fact-1E9DFCF0351D20B446EDF94C9CDE187B" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare" contextRef="FD2017Q4YTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.02</ix:nonFraction></span></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8016442e2844-wk-Fact-5C9B5727B6A59A4654FFF94C9CBF95AD" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare" contextRef="FD2016Q4YTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.86</ix:nonFraction></span></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8016442e2859-wk-Fact-CDF1BF32AD376106DAB8F94C9CDEA6E5" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare" contextRef="FD2015Q4YTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-" format="ixt:numdotdecimal">4.10</ix:nonFraction></span></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Earnings (loss) per common share - diluted</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e2885-wk-Fact-C3ED6D42B134C0D92444F94C9CDE3E25" name="us-gaap:EarningsPerShareDiluted" contextRef="FD2017Q4YTD" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">1.43</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2899-wk-Fact-6F26590396E4406061DCF94C9CAFE465" name="us-gaap:EarningsPerShareDiluted" contextRef="FD2016Q4YTD" unitRef="usdPerShare" decimals="2" scale="0">.33</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8016442e2913-wk-Fact-68CE7CE48A7FB0776ABBF94C9C8035F2" name="us-gaap:EarningsPerShareDiluted" contextRef="FD2015Q4YTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-" format="ixt:numdotdecimal">3.20</ix:nonFraction></span></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Weighted average common shares outstanding - basic</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e2929-wk-Fact-429334963C4C521E0CA1F94C9C90F592" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="FD2017Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,304</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2943-wk-Fact-EC7B93EA0600A8DDF7E9F94C9CBF121E" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="FD2016Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,299</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2957-wk-Fact-697C93EA988CBBC1ACDBF94C9CBFEC74" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="FD2015Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">194,928</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Weighted average common shares outstanding - diluted</span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8016442e2977-wk-Fact-6D208A1BB3DFFA194EF5F94C9CBF8592" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="FD2017Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,687</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e2991-wk-Fact-B4ABFB3B07F4DE44CD54F94C9CBFBB7C" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="FD2016Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,618</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8016442e3005-wk-Fact-AF9A6C0CFD36267343C2F94C9CAFD7A8" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="FD2015Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">194,986</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;font-style:italic;">The accompanying notes are an integral part of these consolidated financial statements.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">53</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s4A9C1704153F526B99EB1961CF44B129"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Consolidated Statements of Comprehensive Income</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:61%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December&#160;31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Net income (loss)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8014022e1276-wk-Fact-4302E5E49DCF4524690AF94C9CBFF954" name="us-gaap:ProfitLoss" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">281,203</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8014022e1290-wk-Fact-26111158ACF5952F026BF94C9C8002E8" name="us-gaap:ProfitLoss" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">67,258</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8014022e1305-wk-Fact-4F75DBD920BB5158A561F94C9CCE4960" name="us-gaap:ProfitLoss" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">657,691</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Other comprehensive income (loss):</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Reclassification adjustment for loss on derivative instruments included in net income (loss), net of tax of $224, $226 and $233 in 2017, 2016 and 2015, respectively</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8014022e1372-wk-Fact-EE0A8857C59CBD4570BC55DA8DE9AC9D" name="us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">366</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e1386-wk-Fact-C70D37C0C00A5B696CB2617216965D4A" name="us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">367</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e1400-wk-Fact-950E69F29045FC42AF896172169C7075" name="us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">404</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Postretirement liability adjustment:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Postretirement liability losses arising during the period, net of tax of $(1,162), $(836) and $(55) in 2017, 2016 and 2015, respectively</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8014022e1471-wk-Fact-B270C6EBA443D043ACCA55DA8DDFC9D8" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,812</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8014022e1486-wk-Fact-D0134CB2D8D0D7A80A79617216A19151" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,470</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8014022e1501-wk-Fact-C1F0DD26D8F9DAE78312617216A05FD4" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">88</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Amortization of postretirement liability losses included in net periodic benefit cost (credit), net of tax of $645, $1,425 and $1,128 in 2017, 2016 and 2015, respectively</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8014022e1522-wk-Fact-E50C1D100FBE44BA6BF155DA8DDD19A9" name="us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,013</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e1536-wk-Fact-9E9EC8E5E72AC65B4802617216A3A91B" name="us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,506</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e1550-wk-Fact-54F0ECC628BCEA4D81226172169B20A3" name="us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,794</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Reclassification of postretirement liability adjustment (from) to regulatory asset, net of tax of $(876), $0 and $1,416 in 2017, 2016 and 2015, respectively</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8014022e1570-wk-Fact-78EA2A180CAC09E9C09755DA8DE2AD66" name="mdu:OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPostretirementLiabilityAdjustmentToRegulatoryAssetNetofTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,143</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e1585-wk-Fact-59A56258266433EBA7516172169D5B2F" name="mdu:OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPostretirementLiabilityAdjustmentToRegulatoryAssetNetofTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e1599-wk-Fact-EB6137AF8451F7CA5A7B617216A431B2" name="mdu:OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPostretirementLiabilityAdjustmentToRegulatoryAssetNetofTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,255</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Postretirement liability adjustment</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8014022e1619-wk-Fact-8DFCB1BB30A5867439ACF94C9CAFC8F0" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,942</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e1634-wk-Fact-C552412507906D1993D7F94C9C9F7765" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,036</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e1648-wk-Fact-6F27B7CF2D44A7D09FA6F94C9CCECB50" name="us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,961</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Foreign currency translation adjustment:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Foreign currency translation adjustment recognized during the period, net of tax of $(3), $31 and $(105) in 2017, 2016 and 2015, respectively</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8014022e1720-wk-Fact-3DE99A51B8BE086924E5F94C9CBFC2A0" name="us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">6</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e1735-wk-Fact-9B48DFD9B5D9BEFE49296172169FA19B" name="us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">51</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8014022e1749-wk-Fact-CC4682DD15B37B43BF4161721697B7EE" name="us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">173</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Reclassification adjustment for loss on foreign currency translation adjustment included in net income (loss), net of tax of $0, $0 and $490 in 2017, 2016 and 2015, respectively</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8014022e1770-wk-Fact-93F8253CA2CB691B6DA9F94C9C906258" name="us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e1784-wk-Fact-A44C3713CD7BA1BCCAF66172169A5524" name="us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e1798-wk-Fact-813A2D75BDE4ECFB0A50617216A227A9" name="us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">802</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Foreign currency translation adjustment</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8014022e1818-wk-Fact-63697028A310B8529660F94C9CBF654F" name="us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">6</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e1833-wk-Fact-2C42F33316360D5D38CFF94C9CBF4FCB" name="us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">51</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e1847-wk-Fact-D9F44762E3A740D1D3D7F94C9CBFCCEC" name="us-gaap:OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">629</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Net unrealized loss on available-for-sale investments:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Net unrealized loss on available-for-sale investments arising during the period, net of tax of $(75), $(98) and $(91) in 2017, 2016 and 2015, respectively</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8014022e1918-wk-Fact-E2C8688AA9140FBD3259F94C9CBFFC4E" name="us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">139</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8014022e1933-wk-Fact-383A15AFA4F4684C4EA96172169E2C2E" name="us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">182</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8014022e1948-wk-Fact-6D8FDF7720A9A098535D61721699DCBD" name="us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">170</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Reclassification adjustment for loss on available-for-sale investments included in net income (loss), net of tax of $65, $77 and $70 in 2017, 2016 and 2015, respectively</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8014022e1969-wk-Fact-B5FA1CC57E8FC7E6B536F94C9CCEE4CE" name="us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">120</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e1983-wk-Fact-C4C42E60A46D2B6885366172169962F0" name="us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">143</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e1997-wk-Fact-79546285C3571BB9F652617216A0990F" name="us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">131</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Net unrealized loss on available-for-sale investments</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8014022e2017-wk-Fact-618EB09D00BE135115E9F94C9C80371D" name="us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">19</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8014022e2032-wk-Fact-0A403C78928749266FAAF94C9C80DACE" name="us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">39</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8014022e2047-wk-Fact-91829EA565CAE8F0BBDFF94C9CCE5441" name="us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">39</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Other comprehensive income (loss)</span></div></td><td colspan="2" style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8014022e2068-wk-Fact-9029AE817E538F425922F94C9C9F5892" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,601</ix:nonFraction></span></span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e2083-wk-Fact-4514082F9CCBAD4E853AF94C9CBF5225" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,415</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e2097-wk-Fact-807E91E6CD2FC7C7D990F94C9CAF51FC" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,955</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Comprehensive income (loss)</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8014022e2117-wk-Fact-59C157B3018C6667EB73F94C9CBF8E7B" name="us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">279,602</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8014022e2131-wk-Fact-958D40414DAEE383E95DF94C9C9F76B8" name="us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">65,843</ix:nonFraction></span></span></div></td><td style="vertical-align:top;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8014022e2146-wk-Fact-5EB6E7B6DD008263762DF94C9CBFEEA4" name="us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">652,736</ix:nonFraction></span></span></div></td><td style="vertical-align:top;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Comprehensive loss from discontinued operations attributable to noncontrolling interest</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8014022e2167-wk-Fact-2D89A6E8FEDEE91C3A847AFC4B20E8B6" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8014022e2181-wk-Fact-BEF56CBC53843D369620F94C9CBF3FA2" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">131,691</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8014022e2196-wk-Fact-9B4038F02A2862E7B44BF94C9C90FA5C" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">35,256</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Comprehensive income (loss) attributable to common stockholders</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8014022e2222-wk-Fact-DCB0902C2E8511A996D4F94C9CAF680F" name="us-gaap:ComprehensiveIncomeNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">279,602</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8014022e2236-wk-Fact-AC094968337A09623A8EF94C9C9FB452" name="us-gaap:ComprehensiveIncomeNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">65,848</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8014022e2250-wk-Fact-59E0DAE9198AB2563A57F94C9CBFD499" name="us-gaap:ComprehensiveIncomeNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">617,480</ix:nonFraction></span></span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;font-style:italic;">The accompanying notes are an integral part of these consolidated financial statements.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">54</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="sD8B6F675812858A789F3583A204F1ECA"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Consolidated Balance Sheets</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"></td></tr><tr><td style="width:74%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">December&#160;31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td colspan="6" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">(In thousands, except shares and per share amounts)</span></div></td><td style="vertical-align:bottom;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10pt;">Assets</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Current assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Cash and cash equivalents</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1318-wk-Fact-B5A9A0FDF40B8CC8C476F94C9C9F030E" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">34,599</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1332-wk-Fact-EEBB0C87472D0C07A013F94C9C9F41D1" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">46,107</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Receivables, net</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1347-wk-Fact-4305CB3C1A25016F6DF3F94C9CCE9554" name="us-gaap:ReceivablesNetCurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">727,030</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1361-wk-Fact-D2983BFB3C70999ACFA2F94C9CAF56B6" name="us-gaap:ReceivablesNetCurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">630,243</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Inventories</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1381-wk-Fact-1F4183CEA6F02F3FA4ECF94C9C9F2303" name="us-gaap:InventoryNet" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">226,583</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1395-wk-Fact-F9B8A57A8B3FE880BEF9F94C9CCED355" name="us-gaap:InventoryNet" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">238,273</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Prepayments and other current assets</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1415-wk-Fact-C5DF5A70D2EC553A10D7F94C9C80D832" name="us-gaap:OtherAssetsCurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">81,304</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1429-wk-Fact-4840D40DAA578C8FD3EBF94C9C80C48D" name="us-gaap:OtherAssetsCurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">48,461</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Current assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1449-wk-Fact-3FD1A59B40D4D7254808F94C9C9F8496" name="us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">479</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1463-wk-Fact-9582833069EEDD4FDACFF94C9C80D5C3" name="us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">14,391</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Total current assets</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1483-wk-Fact-D5E8E85BF8EE51627DC0F94C9C9FD56F" name="us-gaap:AssetsCurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,069,995</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1497-wk-Fact-B9686E58CE450E13448DF94C9C809CC0" name="us-gaap:AssetsCurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">977,475</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Investments</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1517-wk-Fact-9279084C904196814CC6F94C9CAFF479" name="us-gaap:LongTermInvestments" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">137,613</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1531-wk-Fact-44A120E6F710305CB48AF94C9CAF3364" name="us-gaap:LongTermInvestments" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">125,866</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Property, plant and equipment (Note 1)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1552-wk-Fact-B9066C8C5C468C1ED238F94C9CDEE06C" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,770,829</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1566-wk-Fact-FE2160CE51FE0D4B3847F94C9CBF906A" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,510,229</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Less accumulated depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1586-wk-Fact-A755BAAF374B3037AEF0F94C9CAFB436" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,691,641</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1600-wk-Fact-D332D5A205B4C1F18105F94C9CAF3471" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,578,902</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Net property, plant and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1620-wk-Fact-C5B30ECAB0279FDBDCD6F94C9CCE6A09" name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,079,188</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1634-wk-Fact-F7EA35E09FACBD4879C1F94C9C90606C" name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,931,327</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Deferred charges and other assets:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Goodwill (Note 3)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1688-wk-Fact-E07AAC22A05E44F074E0F94C9C9F4390" name="us-gaap:Goodwill" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">631,791</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1702-wk-Fact-0EFBF6D8DA53E9915170F94C9CDE70A5" name="us-gaap:Goodwill" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">631,791</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Other intangible assets, net (Note 3)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1722-wk-Fact-1517A1787E20615C62ACF94C9CAFCF21" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,837</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1736-wk-Fact-70BECD9F38530276EA29F94C9C9F2398" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,925</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1756-wk-Fact-1FA7F3C26279B3A98C49F94C9C9F1344" name="us-gaap:OtherAssetsNoncurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">407,850</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1770-wk-Fact-0EED77D3650E713EAF4FF94C9CAF50BF" name="us-gaap:OtherAssetsNoncurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">415,419</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Noncurrent assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1790-wk-Fact-543FF85AE96FAD9DDE4AF94C9C9F7F61" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,392</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1804-wk-Fact-C86EC2F157A6B96864A7F94C9CDE5D3A" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">196,664</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Total deferred charges and other assets</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1824-wk-Fact-43934A60B8B4F97E2D15F94C9CCEEB40" name="us-gaap:AssetsNoncurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,047,870</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1838-wk-Fact-54E5CDFD0DEFC1128444F94C9C9F790A" name="us-gaap:AssetsNoncurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,249,799</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Total assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1863-wk-Fact-E20151C55DAEF395FF23F94C9CCE1AEC" name="us-gaap:Assets" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,334,666</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1877-wk-Fact-6E30CFC67B932D35F764F94C9CCED8D7" name="us-gaap:Assets" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,284,467</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10pt;">Liabilities and Stockholders' Equity</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Current liabilities:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Long-term debt due within one year</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1966-wk-Fact-387B9093FBC12D8D7344F94C9CDE7309" name="us-gaap:LongTermDebtCurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">148,499</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e1980-wk-Fact-90778456490CE456F2A9F94C9C9F7BC4" name="us-gaap:LongTermDebtCurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">43,598</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Accounts payable</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e1995-wk-Fact-5811C65DC4B9174035A6F94C9CBF8B42" name="us-gaap:AccountsPayableCurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">312,327</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2009-wk-Fact-112ADE2103D5185170D1F94C9CDE28E0" name="us-gaap:AccountsPayableCurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">279,962</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Taxes payable</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2029-wk-Fact-74E87487ABAD6DD41650F94C9C80C6E6" name="us-gaap:TaxesPayableCurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">42,537</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2043-wk-Fact-501A58EDA6A81D042361F94C9CCE6AD1" name="us-gaap:TaxesPayableCurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">48,164</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Dividends payable</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2063-wk-Fact-6ADBF2CBA4CA74F8DC06F94C9C8038FA" name="us-gaap:DividendsPayableCurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">38,573</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2077-wk-Fact-FD03B537E7702F414F1BF94C9CAF9081" name="us-gaap:DividendsPayableCurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">37,767</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Accrued compensation</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2097-wk-Fact-F275D3AB6B7B77F20DE2F94C9C801E78" name="us-gaap:AccruedSalariesCurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">72,919</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2111-wk-Fact-3051266871D09F652DB4F94C9CCEDD99" name="us-gaap:AccruedSalariesCurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">65,867</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Other accrued liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2131-wk-Fact-187DF8D9B3C1AA189852F94C9CAF42CF" name="us-gaap:OtherLiabilitiesCurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">186,010</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2145-wk-Fact-77442B33F09787FD7D88F94C9CAFC5F5" name="us-gaap:OtherLiabilitiesCurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">184,377</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Current liabilities held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2165-wk-Fact-5BEBB6047A651ACC9E44F94C9CCE1B47" name="us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">11,993</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2179-wk-Fact-8458AA2170A2D481D8B4F94C9CCE6503" name="us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,924</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Total current liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2199-wk-Fact-6516459234193947CC0CF94C9C9F1AC8" name="us-gaap:LiabilitiesCurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">812,858</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2213-wk-Fact-470E6ED3B5B2F6E8B9DAF94C9CAFE489" name="us-gaap:LiabilitiesCurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">669,659</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Long-term debt (Note 6)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2233-wk-Fact-CDD865FD11FF1B64575CF94C9C9FE6E4" name="us-gaap:LongTermDebtNoncurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,566,354</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2247-wk-Fact-0AAF097B59D460703A3BF94C9CDEFFD2" name="us-gaap:LongTermDebtNoncurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,746,561</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Deferred credits and other liabilities:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Deferred income taxes</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2302-wk-Fact-F74FE38F9BA19A37387CF94C9C9F6E9B" name="us-gaap:DeferredIncomeTaxLiabilitiesNet" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">347,271</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2316-wk-Fact-46E6E3C74FAB6EB1F020F94C9CCE7F42" name="us-gaap:DeferredIncomeTaxLiabilitiesNet" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">668,226</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2336-wk-Fact-25B68293CA2D724F5840F94C9CDEBD07" name="us-gaap:OtherLiabilitiesNoncurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,179,140</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2350-wk-Fact-903918A50867D8CBA078F94C9CDED169" name="us-gaap:OtherLiabilitiesNoncurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">883,777</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Total deferred credits and other liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2370-wk-Fact-EDDBE1380A09B968CB7AF94C9CBF4EC3" name="us-gaap:LiabilitiesNoncurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,526,411</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2384-wk-Fact-3F6299732EC1CF3C1DF3F94C9CAFF71E" name="us-gaap:LiabilitiesNoncurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,552,003</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Commitments and contingencies (Notes 14, 16 and 17)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2404-wk-Fact-55A55C8A568FAB99146BF94C9CCEF0DD" name="us-gaap:CommitmentsAndContingencies" contextRef="FI2017Q4" unitRef="usd" xsi:nil="true" scale="0" format="ixt:nocontent"></ix:nonFraction></span><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2417-wk-Fact-9286CAD134B3199223C6F94C9CAF7E36" name="us-gaap:CommitmentsAndContingencies" contextRef="FI2016Q4" unitRef="usd" xsi:nil="true" scale="0" format="ixt:nocontent"></ix:nonFraction></span><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Stockholders' equity:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Preferred stocks (Note 8)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2470-wk-Fact-7A626B694AA1BD080A54618E2AE3E95A" name="us-gaap:PreferredStockValue" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2484-wk-Fact-5D07D6AA3330CAD353D0F94C9C9FB49B" name="us-gaap:PreferredStockValue" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Common stockholders' equity:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:42px;text-indent:-24px;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Common stock (Note 9)</span></div><div style="text-align:left;padding-left:24px;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Authorized - 500,000,000 shares, $1.00 par value</span></div><div style="text-align:left;padding-left:24px;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Issued - 195,843,297 shares in 2017 and 2016</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2544-wk-Fact-26E53BB00318AC0F5361F94C9C9F726A" name="us-gaap:CommonStockValue" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">195,843</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2558-wk-Fact-E111828C04226CA6F897F94C9C80DAED" name="us-gaap:CommonStockValue" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">195,843</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Other paid-in capital</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2578-wk-Fact-13A34C0D8E30CB895028F94C9C9F1744" name="us-gaap:AdditionalPaidInCapitalCommonStock" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,233,412</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2592-wk-Fact-8B37475F01B8EF532D7EF94C9C9FAA85" name="us-gaap:AdditionalPaidInCapitalCommonStock" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,232,478</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Retained earnings</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2612-wk-Fact-17D469DC8A9A6BAD5CE0F94C9C9F2E8F" name="us-gaap:RetainedEarningsAccumulatedDeficit" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,040,748</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2626-wk-Fact-FEC1BC6F1FDC8B7EE565F94C9C9F5288" name="us-gaap:RetainedEarningsAccumulatedDeficit" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">912,282</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Accumulated other comprehensive loss</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span>(<ix:nonFraction id="d8018485e2646-wk-Fact-6C057EF46738EEA22448F94C9CAF47CC" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">37,334</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span>(<ix:nonFraction id="d8018485e2661-wk-Fact-8B28C2945A18F782522BF94C9CAFC888" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">35,733</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">)</span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Treasury stock at cost - 538,921 shares</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span>(<ix:nonFraction id="d8018485e2683-wk-Fact-8AE815227DD93696AC67F94C9CAF5BD5" name="us-gaap:TreasuryStockValue" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,626</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span>(<ix:nonFraction id="d8018485e2698-wk-Fact-146FCCFE44DF160E9E01F94C9CAFBBFE" name="us-gaap:TreasuryStockValue" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,626</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">)</span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">Total common stockholders' equity</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2719-wk-Fact-D628B0A44F8A57BF5866F94C9C801B68" name="mdu:Commonequitystockholders" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,429,043</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2733-wk-Fact-D08C13FE6E1030540E77F94C9CCE8FBF" name="mdu:Commonequitystockholders" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,301,244</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Total stockholders' equity</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2753-wk-Fact-3181A922B74DADE5120CF94C9CAFC96A" name="us-gaap:StockholdersEquity" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,429,043</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2767-wk-Fact-BEFE87BA2170B20C5E74F94C9C900B8D" name="us-gaap:StockholdersEquity" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,316,244</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">Total liabilities and stockholders' equity</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8pt;font-weight:bold;"><span><ix:nonFraction id="d8018485e2792-wk-Fact-C77739A5FEDFAEDE0B1EF94C9CDE5695" name="us-gaap:LiabilitiesAndStockholdersEquity" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,334,666</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8pt;"><span><ix:nonFraction id="d8018485e2806-wk-Fact-5335ABF56A22E559379CF94C9C90F9B4" name="us-gaap:LiabilitiesAndStockholdersEquity" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,284,467</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;font-style:italic;">The accompanying notes are an integral part of these consolidated financial statements.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">55</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s66B32E1FAE305AC6B0FE16E71DED7ABE"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Consolidated Statements of Equity</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="32"></td></tr><tr><td style="width:18%;"></td><td style="width:6%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:4%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:9%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:5%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:6%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:6%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:5%;"></td><td style="width:1%;"></td><td style="width:6%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:4%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:5%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:6%;"></td><td style="width:1%;"></td></tr><tr><td colspan="12" style="vertical-align:bottom;border-bottom:1px solid 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style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" 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style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" rowspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;text-align:right;">Other</span></div><div 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style="text-align:right;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">Accumu-lated</span></div><div style="text-align:right;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">Other Compre-hensive Loss</span></div></td><td rowspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" rowspan="3" 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solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;Preferred Stock</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="5" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">Common Stock</span></div></td><td colspan="5" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">Treasury 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style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">December&#160;31, 2014</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e2166-wk-Fact-1367A3CC582BFF16EC8EF94C9CBF3DAC" name="us-gaap:PreferredStockSharesIssued" contextRef="FI2014Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_PreferredStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">150,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e2180-wk-Fact-559F870DE9D6438B2DB4F94C9CAF7F6B" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2014Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_PreferredStockMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e2194-wk-Fact-C3B46DD8E50E902272DAF94C9CAF83BD" name="us-gaap:CommonStockSharesIssued" contextRef="FI2014Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">194,754,812</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e2208-wk-Fact-25ABCC312717ABEC1AA7F94C9CAFB1A9" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2014Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">194,755</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e2223-wk-Fact-F224C884DE02768F7341F94C9CAF2828" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2014Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,207,188</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e2237-wk-Fact-25AFCDBD7CF821770C21F94C9CAF1301" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2014Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,762,827</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e2251-wk-Fact-1E1FD82E30AEBD86F699F94C9CBFA2B2" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2014Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">42,103</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e2261-wk-Fact-8E3ACDDCE3D9C93EDD40F94C9CAFCDB0" name="us-gaap:TreasuryStockShares" contextRef="FI2014Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_TreasuryStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">538,921</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e2277-wk-Fact-83922710E81A443E4830F94C9CBFF026" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2014Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_TreasuryStockMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,626</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e2292-wk-Fact-3394975D6DFAC89BB8A8F94C9CAF7E03" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2014Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_NoncontrollingInterestMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">115,743</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e2306-wk-Fact-82B2417D542FAB63113EF94C9CAFB04B" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2014Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,249,784</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Net loss</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e2387-wk-Fact-182D61F48927AB06ECE9F94C9CBF2514" name="us-gaap:NetIncomeLoss" contextRef="FD2015Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">622,435</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e2440-wk-Fact-64153521F6BB9579A5F6F94C9CAF488F" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" contextRef="FD2015Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_NoncontrollingInterestMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">35,256</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e2455-wk-Fact-4F75DBD920BB5158A561F94C9CCE4960" name="us-gaap:ProfitLoss" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">657,691</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other comprehensive income</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e2556-wk-Fact-510F31C167FEDF00D376F94C9CAF8E67" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2015Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,955</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e2608-wk-Fact-807E91E6CD2FC7C7D990F94C9CAF51FC" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,955</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Dividends declared on preferred stocks</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e2694-wk-Fact-7EEDE486DB5C53A8B92FF94C9CAF4069" name="us-gaap:DividendsPreferredStockCash" contextRef="FD2015Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">685</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e2761-wk-Fact-3EC8E1475845ED7B14D2F94C9CBFA3CE" name="us-gaap:DividendsPreferredStockCash" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">685</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Dividends declared on common stock</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e2848-wk-Fact-DEF31FE7C8BE1337BF0BF94C9CBFE6A9" name="us-gaap:DividendsCommonStockCash" contextRef="FD2015Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">143,352</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e2915-wk-Fact-60F70A6D6BB2A3DEA962F94C9CBF183C" name="us-gaap:DividendsCommonStockCash" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">143,352</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Stock-based compensation</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e2989-wk-Fact-7F46FF4D3F8A49C9F82DF94C9CAF9B74" name="us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions" contextRef="FD2015Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,689</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e3069-wk-Fact-4A2F09F6138CD00CEDAFF94C9CAF47EA" name="us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,689</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Net tax deficit on stock-based compensation</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e3141-wk-Fact-ADB4EA029BA113D91BC4F94C9CBFEC28" name="us-gaap:AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet" contextRef="FD2015Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,606</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e3222-wk-Fact-CF3C179CA7301D11D25BF94C9CAFA694" name="us-gaap:AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,606</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Issuance of common stock</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e3271-wk-Fact-3EBF21F2AC87018E13028C63E243C555" name="us-gaap:StockIssuedDuringPeriodSharesNewIssues" contextRef="FD2015Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">1,049,853</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e3280-wk-Fact-59D209285C66F5D4A5E08C64E084927F" name="us-gaap:StockIssuedDuringPeriodValueNewIssues" contextRef="FD2015Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,050</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e3295-wk-Fact-8B512334E9525DE57ABCF94C9CBFBA54" name="us-gaap:StockIssuedDuringPeriodValueNewIssues" contextRef="FD2015Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">20,848</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e3375-wk-Fact-B038CD3F7D1D5A382D9DF94C9CBFE021" name="us-gaap:StockIssuedDuringPeriodValueNewIssues" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">21,898</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Contribution from non-controlling interest</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e3513-wk-Fact-D2D83F43B4ACC1B6D8158C6727F900B5" name="us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance" contextRef="FD2015Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_NoncontrollingInterestMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">52,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e3527-wk-Fact-CA7D1996750A259C6E84F94C9CBF040F" name="us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">52,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Distribution to non-controlling interest</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e3665-wk-Fact-48D6C327BFBFB11504D8F94C9CBF17FA" name="us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" contextRef="FD2015Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_NoncontrollingInterestMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">8,444</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e3680-wk-Fact-48E2BBF89EF68E5C0553F94C9CBFAB2C" name="us-gaap:MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">8,444</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Balance at</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">December&#160;31, 2015</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e3864-wk-Fact-4A00FB9F53FC33E51620F94C9CAFC4CC" name="us-gaap:PreferredStockSharesIssued" contextRef="FI2015Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_PreferredStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">150,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e3873-wk-Fact-A918EE2EDA74A626486DF94C9CAFD05A" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2015Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_PreferredStockMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e3892-wk-Fact-AE62978E28BC757B0EB4F94C9CBF577E" name="us-gaap:CommonStockSharesIssued" contextRef="FI2015Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">195,804,665</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e3901-wk-Fact-F72BEA135D86F7319975F94C9CAF6ABB" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2015Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">195,805</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e3916-wk-Fact-FA6696433D7E756000C6F94C9CBF5FDE" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2015Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,230,119</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e3930-wk-Fact-82C294B9E0B7E9B13D4BF94C9CAF8B92" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2015Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">996,355</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e3944-wk-Fact-535A76ADAB22DEADB33EF94C9CAF7BDD" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2015Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">37,148</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e3959-wk-Fact-AAC10225122A019239C2F94C9CAF6386" name="us-gaap:TreasuryStockShares" contextRef="FI2015Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_TreasuryStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">538,921</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e3970-wk-Fact-7D3998C48AD6C3B9C69BF94C9CBFC1A2" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2015Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_TreasuryStockMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,626</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e3985-wk-Fact-87CF4065FA805E5023F8F94C9CBF1CD5" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2015Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_NoncontrollingInterestMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">124,043</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e3999-wk-Fact-6B46BDB8F2AB4F022CF3F94C9CBFFDD1" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2015Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,520,548</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Net income (loss)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e4085-wk-Fact-34C53AAEF02F15DA3E9CF94C9CAF5B13" name="us-gaap:NetIncomeLoss" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">64,433</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e4137-wk-Fact-56A05460504187812817F94C9CAF8F0C" name="us-gaap:NetIncomeLossAttributableToNoncontrollingInterest" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_NoncontrollingInterestMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">131,691</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e4152-wk-Fact-26111158ACF5952F026BF94C9C8002E8" name="us-gaap:ProfitLoss" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">67,258</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other comprehensive income</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e4253-wk-Fact-B38788BD98FAC6D51909F94C9CAF93B9" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,415</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e4305-wk-Fact-4514082F9CCBAD4E853AF94C9CBF5225" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,415</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Dividends declared on preferred stocks</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e4391-wk-Fact-D735347957EB6E5E213BF94C9CAF1D8E" name="us-gaap:DividendsPreferredStockCash" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">685</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e4458-wk-Fact-16D989C4CE55D6C1593DF94C9CBF5356" name="us-gaap:DividendsPreferredStockCash" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">685</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Dividends declared on common stock</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e4545-wk-Fact-890915C88A0F2BE0EF3EF94C9CAF5666" name="us-gaap:DividendsCommonStockCash" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">147,821</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e4612-wk-Fact-F76B712BB3E3E28FB5ADF94C9CBF9F90" name="us-gaap:DividendsCommonStockCash" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">147,821</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Stock-based compensation</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e4686-wk-Fact-EA88125AC00396A546FFF94C9CAF3598" name="us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,383</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e4766-wk-Fact-4F4C85422D39261076A7F94C9CAF9975" name="us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,383</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Net tax deficit on stock-based compensation</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e4838-wk-Fact-0A2E72341160E1F6E3C6F94C9CBFCD2B" name="us-gaap:AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,663</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e4919-wk-Fact-ABA4E0AC7D011BFCEB19F94C9CAF5FC5" name="us-gaap:AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,663</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Issuance of common stock upon vesting of stock-based compensation,<br/>net of shares used for<br/>tax withholdings</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e4968-wk-Fact-00AB68B63A27CBB14AEDF94C9CAFBA66" name="mdu:ShareBasedCompensationSharesSharesIssuedNetOfTaxWithholdings" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">38,632</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e4977-wk-Fact-C9DFB4556305F9B40CDAF94C9CAF331B" name="mdu:ShareBasedCompensationValueIssuedSharesNetOfTaxWithholdings" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">38</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e4992-wk-Fact-A40093D796AE9EA86E64F94C9CAFB86E" name="us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationGross" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">361</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e5073-wk-Fact-3953D260291108C1CB9CF94C9CBF4FA1" name="us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">323</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Contribution from non-controlling interest</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e5212-wk-Fact-AD24E76D46B66DE3A0CEF94C9CAF25AE" name="us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_NoncontrollingInterestMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,648</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e5226-wk-Fact-77700B53D039C67D8307F94C9CBF195C" name="us-gaap:NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,648</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Balance at</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">December&#160;31, 2016</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e5409-wk-Fact-74B828BA7FC873252D2FF94C9CAF0E82" name="us-gaap:PreferredStockSharesIssued" contextRef="FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_PreferredStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">150,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e5418-wk-Fact-03B36A5AF3EA87648FDCF94C9CAF74E3" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_PreferredStockMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e5437-wk-Fact-399AA59B4CD49EA74C73F94C9CBFE9F1" name="us-gaap:CommonStockSharesIssued" contextRef="FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">195,843,297</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e5446-wk-Fact-AD3B98FC4C0B16DB7BFEF94C9CBF0C3A" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">195,843</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e5461-wk-Fact-8B4B9744A865A1DF37B2F94C9CAF0E27" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,232,478</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e5475-wk-Fact-EF54EBF04690C5A931A1F94C9CBF8542" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">912,282</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e5489-wk-Fact-A56AEAEF7C70EC3B7806F94C9CAF54EE" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">35,733</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e5504-wk-Fact-5ED160B78AD7453C43F0F94C9CBF39E7" name="us-gaap:TreasuryStockShares" contextRef="FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_TreasuryStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">538,921</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e5515-wk-Fact-A86C9A731C04D26B5F50F94C9CAFFFF0" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_TreasuryStockMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,626</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e5530-wk-Fact-19DBF29711DA64BC8668F94C9CAF0B93" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_NoncontrollingInterestMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e5544-wk-Fact-9FDCBA92EC1190A1B724F94C9C80A5A9" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,316,244</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Net income </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e5630-wk-Fact-7E79117799B86F983C74F94C9CBF4315" name="us-gaap:NetIncomeLoss" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">281,203</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e5696-wk-Fact-4302E5E49DCF4524690AF94C9CBFF954" name="us-gaap:ProfitLoss" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">281,203</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other comprehensive loss</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e5796-wk-Fact-7E2DD7EC4F095DFB7B32F94C9CBF4C84" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,601</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e5849-wk-Fact-9029AE817E538F425922F94C9C9F5892" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,601</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Dividends declared on preferred stocks</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e5936-wk-Fact-568D5BBAC8FB013B12FFF94C9CBFDCD4" name="us-gaap:DividendsPreferredStockCash" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">171</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e6003-wk-Fact-ABE72832D41C7A306F0EF94C9CAFE1AA" name="us-gaap:DividendsPreferredStockCash" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">171</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Dividends declared on common stock</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e6090-wk-Fact-1F164A00C306A9C567E8F94C9CAF1CE5" name="us-gaap:DividendsCommonStockCash" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">151,966</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e6157-wk-Fact-97FDB088D89E0C88CD9CF94C9CAFA2B0" name="us-gaap:DividendsCommonStockCash" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">151,966</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Stock-based compensation</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e6230-wk-Fact-F01382C7BE3077DE2D50F94C9CAF33AE" name="us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,375</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e6310-wk-Fact-F252384A6F17F1ED8F9BF94C9CAF086F" name="us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,375</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Repurchase of common stock</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e6425-wk-Fact-E21F3A48F65C5862A6A490E3AB596097" name="us-gaap:TreasuryStockSharesAcquired" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_TreasuryStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">64,384</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e6436-wk-Fact-51A2362FCAF06050FC5490DFEC2610FF" name="us-gaap:TreasuryStockValueAcquiredCostMethod" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_TreasuryStockMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,684</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e6465-wk-Fact-1E6372E9C70FDAF110A1F94C9CAF4B66" name="us-gaap:TreasuryStockValueAcquiredCostMethod" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,684</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Issuance of common stock upon vesting of stock-based compensation,<br/>net of shares used for<br/>tax withholdings</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e6538-wk-Fact-8B2EE3557B8625D03185F94C9CBF3AC3" name="us-gaap:StockIssuedDuringPeriodValueShareBasedCompensationGross" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,441</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e6581-wk-Fact-8625002DD6E21B6DF8059151A725F331" name="us-gaap:TreasuryStockSharesRetired" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_TreasuryStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">64,384</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8028973e6591-wk-Fact-734DCFA95DA254F3983591534CEEB1C1" name="us-gaap:TreasuryStockRetiredCostMethodAmount" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_TreasuryStockMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,684</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e6619-wk-Fact-88B698784ACF6FF6AE47F94C9CAF1064" name="us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">757</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Redemption of preferred stock</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e6640-wk-Fact-4462E66AF9C57B7D02526DE613B0906D" name="us-gaap:StockRedeemedOrCalledDuringPeriodShares" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_PreferredStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">150,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e6650-wk-Fact-B02791E87C0C9765CD856DF9152A4E32" name="us-gaap:StockRedeemedOrCalledDuringPeriodValue" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_PreferredStockMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e6708-wk-Fact-2CE35BBF201B43C0E0EF6E0475ED9F38" name="us-gaap:PreferredStockRedemptionPremium" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">600</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>(<ix:nonFraction id="d8028973e6775-wk-Fact-8A0DCA462270C1DAC40FF94C9CAF6F86" name="us-gaap:PaymentsForRepurchaseOfPreferredStockAndPreferenceStock" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,600</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Balance at</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8028973e6959-wk-Fact-178F0A0EAC2EAB009E52F94C9CBF40C2" name="us-gaap:PreferredStockSharesIssued" contextRef="FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_PreferredStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8028973e6973-wk-Fact-10E2EAB15DABF051E14BF94C9CAF93CD" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_PreferredStockMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8028973e6987-wk-Fact-402387EEBCDD8303A99BF94C9CAF9BB7" name="us-gaap:CommonStockSharesIssued" contextRef="FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">195,843,297</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8028973e7001-wk-Fact-D61F3A1796961B8CA5CBF94C9CAF5F17" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_CommonStockMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">195,843</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8028973e7016-wk-Fact-263F5E624B6AA29E9CAEF94C9CAF75DD" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AdditionalPaidInCapitalMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,233,412</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8028973e7030-wk-Fact-596B6D7537F97F7DDEEFF94C9CAFD288" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_RetainedEarningsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,040,748</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>(<ix:nonFraction id="d8028973e7044-wk-Fact-EB6C856AFB35FDD6AC14F94C9CBF5A5F" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">37,334</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>(<ix:nonFraction id="d8028973e7054-wk-Fact-3903D0AC8C2B63B141C7F94C9CBFA921" name="us-gaap:TreasuryStockShares" contextRef="FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_TreasuryStockMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">538,921</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>(<ix:nonFraction id="d8028973e7070-wk-Fact-5A6EFB0A3B2A7D8AA7DFF94C9CBF65AC" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_TreasuryStockMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,626</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8028973e7085-wk-Fact-37DC6BB7C321078631DAF94C9CBFF0A1" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_NoncontrollingInterestMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8028973e7099-wk-Fact-93BBB0E30AFBC98B6BBAF94C9CAF35A6" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,429,043</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;font-style:italic;">The accompanying notes are an integral part of these consolidated financial statements.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">56</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="sEE44DE426AE15732861CAFA70B393A72"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Consolidated Statements of Cash Flows</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:64%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December&#160;31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Operating activities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Net income (loss)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e1327-wk-Fact-4302E5E49DCF4524690AF94C9CBFF954" name="us-gaap:ProfitLoss" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">281,203</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e1341-wk-Fact-26111158ACF5952F026BF94C9C8002E8" name="us-gaap:ProfitLoss" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">67,258</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e1356-wk-Fact-4F75DBD920BB5158A561F94C9CCE4960" name="us-gaap:ProfitLoss" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">657,691</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Loss from discontinued operations, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e1372-wk-Fact-8F8A3F3CE8868E3F9037F94C9C803832" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,783</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e1387-wk-Fact-B6EB0E7D8A9583390FBBF94C9C9073F3" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">300,354</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e1402-wk-Fact-B51EA525655683EF361DF94C9CDE72B6" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">834,080</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Income from continuing operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e1423-wk-Fact-26B8CAF37C311966B687F94C9C80DFDF" name="us-gaap:IncomeLossFromContinuingOperations" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">284,986</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e1437-wk-Fact-FC36D94A136DA1884F3FF94C9C803A1E" name="us-gaap:IncomeLossFromContinuingOperations" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">233,096</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e1451-wk-Fact-4EC799CD84A78E5F2D8FF94C9C9F7E8F" name="us-gaap:IncomeLossFromContinuingOperations" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">176,389</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Adjustments to reconcile net income (loss) to net cash provided by operating activities:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e1519-wk-Fact-6B56F4B51E4367DE3320F94C9C9F84F4" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">207,486</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e1533-wk-Fact-B58665F3FEA9E791563AF94C9CDE3AD1" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">216,318</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e1547-wk-Fact-07B9D8D35EE8D6561FB8F94C9C809803" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">211,747</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Deferred income taxes</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e1567-wk-Fact-0BCB6C2538CC06403085F94C9CBFE601" name="us-gaap:DeferredIncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">25,423</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e1582-wk-Fact-F9645B36FDF6C4233C99F94C9CDE6EFD" name="us-gaap:DeferredIncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,049</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e1597-wk-Fact-5DBEB4D7F4552F733A24F94C9C90EDF1" name="us-gaap:DeferredIncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">25,356</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Changes in current assets and liabilities, net of acquisitions:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:36px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Receivables</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e1666-wk-Fact-0629F3B1BDBEC7728F46F94C9CDECD0F" name="us-gaap:IncreaseDecreaseInReceivables" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">108,255</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e1681-wk-Fact-C0D5280F28672D902AC7F94C9CCE766F" name="us-gaap:IncreaseDecreaseInReceivables" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">25,641</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e1696-wk-Fact-A3B2345E0EBBC08945B0F94C9CCEC838" name="us-gaap:IncreaseDecreaseInReceivables" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">4,704</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:36px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Inventories</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e1717-wk-Fact-3066E6CA53EF472BFA95F94C9CCE64ED" name="us-gaap:IncreaseDecreaseInInventories" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">9,135</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e1731-wk-Fact-40620064B0D5B0984EB9F94C9CDEBB42" name="us-gaap:IncreaseDecreaseInInventories" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,433</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e1745-wk-Fact-AE614044DBE69E7BBFFBF94C9C9FD7C8" name="us-gaap:IncreaseDecreaseInInventories" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,265</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:36px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Other current assets</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e1765-wk-Fact-50D025F951C7FDBE3F8BF94C9CBF86FC" name="us-gaap:IncreaseDecreaseInOtherCurrentAssets" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">30,588</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e1780-wk-Fact-CD0A8015A912388C631CF94C9C901617" name="us-gaap:IncreaseDecreaseInOtherCurrentAssets" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">17,925</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e1795-wk-Fact-E77C475962091DE4D754F94C9CDE4B89" name="us-gaap:IncreaseDecreaseInOtherCurrentAssets" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">60,182</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:36px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Accounts payable</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e1815-wk-Fact-C7635C54AEAB8E4B7930F94C9CDE4B18" name="us-gaap:IncreaseDecreaseInAccountsPayable" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">26,013</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e1829-wk-Fact-9F7D143876DD69B49268F94C9CDE58DE" name="us-gaap:IncreaseDecreaseInAccountsPayable" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,039</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e1843-wk-Fact-FBB0349AC11B6E2AAE6FF94C9CDEBD62" name="us-gaap:IncreaseDecreaseInAccountsPayable" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">37,224</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:36px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Other current liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e1863-wk-Fact-A8F2A50EC1C0B4AD90E4F94C9C9F3A4B" name="us-gaap:IncreaseDecreaseInOtherCurrentLiabilities" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,648</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e1877-wk-Fact-2FBE3F0D167A6C57F9ADF94C9C900F31" name="us-gaap:IncreaseDecreaseInOtherCurrentLiabilities" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">36,146</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e1891-wk-Fact-9E9B8397C797C9B058C0F94C9C9FB150" name="us-gaap:IncreaseDecreaseInOtherCurrentLiabilities" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,864</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:28px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Other noncurrent changes</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e1911-wk-Fact-4F86AA3A0DD1F6FC2A11F94C9C80ECCE" name="us-gaap:IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">18,790</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e1926-wk-Fact-76D1F3BBF2C724B5E75FF94C9CDEC3B1" name="us-gaap:IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">26,459</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e1941-wk-Fact-02F7F604254C61634887F94C9CBFB175" name="us-gaap:IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,240</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Net cash provided by continuing operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e1962-wk-Fact-8FE5955692B21BFA1D9CF94C9C9F4F8D" name="us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">349,212</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e1976-wk-Fact-764FB408241884555AE4F94C9CCED14C" name="us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">422,958</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e1990-wk-Fact-41C83FC27B132798DDA7F94C9C9FA158" name="us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">463,779</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Net cash provided by discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e2010-wk-Fact-3B927BFFAFB34FED9A2AF94C9CBF723F" name="us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">98,799</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2024-wk-Fact-76A8F781E9255EFC2E32F94C9CDE2E57" name="us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">39,251</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2038-wk-Fact-86F02E9AE7B72FD21D2CF94C9CCEEF0E" name="us-gaap:CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">198,053</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Net cash provided by operating activities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e2058-wk-Fact-9007EF7733AA38F11988F94C9C9FB2F8" name="us-gaap:NetCashProvidedByUsedInOperatingActivities" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">448,011</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2072-wk-Fact-7E4581B8FA647CDE9F23F94C9CDEB49A" name="us-gaap:NetCashProvidedByUsedInOperatingActivities" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">462,209</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2086-wk-Fact-A3EA35FD3A603104ECF3F94C9C9F9217" name="us-gaap:NetCashProvidedByUsedInOperatingActivities" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">661,832</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Investing activities:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Capital expenditures</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e2154-wk-Fact-96BB24299726BF04BCC4F94C9CDEF99D" name="us-gaap:PaymentsToAcquireProductiveAssets" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">341,382</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2169-wk-Fact-7E0CAE2A01287488648BF94C9CAF9F0F" name="us-gaap:PaymentsToAcquireProductiveAssets" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">388,183</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2184-wk-Fact-37CCCD63369BE19847E4F94C9CCE9577" name="us-gaap:PaymentsToAcquireProductiveAssets" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">536,832</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Net proceeds from sale or disposition of property and other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e2205-wk-Fact-2CCB81AA8AE50212E434F94C9C903492" name="us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">126,588</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2219-wk-Fact-975876D40081D011BB3FF94C9C9FD64A" name="us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">44,826</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2233-wk-Fact-29608BEE14455013FA94F94C9CDE59C1" name="us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">54,569</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Investments</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e2254-wk-Fact-43D8B8F6D14AC78AC9AFF94C9C9FBB03" name="us-gaap:PaymentsForProceedsFromInvestments" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,608</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2269-wk-Fact-9444EB0FF3EA3DB5BE75F94C9CCE1077" name="us-gaap:PaymentsForProceedsFromInvestments" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,396</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2284-wk-Fact-7EE9AFE0611D5F6E1646F94C9CDEEA4C" name="us-gaap:PaymentsForProceedsFromInvestments" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,515</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Net cash used in continuing operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e2304-wk-Fact-41BF2B674EF06A79C29AF94C9C80ADEC" name="us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">216,402</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2319-wk-Fact-55E8057E70DA6C38502DF94C9CBF5F5E" name="us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">344,753</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2334-wk-Fact-D61E74970FC8A78E85A2F94C9CBF7173" name="us-gaap:NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">480,748</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Net cash provided by discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e2355-wk-Fact-8BC832CE4A7DADE6127EF94C9CAF5E7A" name="us-gaap:CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,234</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2369-wk-Fact-B3FBC8F0ACAD40F445CDF94C9CCE790C" name="us-gaap:CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">39,658</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2383-wk-Fact-DA62A8B1E63943CC5D33F94C9CDE450B" name="us-gaap:CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">98,295</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Net cash used in investing activities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e2403-wk-Fact-82D35AEDB818BF479580F94C9CDE1C60" name="us-gaap:NetCashProvidedByUsedInInvestingActivities" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">214,168</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2418-wk-Fact-1DBBCFD774C63F0CACF7F94C9CDEC9FC" name="us-gaap:NetCashProvidedByUsedInInvestingActivities" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">305,095</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2433-wk-Fact-898035108B2AD41C468BF94C9CBF8F97" name="us-gaap:NetCashProvidedByUsedInInvestingActivities" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">382,453</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Financing activities:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Issuance of long-term debt</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e2502-wk-Fact-278D31F010C8CACE3F38F94C9CDEC188" name="us-gaap:ProceedsFromIssuanceOfLongTermDebt" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">140,812</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2516-wk-Fact-B124EB33E1657E407765F94C9CAF4B03" name="us-gaap:ProceedsFromIssuanceOfLongTermDebt" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">309,064</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2530-wk-Fact-163AB8658EF0BBB20AE2F94C9C904D03" name="us-gaap:ProceedsFromIssuanceOfLongTermDebt" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">345,920</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Repayment of long-term debt</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e2550-wk-Fact-35BC3CE6FF14CC6092C5F94C9CBF1F33" name="us-gaap:RepaymentsOfLongTermDebt" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">217,394</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2565-wk-Fact-80275545BE6D907BA5B0F94C9C80B435" name="us-gaap:RepaymentsOfLongTermDebt" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">315,647</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2580-wk-Fact-AAE12464DB9D1B27FBE6F94C9CDECF4F" name="us-gaap:RepaymentsOfLongTermDebt" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">566,498</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Proceeds from issuance of common stock</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e2601-wk-Fact-F0E00829EBB4903FB959F94C9CDEF0FD" name="us-gaap:ProceedsFromIssuanceOfCommonStock" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2615-wk-Fact-F6E7AECF811D6F3E966CF94C9CDE59FF" name="us-gaap:ProceedsFromIssuanceOfCommonStock" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2629-wk-Fact-A80C5EA8150C59D95357F94C9CBF8EA5" name="us-gaap:ProceedsFromIssuanceOfCommonStock" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">21,898</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Dividends paid</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e2649-wk-Fact-A893B6FCF548FA86DB3AF94C9C9FBBC9" name="us-gaap:PaymentsOfDividends" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">150,727</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2664-wk-Fact-7696E0F0E1D56C97A490F94C9CDE9848" name="us-gaap:PaymentsOfDividends" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">147,156</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2679-wk-Fact-891F1ABEBF2B3FAE9D41F94C9CBF2EEB" name="us-gaap:PaymentsOfDividends" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">142,835</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Redemption of preferred stock</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e2700-wk-Fact-8A0DCA462270C1DAC40FF94C9CAF6F86" name="us-gaap:PaymentsForRepurchaseOfPreferredStockAndPreferenceStock" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,600</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2715-wk-Fact-2650F2EDFE42E87B547961A4688D45CB" name="us-gaap:PaymentsForRepurchaseOfPreferredStockAndPreferenceStock" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2729-wk-Fact-F7EA99AD0A4C785EF36A61A4695862FE" name="us-gaap:PaymentsForRepurchaseOfPreferredStockAndPreferenceStock" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Repurchase of common stock</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e2749-wk-Fact-FE32FD445A5CB7C646B3F94C9CDE7A6C" name="us-gaap:PaymentsForRepurchaseOfCommonStock" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,684</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2764-wk-Fact-477BDBF84BB8D80F2896F94C9CDEC8B2" name="us-gaap:PaymentsForRepurchaseOfCommonStock" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2778-wk-Fact-FF3DE500DD684A6118FCF94C9CDEE9FA" name="us-gaap:PaymentsForRepurchaseOfCommonStock" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Tax withholding on stock-based compensation</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e2799-wk-Fact-88B698784ACF6FF6AE47F94C9CAF1064" name="us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">757</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2814-wk-Fact-3953D260291108C1CB9CF94C9CBF4FA1" name="us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">323</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2829-wk-Fact-EA0F87433493A02325C1F94C9CDE35ED" name="us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Net cash used in continuing operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e2849-wk-Fact-C5E2A3C5E398332082D7F94C9CDED5DF" name="us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">245,350</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2864-wk-Fact-78F601B0ADD5D1A362C2F94C9CDEC801" name="us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">154,062</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2879-wk-Fact-ABDBB74A38A876ADDAF5F94C9CCE2526" name="us-gaap:NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">341,515</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Net cash provided by (used in) discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e2900-wk-Fact-CD841475895FFFF9A4E2F94C9CBF6169" name="us-gaap:CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2914-wk-Fact-8E0420B444C62A682F08F94C9CBF03C4" name="us-gaap:CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">40,852</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e2929-wk-Fact-DEC75DE970AB12D3CC7DF94C9CDED424" name="us-gaap:CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">85,785</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Net cash used in financing activities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e2949-wk-Fact-393AD2A104FA068AB902F94C9CDEF933" name="us-gaap:NetCashProvidedByUsedInFinancingActivities" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">245,350</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2964-wk-Fact-E2023B8C83763730BC92F94C9C9F0374" name="us-gaap:NetCashProvidedByUsedInFinancingActivities" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">194,914</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e2979-wk-Fact-12EE5A1746CD5DE49A27F94C9CDEE254" name="us-gaap:NetCashProvidedByUsedInFinancingActivities" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">255,730</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Effect of exchange rate changes on cash and cash equivalents</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e3000-wk-Fact-2D29AF29AFE67139EA03F94C9C802E3C" name="us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e3015-wk-Fact-494FF7B4330CEE9E1E3FF94C9CDE7F43" name="us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e3029-wk-Fact-E065110D3A991EC9BFE7F94C9C9FE1B6" name="us-gaap:EffectOfExchangeRateOnCashAndCashEquivalents" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">225</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Increase (decrease) in cash and cash equivalents</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8021798e3050-wk-Fact-C69F382D30426516F17AF94C9CCE078C" name="us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">11,508</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span>(<ix:nonFraction id="d8021798e3065-wk-Fact-F66461489E52BEB1DF98F94C9CAFA440" name="us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">37,796</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e3080-wk-Fact-EC659220EBB1667B27A8F94C9CCE0BD1" name="us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">23,424</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Cash and cash equivalents - beginning of year</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e3100-wk-Fact-EEBB0C87472D0C07A013F94C9C9F41D1" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">46,107</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e3114-wk-Fact-25C5B6A33DC4F6AAD461F94C9C9F2291" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2015Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">83,903</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e3128-wk-Fact-B79225171E078E6C55B4F94C9C9F75FF" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2014Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">60,479</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Cash and cash equivalents - end of year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;"><span><ix:nonFraction id="d8021798e3153-wk-Fact-B5A9A0FDF40B8CC8C476F94C9C9F030E" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">34,599</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e3167-wk-Fact-EEBB0C87472D0C07A013F94C9C9F41D1" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">46,107</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><span><ix:nonFraction id="d8021798e3181-wk-Fact-25C5B6A33DC4F6AAD461F94C9C9F2291" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2015Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">83,903</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;font-style:italic;">The accompanying notes are an integral part of these consolidated financial statements.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">57</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s6F65FAE2ECB258E58FA32E0CFE87A94D"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Notes to Consolidated Financial Statements</span></div><div><a id="s9CB5F7CA6AA850089C9223C1BC64CA67"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">1</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> - <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:SignificantAccountingPoliciesTextBlock" id="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-0-wk-Fact-04D6E3D38A0B9E52EA41F94C9CAFDE7B" continuedAt="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-1" escape="true">Summary of Significant Accounting Policies</ix:nonNumeric></span></div><ix:continuation id="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-1" continuedAt="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-2"><div style="line-height:140%;padding-top:0px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Basis of presentation</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:BasisOfAccountingPolicyPolicyTextBlock" id="TextSelection-A97C1D6D27FE8E110732F94C9CED8352-0-wk-Fact-B842E0CE6F11EF5EE5F1F94C9CAFC1D8" continuedAt="TextSelection-A97C1D6D27FE8E110732F94C9CED8352-1" escape="true">The abbreviations and acronyms used throughout are defined following the Notes to Consolidated Financial Statements. The consolidated financial statements of the Company include the accounts of the following businesses: electric, natural gas distribution, pipeline and midstream, construction materials and contracting, construction services and other. The electric and natural gas distribution businesses, as well as a portion of the pipeline and midstream business, are regulated. Construction materials and contracting, construction services and the other businesses, as well as a portion of the pipeline and midstream business, are nonregulated. For further descriptions of the Company's businesses, see Note&#160;</ix:nonNumeric></span><ix:continuation id="TextSelection-A97C1D6D27FE8E110732F94C9CED8352-1" continuedAt="TextSelection-A97C1D6D27FE8E110732F94C9CED8352-2"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">13</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Intercompany balances and transactions have been eliminated in consolidation, except for certain transactions related to the Company's regulated operations in accordance with GAAP. The statements also include the ownership interests in the assets, liabilities and expenses of jointly owned electric generating facilities.</span></ix:continuation></div><ix:continuation id="TextSelection-A97C1D6D27FE8E110732F94C9CED8352-2" continuedAt="TextSelection-A97C1D6D27FE8E110732F94C9CED8352-3"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's regulated businesses are subject to various state and federal agency regulations. The accounting policies followed by these businesses are generally subject to the Uniform System of Accounts of the FERC. These accounting policies differ in some respects from those used by the Company's nonregulated businesses.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's regulated businesses account for certain income and expense items under the provisions of regulatory accounting, which requires these businesses to defer as regulatory assets or liabilities certain items that would have otherwise been reflected as expense or income, respectively, based on the expected regulatory treatment in future rates. The expected recovery or flowback of these deferred items generally is based on specific ratemaking decisions or precedent for each item. Regulatory assets and liabilities are being amortized consistently with the regulatory treatment established by the FERC and the applicable state public service commissions. See Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for more information regarding the nature and amounts of these regulatory deferrals.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Depreciation, depletion and amortization expense is reported separately on the Consolidated Statements of Income and therefore is excluded from the other line items within operating expenses.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Management has also evaluated the impact of events occurring after </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, up to the date of issuance of these consolidated financial statements.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December 22, 2017, President Trump signed into law the TCJA which includes lower corporate tax rates, repealing the domestic production deduction, disallowance of immediate expensing for regulated utility property and modifying or repealing many other business deductions and credits. In accordance with the accounting guidance on accounting for income taxes, entities must account for the effects of the change in tax laws or rates in the period of enactment. In the fourth quarter of 2017, the period of enactment, the Company performed a one-time revaluation of the net deferred tax liabilities to account for the reduction in the corporate tax rate from 35&#160;percent to 21&#160;percent effective January&#160;1, 2018. For more information on the impacts of the TCJA on the year ended December&#160;31, 2017, see Notes </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">11</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. The Company is currently reviewing the components of the TCJA and evaluating the impact on the Company's consolidated financial statements and related disclosures for 2018 and thereafter.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">As part of the Company's strategic plan to grow its capital investments while focusing on creating a greater long-term value and reducing the Company's risk by decreasing exposure to commodity prices, the Company completed the sales of substantially all of Fidelity's oil and and natural gas assets between October 2015 and April 2016 and Dakota Prairie Refining on June 27, 2016. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The assets and liabilities for the Company's discontinued operations have been classified as held for sale and the results of operations are shown in loss from discontinued operations, other than certain general and administrative costs and interest expense which do not meet the criteria for income (loss) from discontinued operations. At the time the assets were classified as held for sale, depreciation, depletion and amortization expense was no longer recorded. Unless otherwise indicated, the amounts presented in the accompanying notes to the consolidated financial statements relate to the Company's continuing operations. For more information on the Company's discontinued operations, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div></ix:continuation><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"><ix:continuation id="TextSelection-A97C1D6D27FE8E110732F94C9CED8352-3"></ix:continuation>Cash and cash equivalents</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:CashAndCashEquivalentsPolicyTextBlock" id="TextSelection-5A82E3496C6EBFB0DF0AF94C9CED5C84-0-wk-Fact-5275FFE10BD01E5D3A3BF94C9CAFB071" escape="true">The Company considers all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents.</ix:nonNumeric></span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Accounts receivable and allowance for doubtful accounts</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-D4012893B5C4DD5D9B62F94C9CED677A-0">Accounts receivable consists primarily of trade receivables from the sale of goods and services which are recorded at the invoiced amount net of allowance for doubtful accounts, and costs and estimated earnings in excess of billings on uncompleted contracts.</ix:continuation> For mo</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">58</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-2" continuedAt="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-3"><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">re information, see Percentage-of-completion method in this note. The total balance of receivables past due 90 days or more was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8077395e1269-wk-Fact-BF04F39F9FAB615150BBF94C9CCE2EB8" name="us-gaap:FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">34.7</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8077395e1273-wk-Fact-F71B42E22F4F50755D02F94C9CCEF7BC" name="us-gaap:FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing" contextRef="FI2016Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">29.2</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy" id="TextSelection-3277CD1C8CC37BAA553861B1FD78568C-0-wk-Fact-85A12BC5E58C0D267A7961B3A6F78A60" continuedAt="TextSelection-D4012893B5C4DD5D9B62F94C9CED677A-0" escape="true">The allowance for doubtful accounts is determined through a review of past due balances and other specific account data. Account balances are written off when management determines the amounts to be uncollectible. </ix:nonNumeric>The Company's allowance for doubtful accounts at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8077395e1299-wk-Fact-F1A69BD81770B26D56B1F94C9CCE8E16" name="us-gaap:AllowanceForDoubtfulAccountsReceivable" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">8.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8077395e1303-wk-Fact-674C4C22956008CA50B3F94C9CCE623B" name="us-gaap:AllowanceForDoubtfulAccountsReceivable" contextRef="FI2016Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">10.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Inventories and natural gas in storage</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:InventoryPolicyTextBlock" id="TextSelection-75FF16E1C5824A653783F94C9CED9BB3-0-wk-Fact-765A0ECBFEB28738E46EF94C9CCE9B2B" escape="true">Natural gas in storage for the Company's regulated operations is generally carried at lower of cost or net realizable value, or cost using the last-in, first-out method. All other inventories are stated at the lower of cost or net realizable value.</ix:nonNumeric> The portion of the cost of natural gas in storage expected to be used within one year was included in inventories. <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfInventoryCurrentTableTextBlock" id="TextSelection-86F15871E55A6583DB74F94C9CED6B75-0-wk-Fact-3D972B19C4CDE098B022F94C9CAF11F5" continuedAt="TextSelection-86F15871E55A6583DB74F94C9CED6B75-1" escape="true">Inventories at December&#160;31 consisted of:</ix:nonNumeric></span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><ix:continuation id="TextSelection-86F15871E55A6583DB74F94C9CED6B75-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"></td></tr><tr><td style="width:66%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Aggregates held for resale</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e1435-wk-Fact-A1DA42A6D0906DCC62AEF94C9CAF7A20" name="mdu:AggregatesHeldForResaleInventory" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">115,268</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e1449-wk-Fact-5872D1C761C02C79E112F94C9CAF12EE" name="mdu:AggregatesHeldForResaleInventory" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">115,471</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Asphalt oil</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e1464-wk-Fact-13F6789E260A014D1899F94C9CAF50B2" name="mdu:AsphaltOilInventory" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">30,360</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e1478-wk-Fact-C6AAD5D9FB6FA91F723CF94C9CAFA8A2" name="mdu:AsphaltOilInventory" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">29,103</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas in storage (current)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e1498-wk-Fact-9663BBBDC1885AA9A436F94C9CAF5E56" name="us-gaap:EnergyRelatedInventoryNaturalGasInStorage" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">20,950</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e1512-wk-Fact-F1EF1D835F79690B8523F94C9CAF9954" name="us-gaap:EnergyRelatedInventoryNaturalGasInStorage" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">25,761</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Materials and supplies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e1532-wk-Fact-89A6921F4C61C9A9F98DF94C9CAF23B5" name="us-gaap:InventoryRawMaterialsAndSupplies" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">18,650</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e1546-wk-Fact-15FB286A7FBE1D5E6223F94C9CAFDACB" name="us-gaap:InventoryRawMaterialsAndSupplies" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">18,372</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Merchandise for resale</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e1566-wk-Fact-578A131E290832469E2EF94C9CAFF577" name="us-gaap:InventoryFinishedGoods" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">14,905</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e1580-wk-Fact-C8FD9335A40FA9F957EEF94C9CAF8C7A" name="us-gaap:InventoryFinishedGoods" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">16,437</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e1600-wk-Fact-22BBF13A36D3CE797416F94C9CAF8D3F" name="us-gaap:OtherInventoryNetOfReserves" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">26,450</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e1614-wk-Fact-EC9272F6AF15364615DCF94C9CAF584C" name="us-gaap:OtherInventoryNetOfReserves" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">33,129</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e1639-wk-Fact-1F4183CEA6F02F3FA4ECF94C9C9F2303" name="us-gaap:InventoryNet" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">226,583</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e1653-wk-Fact-F9B8A57A8B3FE880BEF9F94C9CCED355" name="us-gaap:InventoryNet" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">238,273</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The remainder of natural gas in storage, which largely represents the cost of gas required to maintain pressure levels for normal operating purposes, was included in deferred charges and other assets - other and was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8077395e1670-wk-Fact-1C57A1178F05D5E1CFECF94C9CAF5F6F" name="us-gaap:InventoryGasInStorageUndergroundNoncurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">49.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8077395e1674-wk-Fact-5D7DDBAD611E14A7E513F94C9CCE7A87" name="us-gaap:InventoryGasInStorageUndergroundNoncurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">49.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Investments</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:InvestmentPolicyTextBlock" id="TextSelection-44559EDE09CCD40A0FFBF94C9CEDD36B-0-wk-Fact-EA97C0E6B1DD6C23FBEFF94C9CCE7E87" escape="true">The Company's investments include the cash surrender value of life insurance policies, an insurance contract, mortgage-backed securities and U.S. Treasury securities. The Company measures its investment in the insurance contract at fair value with any unrealized gains and losses recorded on the Consolidated Statements of Income. The Company has not elected the fair value option for its mortgage-backed securities and U.S. Treasury securities and, as a result, the unrealized gains and losses on these investments are recorded in accumulated other comprehensive income (loss).</ix:nonNumeric> For more information, see Notes&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">5</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Property, plant and equipment</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:PropertyPlantAndEquipmentPolicyTextBlock" id="TextSelection-B72D8024899EEAC4D25BF94C9CED1C12-0-wk-Fact-F65BAF3EA7AB33A5E27DF94C9CAF6138" escape="true">Additions to property, plant and equipment are recorded at cost. When regulated assets are retired, or otherwise disposed of in the ordinary course of business, the original cost of the asset is charged to accumulated depreciation. With respect to the retirement or disposal of all other assets, the resulting gains or losses are recognized as a component of income. The Company is permitted to capitalize AFUDC on regulated construction projects and to include such amounts in rate base when the related facilities are placed in service. In addition, the Company capitalizes interest, when applicable, on certain construction projects associated with its other operations. </ix:nonNumeric><ix:nonNumeric contextRef="FD2017Q4YTD" name="mdu:AfudcAndInterestCapitailizedTableTextBlock" id="TextSelection-06275677FBF70D22A73AF94C9CEDA5C4-0-wk-Fact-AC85213B59E277FF47BDF94C9CAFD617" continuedAt="TextSelection-06275677FBF70D22A73AF94C9CEDA5C4-1" escape="true">The amount of AFUDC and interest capitalized for the years ended December&#160;31 were as follows:</ix:nonNumeric></span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><ix:continuation id="TextSelection-06275677FBF70D22A73AF94C9CEDA5C4-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:49%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest capitalized</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e1874-wk-Fact-F4E36F5E91FD0F45FCD9F94C9CAF17FB" name="us-gaap:InterestCostsCapitalized" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e1888-wk-Fact-702BC15BFC7242DAF0DEF94C9CAF3CCD" name="us-gaap:InterestCostsCapitalized" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e1902-wk-Fact-926B9D5906880E1E5B37F94C9CAFD6C8" name="us-gaap:InterestCostsCapitalized" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,381</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">AFUDC - borrowed</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e1922-wk-Fact-DC4E6C006F42454DAFDFF94C9CAF33E6" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">966</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e1936-wk-Fact-B973860DA47F1420A8E2F94C9CAF8421" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">914</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e1950-wk-Fact-1EE956C70DF36706D631F94C9CAF124C" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,907</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">AFUDC - equity</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e1970-wk-Fact-39A05C59C913C37A4C75F94C9CAF84C0" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">909</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e1984-wk-Fact-7ABDDBAD8B6DB1A0BA27F94C9CAFB51A" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">565</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e1998-wk-Fact-E36D3775B9009959E339F94C9CAF673A" name="us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,971</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Generally, property, plant and equipment are depreciated on a straight-line basis over the average useful lives of the assets, except for depletable aggregate reserves, which are depleted based on the units-of-production method. The Company collects removal costs for plant assets in regulated utility rates. These amounts are recorded as regulatory liabilities, which are included in deferred credits and other liabilities - other. </span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">59</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-3" continuedAt="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-4"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:PropertyPlantAndEquipmentTextBlock" id="TextSelection-EEC6A44E352A09082074F94C9CED3BB8-0-wk-Fact-FF4F5198412286DC64D5F94C9CAFF499" continuedAt="TextSelection-EEC6A44E352A09082074F94C9CED3BB8-1" escape="true">Property, plant and equipment at December&#160;31 was as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-EEC6A44E352A09082074F94C9CED3BB8-1" continuedAt="TextSelection-EEC6A44E352A09082074F94C9CED3BB8-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"></td></tr><tr><td style="width:61%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Weighted</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Average</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Depreciable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Life in Years</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="8" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Dollars in thousands, where applicable)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulated:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Generation</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e2243-wk-Fact-046A311F0CDB0050B1C1F94C9CBFC286" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ElectricGenerationEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,034,765</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e2257-wk-Fact-A39B3B803E97DEE21C55F94C9CBF8CF4" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ElectricGenerationEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,036,373</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e2266-wk-Fact-5AA2278CB63A3F5D71E1F94C9CBFCCF0" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ElectricGenerationEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" format="ixt-sec:duryear">39</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e2281-wk-Fact-CDDA13DB180FFF141DFBF94C9CAFD895" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ElectricDistributionMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">415,543</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e2295-wk-Fact-A77E55727B0F5ACB8CDDF94C9C9F2F93" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ElectricDistributionMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">398,382</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e2309-wk-Fact-72DBFA38785284B6082AF94C9CBF0102" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ElectricDistributionMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" format="ixt-sec:duryear">44</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Transmission</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e2324-wk-Fact-563F66920F61BB873566F94C9CAF9B5C" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ElectricTransmissionMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">296,941</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e2338-wk-Fact-74D1C7F4DA766FC35D4EF94C9CAFFD37" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ElectricTransmissionMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">284,048</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e2352-wk-Fact-90EEE765ACDD9DCFA7C8F94C9CBF5A30" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ElectricTransmissionMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" format="ixt-sec:duryear">57</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction in progress</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e2367-wk-Fact-499740BD9C4B47E74C23F94C9CAF6B47" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ConstructionInProgressMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">117,906</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e2381-wk-Fact-DE469CF8648C356F6E0BF94C9CBF8E72" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ConstructionInProgressMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">62,212</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e2410-wk-Fact-02EDAA8BDAF6737E8489F94C9CAF359C" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">117,109</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e2424-wk-Fact-49EFC96B9BFFA57C8A13F94C9CBF16A0" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">107,598</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e2438-wk-Fact-E299115D15C855D33F62F94C9CBFE59A" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" format="ixt-sec:duryear">15</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e2499-wk-Fact-8E01FF4EB882F115A5DEF94C9CAF301F" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_GasDistributionMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,831,795</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e2513-wk-Fact-2C8151C6C1B012B8DCCDF94C9CAFB629" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_GasDistributionMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,718,633</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e2527-wk-Fact-9EACE77E4791E6EE930FF94C9CBF2387" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_GasDistributionMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" format="ixt-sec:duryear">47</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction in progress</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e2543-wk-Fact-80C23D1332CC9057722CF94C9CAF7DAD" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ConstructionInProgressMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">19,823</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e2557-wk-Fact-893140740258367567B1F94C9C9F1B79" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ConstructionInProgressMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">19,934</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e2586-wk-Fact-A941E6E1B57FF3E82934F94C9CBFA52D" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">468,227</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e2600-wk-Fact-E9E44B54681F5810014DF94C9CBF8917" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">440,846</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e2614-wk-Fact-0B1E95A4B3BDE9634B54F94C9CBFBFD8" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" format="ixt-sec:duryear">18</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Transmission</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e2675-wk-Fact-E72842383BEEAECCCB3EF94C9CBFB4B5" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_GasTransmissionMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">516,932</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e2689-wk-Fact-AFCED81C3C215D3804B7F94C9CBF4BE4" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_GasTransmissionMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">490,143</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e2703-wk-Fact-D85B113CCE7BD2A30A81F94C9CBF0C0F" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_GasTransmissionMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" format="ixt-sec:duryear">53</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Gathering</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e2718-wk-Fact-BC36BC77616647D18AA0F94C9CBFBB1C" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_GasGatheringAndProcessingEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">37,837</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e2732-wk-Fact-13B010AAB20F8996D0C7F94C9CAF7704" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_GasGatheringAndProcessingEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">37,831</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e2746-wk-Fact-D937D8AC0FAF5E974A77F94C9CBFA2BF" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_GasGatheringAndProcessingEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" format="ixt-sec:duryear">20</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Storage</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e2761-wk-Fact-53E0A45A17C5F5A6EA35F94C9CAFAAEB" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_mdu_GasStorageMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">45,629</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e2775-wk-Fact-62452371416BCD0D0830F94C9CAF3418" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_mdu_GasStorageMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">45,350</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e2789-wk-Fact-C1FBA209AFC4BDAEA01EF94C9CAFB60B" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_mdu_GasStorageMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" format="ixt-sec:duryear">62</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction in progress</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e2804-wk-Fact-5470EF543ED42308471EF94C9CBF71EB" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ConstructionInProgressMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">17,488</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e2818-wk-Fact-56F65802D3B3FA8BCF1FF94C9CBFD232" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ConstructionInProgressMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">16,507</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e2847-wk-Fact-112088AD13EBD3AA0803F94C9CBF04A6" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">41,054</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e2861-wk-Fact-04755DE6D74BCE335D40F94C9CBFFE9B" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">40,873</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e2875-wk-Fact-951A8F5B0A1267745447F94C9CAF7DDF" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" format="ixt-sec:duryear">33</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonregulated:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Gathering and processing</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e2982-wk-Fact-63189E7FBF7B8F18BDAFF94C9CAF88A4" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_mdu_GatheringandprocessingMemberDomain_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">31,678</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e2996-wk-Fact-0E7D4A7E43E3E54AF1F2F94C9CBF0216" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_mdu_GatheringandprocessingMemberDomain_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">31,682</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e3010-wk-Fact-6623AA6214D029961839F94C9CBF0703" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_mdu_GatheringandprocessingMemberDomain_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" format="ixt-sec:duryear">19</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction in progress</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e3026-wk-Fact-F41008F31FD3CECC946BF94C9CAF7A43" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ConstructionInProgressMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">17</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e3040-wk-Fact-B3CC42BB51CCB782D8A3F94C9CBFADF2" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ConstructionInProgressMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e3069-wk-Fact-275530B227ED0A029AF5F94C9CAF99ED" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,649</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e3083-wk-Fact-566ECE75000379593E2FF94C9CBFBAB2" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,800</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e3097-wk-Fact-78D704918A06C3AC1009F94C9C9F377C" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" format="ixt-sec:duryear">10</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Land</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e3158-wk-Fact-EDE29F92AC1844D00F5FF94C9CBFA3AF" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_LandMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">95,745</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e3172-wk-Fact-097603711E7C11A02D3EF94C9CAFC137" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_LandMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">94,625</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Buildings and improvements</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e3201-wk-Fact-9EE751B74D29EEA7CC63F94C9CAFE31F" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_BuildingAndBuildingImprovementsMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">102,435</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e3215-wk-Fact-4760BE4B705653C4AA4FF94C9CBFAF0C" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_BuildingAndBuildingImprovementsMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">102,347</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e3229-wk-Fact-8AF9FE6623A2164F99E9F94C9CBF9D2B" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_BuildingAndBuildingImprovementsMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" format="ixt-sec:duryear">20</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Machinery, vehicles and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e3244-wk-Fact-57A15DD2E71F659C384BF94C9CBF587F" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_MachineryAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">947,979</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e3258-wk-Fact-F5ABE16F60FDC8175F9AF94C9CAF1042" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_MachineryAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">930,471</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e3272-wk-Fact-7095AEE7855CD31123F5F94C9CAFDBD0" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_MachineryAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" format="ixt-sec:duryear">12</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction in progress</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e3287-wk-Fact-38F02CE08A04D516D10DF94C9CAF96E3" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ConstructionInProgressMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,750</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e3301-wk-Fact-E695EDB56624504A3E48F94C9C9FEEA8" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ConstructionInProgressMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">16,181</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Aggregate reserves</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e3330-wk-Fact-7EBF4C81D7D5845932C6F94C9CAFAF7B" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_mdu_AggregateReservesMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">406,139</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e3344-wk-Fact-E7857C577B95B91A1448F94C9C9FB08E" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_mdu_AggregateReservesMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">405,751</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">*</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Land</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e3419-wk-Fact-8FAE929387DB019FB68CF94C9CAF5517" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_LandMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,216</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e3433-wk-Fact-39F5262F66D8C4F133F1F94C9CAF228B" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_LandMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,346</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Buildings and improvements</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e3462-wk-Fact-599416BD4CCA2A1C5B1DF94C9C9F2054" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_BuildingAndBuildingImprovementsMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">27,351</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e3476-wk-Fact-19626BA270255447EB90F94C9CBF7ECB" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_BuildingAndBuildingImprovementsMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">26,693</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e3490-wk-Fact-8E559194696847345C6EF94C9CAFB58A" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_BuildingAndBuildingImprovementsMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" format="ixt-sec:duryear">25</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Machinery, vehicles and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e3506-wk-Fact-40A3AEEA2BF27008B8D0F94C9C9F99BF" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_MachineryAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">137,924</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e3520-wk-Fact-58A8E48AA2BBB1F2BBFDF94C9CBFDD8C" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_MachineryAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">132,217</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e3534-wk-Fact-7EEC27CF76C097FDE071F94C9CAFB269" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_MachineryAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" format="ixt-sec:duryear">6</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e3549-wk-Fact-A71766DBFCD6B6C1A3B3F94C9CAFECD1" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,774</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e3563-wk-Fact-68B5F3E1883D7F1A5729F94C9CAFD6E1" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,105</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e3577-wk-Fact-952C736E6D566ED0844EF94C9C9FA08E" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" format="ixt-sec:duryear">4</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Land</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e3638-wk-Fact-4D180EF1E08DE252AC0CF94C9CAFF31F" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_LandMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,837</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e3652-wk-Fact-411212005A16990C99ECF94C9CBF7D58" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_LandMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,837</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e3681-wk-Fact-2236579881C4733F70C8F94C9CBFCF6B" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">28,286</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e3695-wk-Fact-514D06331DFA164B713BF94C9CBF7E7A" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">46,431</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8077395e3709-wk-Fact-50614370577E9D6A43F1F94C9CBF5B88" name="us-gaap:PropertyPlantAndEquipmentUsefulLife" contextRef="FD2017Q4YTD_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" format="ixt-sec:duryear">19</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e3724-wk-Fact-A755BAAF374B3037AEF0F94C9CAFB436" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,691,641</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e3738-wk-Fact-D332D5A205B4C1F18105F94C9CAF3471" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,578,902</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net property, plant and equipment</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e3773-wk-Fact-C5B30ECAB0279FDBDCD6F94C9CCE6A09" name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,079,188</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e3787-wk-Fact-F7EA35E09FACBD4879C1F94C9C90606C" name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,931,327</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></ix:continuation></div><ix:continuation id="TextSelection-EEC6A44E352A09082074F94C9CED3BB8-2" continuedAt="TextSelection-EEC6A44E352A09082074F94C9CED3BB8-3"><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-4AE12D7E9BE03F6E7B58F94C9CEDD05A-0-wk-Footnote-4AE12D7E9BE03F6E7B58F94C9CEDD05A_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" continuedAt="TextSelection-4AE12D7E9BE03F6E7B58F94C9CEDD05A-1">Depleted on the units-of-production method based on recoverable aggregate reserves.</ix:footnote></span></div></td></tr></table><ix:continuation id="TextSelection-4AE12D7E9BE03F6E7B58F94C9CEDD05A-1" continuedAt="TextSelection-4AE12D7E9BE03F6E7B58F94C9CEDD05A-2"><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></ix:continuation></ix:continuation><div style="line-height:140%;padding-top:10px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"><ix:continuation id="TextSelection-4AE12D7E9BE03F6E7B58F94C9CEDD05A-2"><ix:continuation id="TextSelection-EEC6A44E352A09082074F94C9CED3BB8-3"></ix:continuation></ix:continuation>Impairment of long-lived assets</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" id="TextSelection-F6D5BC793DF0AC0D28F4F94C9CEDFFEF-0-wk-Fact-E305BC798B4A22C00193F94C9CCE38AC" escape="true">The Company reviews the carrying values of its long-lived assets, excluding goodwill and assets held for sale, whenever events or changes in circumstances indicate that such carrying values may not be recoverable. The determination of whether an impairment has occurred is based on an estimate of undiscounted future cash flows attributable to the assets, compared to the carrying value of the assets. If impairment has occurred, the amount of the impairment recognized is determined by estimating the fair value of the assets and recording a loss if the carrying value is greater than the fair value. </ix:nonNumeric>In the third quarter of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company recognized an impairment of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8077395e3885-wk-Fact-FB5747015D96F091F30CF94C9CAF4615" name="us-gaap:AssetImpairmentCharges" contextRef="FD2015Q3QTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">14.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (before tax), largely related to the sale of certain non-strategic natural gas gathering assets that were written down to their estimated fair value that was determined using the market approach. 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The coalbed natural gas gathering assets were </span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">60</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-4" continuedAt="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-5"><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">written down to their estimated fair value that was determined using the income approach. The impairments are recorded in operation and maintenance expense on the Consolidated Statements of Income. For more information on these nonrecurring fair value measurements, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">5</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">No significant impairment losses were recorded in 2016 or 2017, other than those related to the Company's assets held for sale and discontinued operations. 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For the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, there were no significant impairment losses recorded. At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the fair value substantially exceeded the carrying value at all reporting units. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Determining the fair value of a reporting unit requires judgment and the use of significant estimates which include assumptions about the Company's future revenue, profitability and cash flows, amount and timing of estimated capital expenditures, inflation rates, weighted average cost of capital, operational plans, and current and future economic conditions, among others. The fair value of each reporting unit is determined using a weighted combination of income and market approaches. The Company uses a discounted cash flow methodology for its income approach. Under the income approach, the discounted cash flow model determines fair value based on the present value of projected cash flows over a specified period and a residual value related to future cash flows beyond the projection period. Both values are discounted using a rate which reflects the best estimate of the weighted average cost of capital at each reporting unit. 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Under the market approach, the Company estimates fair value using multiples derived from comparable sales transactions and enterprise value to EBITDA for comparative peer companies for each respective reporting unit. These multiples are applied to operating data for each reporting unit to arrive at an indication of fair value. In addition, the Company adds a reasonable control premium when calculating the fair value utilizing the peer multiples, which is estimated as the premium that would be received in a sale in an orderly transaction between market participants. The Company believes that the estimates and assumptions used in its impairment assessments are reasonable and based on available market information.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Revenue recognition</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:RevenueRecognitionPolicyTextBlock" id="TextSelection-8B009B33D92D721165F8F94C9CED0BD7-0-wk-Fact-2B47A0FD41C54C720421F94C9CAF9818" escape="true">Revenue is recognized when the earnings process is complete, as evidenced by an agreement between the customer and the Company, when delivery has occurred or services have been rendered, when the fee is fixed or determinable and when collection is reasonably assured. The Company recognizes utility revenue each month based on the services provided to all utility customers during the month. 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The Company recognizes construction contract revenue at its construction businesses using the&#160;percentage-of-completion method as discussed later. The Company recognizes all other revenues when services are rendered or goods are delivered. 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If a loss is anticipated on a contract, the loss is immediately recognized. </ix:nonNumeric></span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">61</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-5" continuedAt="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-6"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-CDA435D973AD6FAA1E8CF94C9CEDA206-1">Costs and estimated earnings in excess of billings on uncompleted contracts represent revenues recognized in excess of amounts billed and were included in receivables, net. Billings in excess of costs and estimated earnings on uncompleted contracts represent billings in excess of revenues recognized and were included in accounts payable. </ix:continuation><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:CostsInExcessOfBillingsAndBillingsInExcessOfCostsTableTextBlock" id="TextSelection-9582E88FFB8FBC60FE1AF94C9CED71BD-0-wk-Fact-E983C78F3563630F36E4F94C9CAFB26C" continuedAt="TextSelection-9582E88FFB8FBC60FE1AF94C9CED71BD-1" escape="true">Costs and estimated earnings in excess of billings and billings in excess of costs and estimated earnings on uncompleted contracts at December&#160;31 were as follows:</ix:nonNumeric></span></div><ix:continuation id="TextSelection-9582E88FFB8FBC60FE1AF94C9CED71BD-1" continuedAt="TextSelection-9582E88FFB8FBC60FE1AF94C9CED71BD-2"><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" 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Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Costs and estimated earnings in excess of billings on uncompleted contracts</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e4169-wk-Fact-B312044B654D5050F991F94C9CAF1CEF" name="us-gaap:CostsInExcessOfBillingsOnUncompletedContractsOrPrograms" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">109,541</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e4183-wk-Fact-32DB3B5C1BC25DA96CC6F94C9CAFC74E" name="us-gaap:CostsInExcessOfBillingsOnUncompletedContractsOrPrograms" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">64,558</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Billings in excess of costs and estimated earnings on uncompleted contracts</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e4203-wk-Fact-1F10AF0F33CE17E39EBAF94C9CAFFE8E" name="us-gaap:BillingsInExcessOfCost" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">84,123</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e4217-wk-Fact-9893F45856986A56E726F94C9CAF9DA8" name="us-gaap:BillingsInExcessOfCost" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">64,832</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Amounts representing balances billed but not paid by customers under retainage provisions in contracts at December&#160;31 were as follows: </span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"></td></tr><tr><td style="width:74%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Short-term retainage*</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e4326-wk-Fact-0EB7F507B617906D4981F94C9CAF210E" name="us-gaap:ContractReceivableRetainageDueOneYearOrLess" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">57,134</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e4340-wk-Fact-D2D2062F454043B817D9F94C9CAFFA0E" name="us-gaap:ContractReceivableRetainageDueOneYearOrLess" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">45,109</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term retainage**</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e4355-wk-Fact-5CC2BBD419E48CB5761AF94C9CAFF981" name="us-gaap:ContractReceivableRetainageDueAfterOneYear" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,410</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e4369-wk-Fact-BD62B45F76FB5191A69BF94C9CAF4069" name="us-gaap:ContractReceivableRetainageDueAfterOneYear" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,506</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total retainage</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e4394-wk-Fact-9C8F656E376A4F035D79F94C9CAF0541" name="us-gaap:ContractReceivableRetainage" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">58,544</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e4408-wk-Fact-DF1B7E718DFAE5CD4827F94C9CAFB132" name="us-gaap:ContractReceivableRetainage" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">46,615</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:6px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-8E2F5F77FDBC4B12CF0FF94C9CED1022-0-wk-Footnote-8E2F5F77FDBC4B12CF0FF94C9CED1022_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Expected to be paid within one year or less and included in receivables, net.</ix:footnote></span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">**</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-DAC993317F9302DDFEE9F94C9CED6EBA-0-wk-Footnote-DAC993317F9302DDFEE9F94C9CED6EBA_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Included in deferred charges and other assets - other.</ix:footnote></span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></ix:continuation><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"><ix:continuation id="TextSelection-9582E88FFB8FBC60FE1AF94C9CED71BD-2"></ix:continuation>Asset retirement obligations</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:AssetRetirementObligationsPolicy" id="TextSelection-AC625FBA3D33FD5E96F7F94C9CED35A1-0-wk-Fact-0458E65A3FF1541241E4F94C9CAF543A" escape="true">The Company records the fair value of a liability for an asset retirement obligation in the period in which it is incurred. When the liability is initially recorded, the Company capitalizes a cost by increasing the carrying amount of the related long-lived asset. Over time, the liability is accreted to its present value each period, and the capitalized cost is depreciated over the useful life of the related asset. Upon settlement of the liability, the Company either settles the obligation for the recorded amount or incurs a gain or loss at its nonregulated operations or incurs a regulatory asset or liability at its regulated operations. </ix:nonNumeric>For more information on asset retirement obligations, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">7</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Legal costs</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:LegalCostsPolicyTextBlock" id="TextSelection-BAB169BBB0C2380DC327F94C9CED92D3-0-wk-Fact-D7C43C99CB18112823ABF94C9CCEA4DF" escape="true">The Company expenses external legal fees as they are incurred.</ix:nonNumeric></span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Natural gas costs recoverable or refundable through rate adjustments</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="mdu:NaturalGasCostsRecoverableOrRefundableThroughRateAdjustmentsPolicyTextBlock" id="TextSelection-6E1DFF0F3286E069053EF94C9CED3893-0-wk-Fact-1CF5E7D21ADB71099630F94C9CAFB597" escape="true">Under the terms of certain orders of the applicable state public service commissions, the Company is deferring natural gas commodity, transportation and storage costs that are greater or less than amounts presently being recovered through its existing rate schedules. Such orders generally provide that these amounts are recoverable or refundable through rate adjustments which are filed annually. </ix:nonNumeric>Natural gas costs refundable through rate adjustments were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8077395e4544-wk-Fact-6FA352A44403BADE5645F94C9CAF75F4" name="us-gaap:RefundableGasCosts" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">28.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8077395e4548-wk-Fact-E409880031B956A70290F94C9CAFAC76" name="us-gaap:RefundableGasCosts" contextRef="FI2016Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">25.6</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, which is included in other accrued liabilities. Natural gas costs recoverable through rate adjustments were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8077395e4560-wk-Fact-07D55D553D0251775972F94C9CCEDD1C" name="us-gaap:DeferredGasCost" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">14.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8077395e4565-wk-Fact-64B9A5B9212750B9C91EF94C9CCE939C" name="us-gaap:DeferredGasCost" contextRef="FI2016Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">2.2</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, which is included in prepayments and other current assets.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Stock-based compensation</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ShareBasedCompensationOptionAndIncentivePlansPolicy" id="TextSelection-5468B08659D632104FB94E5FA52C9FAF-0-wk-Fact-92BC48489D6034210C894E61390EBDE9" escape="true">The Company records the compensation expense for performance share awards using an estimated forfeiture rate. The estimated forfeiture rate is calculated based on an average of actual historical forfeitures. The Company also preforms an analysis of any known factors at the time of the calculation to identify any necessary adjustments to the average historical forfeiture rate. At the time actual forfeitures become more than estimated forfeitures, the Company records compensation expense using actual forfeitures.</ix:nonNumeric></span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Income taxes</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:IncomeTaxPolicyTextBlock" id="TextSelection-CDB8F03D6E555DF974BEF94C9CED4BD4-0-wk-Fact-DBFACA949AE993995221F94C9CCE50FB" continuedAt="TextSelection-CDB8F03D6E555DF974BEF94C9CED4BD4-1" escape="true">The Company provides deferred federal and state income taxes on all temporary differences between the book and tax basis of the Company's assets and liabilities by using enacted tax rates in effect for the year in which the differences are expected to reverse. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income in the period that includes the enactment date. Excess deferred income tax balances associated with the Company's rate-regulated activities have been recorded as a regulatory liability and are included in other liabilities. These regulatory liabilities are expected to be reflected as a reduction in future rates charged to customers in accordance with applicable regulatory procedures.</ix:nonNumeric></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-CDB8F03D6E555DF974BEF94C9CED4BD4-1">The Company uses the deferral method of accounting for investment tax credits and amortizes the credits on regulated electric and natural gas distribution plant over various periods that conform to the ratemaking treatment prescribed by the applicable state public service commissions.</ix:continuation></span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">62</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-6" continuedAt="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-7"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:IncomeTaxUncertaintiesPolicy" id="TextSelection-7DE94BA6569E8AB391759180E3A2E287-0-wk-Fact-211CAF9230114AE14BD591811AE8F88C" continuedAt="TextSelection-7DE94BA6569E8AB391759180E3A2E287-1" escape="true">The Company records uncertain tax positions in accordance with accounting guidance on accounting for income taxes on the basis of a two-step process in which (1) the Company determines whether it is more-likely-than-not that the tax position will be sustained on the basis of the technical merits of the position and (2) for those tax positions that meet the more-likely than-not recognition threshold, the Company recognizes the largest amount of the tax benefit that is more than </ix:nonNumeric></span><ix:continuation id="TextSelection-7DE94BA6569E8AB391759180E3A2E287-1" continuedAt="TextSelection-7DE94BA6569E8AB391759180E3A2E287-2"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8077395e4619-wk-Fact-46B12F004625C3F6323271DB55D22D63" name="mdu:ThresholdOfLikelihoodOfTaxPositionsBeingRealizedUponUltimateSettlementWithTaxingAuthority" contextRef="FD2017Q4YTD" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">50</ix:nonFraction> percent</span></span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-7DE94BA6569E8AB391759180E3A2E287-2"> likely to be realized upon ultimate settlement with the related tax authority. Tax positions that do not meet the more-likely-than-not criteria are reflected as a tax liability. The Company recognizes interest and penalties accrued related to unrecognized tax benefits in income taxes. </ix:continuation></span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Earnings (loss) per common share</span></div><div style="line-height:140%;padding-top:0px;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:EarningsPerSharePolicyTextBlock" id="TextSelection-0CB64385C316C039A4FBF94C9CED5607-0-wk-Fact-D32EEC4E9DF89B8B84EDF94C9CAF8130" escape="true">Basic earnings (loss) per common share were computed by dividing earnings (loss) on common stock by the weighted average number of shares of common stock outstanding during the year. Diluted earnings (loss) per common share were computed by dividing earnings (loss) on common stock by the total of the weighted average number of shares of common stock outstanding during the year, plus the effect of nonvested performance share awards.</ix:nonNumeric> Common stock outstanding includes issued shares less shares held in treasury. Earnings (loss) on common stock was the same for both the basic and diluted earnings (loss) per share calculations. <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfWeightedAverageNumberOfSharesTableTextBlock" id="TextSelection-83F059024F1837B2431DF94C9CEDA8F9-0-wk-Fact-B29FBDAFE4BDD0129A1DF94C9CCEE0DF" continuedAt="TextSelection-83F059024F1837B2431DF94C9CEDA8F9-1" escape="true">A reconciliation of the weighted average common shares outstanding used in the basic and diluted earnings (loss) per share calculation was as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-83F059024F1837B2431DF94C9CEDA8F9-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"></td></tr><tr><td style="width:61%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average common shares outstanding - basic</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e4763-wk-Fact-429334963C4C521E0CA1F94C9C90F592" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="FD2017Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,304</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e4772-wk-Fact-EC7B93EA0600A8DDF7E9F94C9CBF121E" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="FD2016Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,299</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e4781-wk-Fact-697C93EA988CBBC1ACDBF94C9CBFEC74" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="FD2015Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">194,928</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Effect of dilutive performance share awards</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e4796-wk-Fact-B16890FEE396AAAA584FF94C9CAF6A1D" name="us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment" contextRef="FD2017Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">383</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e4805-wk-Fact-78C957E70EBB715F77E8F94C9C90B3EF" name="us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment" contextRef="FD2016Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">319</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e4814-wk-Fact-AD90016B392402456948F94C9CDE1140" name="us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment" contextRef="FD2015Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">58</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average common shares outstanding - diluted</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e4829-wk-Fact-6D208A1BB3DFFA194EF5F94C9CBF8592" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="FD2017Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,687</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e4838-wk-Fact-B4ABFB3B07F4DE44CD54F94C9CBFBB7C" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="FD2016Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,618</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e4847-wk-Fact-AF9A6C0CFD36267343C2F94C9CAFD7A8" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="FD2015Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">194,986</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Shares excluded from the calculation of diluted earnings per share</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e4862-wk-Fact-909AC46B74DA47730B3DF94C9CAFF206" name="us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" contextRef="FD2017Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e4871-wk-Fact-1D0996DE5C625E6B884CF94C9CAFCE8D" name="us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" contextRef="FD2016Q4YTD" unitRef="shares" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e4880-wk-Fact-113D1F0270692CCC31E7F94C9CBF7805" name="us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" contextRef="FD2015Q4YTD" unitRef="shares" decimals="-3" scale="3" 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requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Estimates are used for items such as long-lived assets and goodwill; fair values of acquired assets and liabilities under the acquisition method of accounting; aggregate reserves; property depreciable lives; tax provisions; uncollectible accounts; environmental and other loss contingencies; accumulated provision for revenues subject to refund; costs on construction contracts; unbilled revenues; actuarially determined benefit costs; asset retirement obligations; and the valuation of stock-based compensation. As additional information becomes available, or actual amounts are determinable, the recorded estimates are revised. Consequently, operating results can be affected by revisions to prior accounting estimates.</ix:nonNumeric></span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">New accounting standards</span></div><div style="line-height:140%;padding-top:0px;font-size:9.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:9.5pt;color:#000000;font-weight:bold;">Recently adopted accounting standards</span></div><div style="line-height:140%;padding-top:0px;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock" id="TextSelection-C7AC82763C266F509F07F94C9CED2BB2-0-wk-Fact-7BF07A5E3B7F5CEA0B10F94C9CAF5E9E" continuedAt="TextSelection-C7AC82763C266F509F07F94C9CED2BB2-1" escape="true">Simplifying the Measurement of Inventory</ix:nonNumeric></span><ix:continuation id="TextSelection-C7AC82763C266F509F07F94C9CED2BB2-1" continuedAt="TextSelection-C7AC82763C266F509F07F94C9CED2BB2-2"><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In July 2015, the FASB issued guidance regarding inventory that is measured using the first-in, first-out or average cost method. The guidance does not apply to inventory measured using the last-in, first-out or the retail inventory method. The guidance requires inventory within its scope to be measured at the lower of cost or net realizable value, which is the estimated selling price in the normal course of business less reasonably predictable costs of completion, disposal and transportation. These amendments more closely align GAAP with IFRS. The Company adopted the guidance on January&#160;1, 2017, on a prospective basis. The guidance did not have a material effect on the Company's results of operations, financial position, cash flows or disclosures.</span></ix:continuation></div><ix:continuation id="TextSelection-C7AC82763C266F509F07F94C9CED2BB2-2" continuedAt="TextSelection-C7AC82763C266F509F07F94C9CED2BB2-3"><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Improvements to Employee Share-Based Payment Accounting</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> In March 2016, the FASB issued guidance regarding simplification of several aspects of the accounting for share-based payment transactions. The guidance affects the income tax consequences, classification of awards as either equity or liabilities, classification on the statement of cash flows and calculation of dilutive shares. The Company adopted the guidance on January 1, 2017. All amendments in the guidance that apply to the Company were adopted on a prospective basis resulting in no adjustments being made to retained earnings. The adoption of the guidance impacted the Consolidated Statement of Income and the Consolidated Balance Sheet in the first quarter of 2017 due to the taxes related to the stock-based compensation award that vested in February 2017 being recognized as income tax expense as compared to a reduction to additional paid-in capital under the previous guidance. Adoption of the guidance also increased the number of shares included in the diluted earnings per share calculation due to the exclusion of tax benefits in the incremental shares calculation. The change in the weighted average common shares outstanding - diluted did not result in a material effect on the earnings per common share - diluted.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></ix:continuation></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">63</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-C7AC82763C266F509F07F94C9CED2BB2-3" continuedAt="TextSelection-C7AC82763C266F509F07F94C9CED2BB2-4"><ix:continuation id="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-7" continuedAt="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-8"><div style="line-height:140%;padding-top:14px;font-size:9.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:9.5pt;color:#000000;font-weight:bold;">Recently issued accounting standards not yet adopted</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Revenue from Contracts with Customers</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> In May 2014, the FASB issued guidance on accounting for revenue from contracts with customers. The guidance provides for a single comprehensive model for entities to use in accounting for revenue arising from contracts with customers and supersedes most current revenue recognition guidance, including industry specific guidance. In August 2015, the FASB issued guidance deferring the effective date of the revenue guidance and allowing entities to early adopt. With this decision, the guidance was effective for the Company on January&#160;1, 2018. Entities had the option of using either a full retrospective or modified retrospective approach to adopting the guidance. Under the modified retrospective approach, an entity recognizes the cumulative effect of initially applying the guidance with an adjustment to the opening balance of retained earnings in the period of adoption. </span></div><div style="line-height:140%;padding-bottom:10px;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company adopted the guidance on January&#160;1, 2018, using the modified retrospective approach. The Company has substantially completed the evaluation of contracts and methods of revenue recognition under the previous accounting guidance and has not identified any material cumulative effect adjustments to be made to retained earnings. In addition, the Company will have expanded revenue disclosures, both quantitatively and qualitatively, related to the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers in the first quarter of 2018. The Company has reviewed substantially all of its revenue streams to evaluate the impact of this guidance and does not anticipate a significant change in the timing of revenue recognition, results of operations, financial position or cash flows. The Company reviewed its internal controls related to revenue recognition and disclosures and concluded that the guidance impacts certain business processes and controls. As such, the Company has developed modifications to its internal controls for certain topics under the guidance as they apply to the Company and such modifications were not deemed to be significant.</span></div><div style="line-height:140%;padding-top:14px;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Recognition and Measurement of Financial Assets and Financial Liabilities</span><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In January&#160;2016, the FASB issued guidance regarding the classification and measurement of financial instruments. The guidance revises the way an entity classifies and measures investments in equity securities, the presentation of certain fair value changes for financial liabilities measured at fair value and amends certain disclosure requirements related to the fair value of financial instruments. This guidance was effective for the Company on January&#160;1, 2018. The guidance was to be applied using a modified retrospective approach with the exception of equity securities without readily determinable fair values which should be applied prospectively. The Company continues to evaluate the effects the adoption of the new guidance will have on its results of operations, financial position, cash flows and disclosures and does not anticipate a material impact.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Classification of Certain Cash Receipts and Cash Payments </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In August 2016, the FASB issued guidance to clarify the classification of certain cash receipts and payments in the statement of cash flows. The guidance is intended to standardize the presentation and classification of certain transactions, including cash payments for debt prepayment or extinguishment, proceeds from insurance claim settlements and distributions from equity method investments. In addition, the guidance clarifies how to classify transactions that have characteristics of more than one class of cash flows. The Company adopted the guidance on January&#160;1, 2018, on a prospective basis. The Company does not anticipate the guidance to have a material effect on its future results of operations, financial position, cash flows and disclosures.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Clarifying the Definition of a Business </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In January 2017, the FASB issued guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions or disposals of assets or businesses. The guidance provides a screen to determine when an integrated set of assets and activities is not a business. The guidance also affects other aspects of accounting, such as determining reporting units for goodwill testing and whether an entity has acquired or sold a business. The Company adopted the guidance on January&#160;1, 2018, on a prospective basis. The Company does not anticipate the guidance to have a material effect on its future results of operations, financial position, cash flows and disclosures.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In March 2017, the FASB issued guidance to improve the presentation of net periodic pension cost and net periodic postretirement benefit cost. The guidance requires the service cost component to be presented in the income statement in the same line item or items as other compensation costs arising from services performed during the period. Other components of net benefit costs shall be presented in the income statement separately from the service cost component and outside a subtotal of income from operations. The guidance also allows only the service cost component to be eligible for capitalization. The guidance was effective for the Company on January&#160;1, 2018, including interim periods, on a retrospective basis for all periods presented with the exception of the capitalization of the service cost component which was adopted on a prospective basis.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company will reclassify all components of net periodic benefit costs, except for the service cost component, from operating expenses to other income (expense) on the Consolidated Statements of Income for all years presented prior to January&#160;1, 2018, beginning in the first quarter of 2018, with no impact to earnings. The guidance will not have a material impact on the Company's disclosures or cash flows.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Under FERC regulation, all components of net periodic benefit costs are currently eligible for capitalization. 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The guidance requires lessees to recognize a lease liability and a right-of-use asset on the balance sheet for operating and financing leases with terms of more than 12&#160;months. The guidance remains largely the same for lessors, although some changes were made to better align lessor accounting with the new lessee accounting and to align with the revenue recognition standard. The guidance also requires additional disclosures, both quantitative and qualitative, related to operating and finance leases for the lessee and sales-type, direct financing and operating leases for the lessor. This guidance will be effective for the Company on January&#160;1, 2019, and should be applied using a retrospective approach with early adoption permitted. The Company continues to evaluate the potential impact the adoption of the new guidance will have on its results of operations, financial position, cash flows and disclosures. The Company is planning to adopt the standard on January&#160;1, 2019, utilizing the practical expedient that allows the Company to not reassess whether an expired or existing contract contains a lease, the classification of leases or initial direct costs. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In January 2018, the FASB issued a practical expedient for land easements under the new lease guidance. The practical expedient permits an entity to elect the option to not evaluate land easements under the new guidance if they existed or expired before the adoption of the new lease guidance and were not previously accounted for as leases under the previous lease guidance. Once an entity adopts the new guidance, the entity should apply the new guidance on a prospective basis to all new or modified land easements. The Company is currently evaluating the impact of the practical expedient. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On January&#160;5, 2018, the FASB issued a proposed accounting standard update to the guidance that would allow an entity the option to adopt the guidance on a modified retrospective basis. Under the modified retrospective approach, an entity would recognize a cumulative effect adjustment of initially applying the guidance to the opening balance of retained earnings in the period of adoption. The Company is monitoring the status of the proposal.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Simplifying the Test for Goodwill Impairment </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In January 2017, the FASB issued guidance on simplifying the test for goodwill impairment by eliminating Step&#160;2, which required an entity to measure the amount of impairment loss by comparing the implied fair value of reporting unit goodwill with the carrying amount of such goodwill. This guidance requires entities to perform a quantitative impairment test, previously Step&#160;1, to identify both the existence of impairment and the amount of impairment loss by comparing the fair value of a reporting unit to its carrying amount. Entities will continue to have the option of performing a qualitative assessment to determine if the quantitative impairment test is necessary. The guidance also requires additional disclosures if an entity has one or more reporting units with zero or negative carrying amounts of net assets. The guidance will be effective for the Company on January&#160;1, 2020, and should be applied on a prospective basis with early adoption permitted. The Company is evaluating the effects the adoption of the new guidance will have on its results of operations, financial position, cash flows and disclosures.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In February 2018, the FASB issued guidance that allows an entity to reclassify the stranded tax effects resulting from the newly enacted federal corporate income tax rate from accumulated other comprehensive income (loss) to retained earnings. The guidance is effective for the Company on January 1, 2019, including interim periods, with early adoption permitted. The guidance can be applied using one of two methods. One method is to record the reclassification of the stranded income taxes at the beginning of the period of adoption. The other method is to apply the guidance retrospectively to each period in which the income tax effects of the TCJA are recognized in accumulated other comprehensive income (loss). The Company is evaluating adoption of the guidance in the first quarter of 2018. At December 31, 2017, the Company had </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8077395e5035-wk-Fact-B2DF507C193C76596F9651E062825934" name="us-gaap:IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability" contextRef="FD2017Q4QTD_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_us-gaap_NewAccountingPronouncementMember_us-gaap_OtherComprehensiveIncomeLocationAxis_us-gaap_OtherComprehensiveIncomeMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">7.7</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of stranded tax effects in the accumulated other comprehensive loss balance.</span></div></ix:continuation><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"><ix:continuation id="TextSelection-C7AC82763C266F509F07F94C9CED2BB2-5"></ix:continuation>Variable interest entities</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ConsolidationVariableInterestEntityPolicy" id="TextSelection-4751DCF0156AF1BE54E6F94C9CED04A9-0-wk-Fact-407E734A6587BA69B508F94C9CAF019F" continuedAt="TextSelection-4751DCF0156AF1BE54E6F94C9CED04A9-1" escape="true">The Company evaluates its arrangements and contracts with other entities to determine if they are VIEs and if so, if the Company is the primary beneficiary. GAAP provides a framework for identifying VIEs and determining when a company should include the assets, liabilities, noncontrolling interest and results of activities of a VIE in its consolidated financial statements.</ix:nonNumeric></span></div><ix:continuation id="TextSelection-4751DCF0156AF1BE54E6F94C9CED04A9-1" continuedAt="TextSelection-4751DCF0156AF1BE54E6F94C9CED04A9-2"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">A VIE should be consolidated if a party with an ownership, contractual or other financial interest in the VIE (a variable interest holder) has the power to direct the VIE's most significant activities and the obligation to absorb losses or right to receive benefits of the VIE that could be significant to the VIE. A variable interest holder that consolidates the VIE is called the primary beneficiary. Upon consolidation, the primary beneficiary generally must initially record all of the VIE's assets, liabilities and noncontrolling interests at fair value and subsequently account for the VIE as if it were consolidated.</span></div></ix:continuation><div style="line-height:140%;padding-bottom:14px;padding-top:14px;text-align:justify;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-4751DCF0156AF1BE54E6F94C9CED04A9-2">The Company's evaluation of whether it qualifies as the primary beneficiary of a VIE involves significant judgments, estimates and assumptions and includes a qualitative analysis of the activities that most significantly impact the VIE's economic performance and whether the Company has the power to direct those activities, the design of the entity, the rights of the parties and the purpose of the arrangement.</ix:continuation></span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">65</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-9" continuedAt="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-10"><div style="line-height:120%;padding-top:0px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Comprehensive income (loss)</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ComprehensiveIncomePolicyPolicyTextBlock" id="TextSelection-46B99ABFF82BC4CB6335F94C9CEDF912-0-wk-Fact-3B46946068F7D8D56DF9F94C9CAF2EE1" escape="true">Comprehensive income (loss) is the sum of net income (loss) as reported and other comprehensive income (loss). The Company's other comprehensive income (loss) resulted from gains (losses) on derivative instruments qualifying as hedges, postretirement liability adjustments, foreign currency translation adjustments and gains (losses) on available-for-sale investments. </ix:nonNumeric></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock" id="TextSelection-9BFC12BEFF35C7C5924EF94C9CED0C39-0-wk-Fact-48137A4D7C3868BB20ADF94C9CAF18E4" continuedAt="TextSelection-9BFC12BEFF35C7C5924EF94C9CED0C39-1" escape="true">The after-tax changes in the components of accumulated other comprehensive loss as of </ix:nonNumeric></span><ix:continuation id="TextSelection-9BFC12BEFF35C7C5924EF94C9CED0C39-1" continuedAt="TextSelection-9BFC12BEFF35C7C5924EF94C9CED0C39-2"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span></ix:continuation></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><ix:continuation id="TextSelection-9BFC12BEFF35C7C5924EF94C9CED0C39-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="16"></td></tr><tr><td style="width:35%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div 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style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at December&#160;31, 2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid 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#000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5387-wk-Fact-83B745A41A79146096D257751ED7FD5B" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2015Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">34,257</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5402-wk-Fact-7F1476DC424E88C4FD6357751EC3A631" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2015Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedTranslationAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">200</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5418-wk-Fact-67E350355B907CD45B3C57751EE35041" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2015Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">24</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5433-wk-Fact-535A76ADAB22DEADB33EF94C9CAF7BDD" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2015Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">37,148</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other comprehensive income (loss) before reclassifications</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5449-wk-Fact-F25399B50A6C6C0F97C457751EDFA1E2" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5463-wk-Fact-C26D2B4A0D951FCA963D57751EDBD995" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,470</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5478-wk-Fact-9DAA2210F24FB7209A8857751EEC0CBC" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedTranslationAdjustmentMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">51</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5492-wk-Fact-96002BC6B394427C25EC57751ED59729" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">182</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5508-wk-Fact-94B4C2D572C1A67DF390F94C9CBF9731" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,601</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amounts reclassified from accumulated other comprehensive loss</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5529-wk-Fact-445D1A8FB2C9F4AA91E357751EDE5519" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">367</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5543-wk-Fact-C1E6DCDDB894A077629457751EDCCBCF" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,506</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5557-wk-Fact-469754CA68C98288AC2957751EE43498" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedTranslationAdjustmentMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5571-wk-Fact-F59FE93F2590BB023E4257751EB49234" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">143</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5586-wk-Fact-1CFD9C6A26385F74DE2FF94C9CCE0B6C" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,016</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net current-period other comprehensive income (loss)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5606-wk-Fact-3D98D17FA27DC65619C257751EEA2EAB" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">367</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5620-wk-Fact-173AAB6C658DFB174B3A57751EC933BB" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,036</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5634-wk-Fact-E811336D2FD36DD5BC1757751ECEE3F8" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedTranslationAdjustmentMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">51</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5648-wk-Fact-68AAFF67D376BFAAA42857751EC8D0DA" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">39</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5664-wk-Fact-B38788BD98FAC6D51909F94C9CAF93B9" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2016Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,415</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at December&#160;31, 2016</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5684-wk-Fact-D817F9782D2DD571EA4A57751EE70F5F" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,300</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5699-wk-Fact-93DA7C7355AC522434AB57751ED0BB67" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">33,221</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5714-wk-Fact-A65BBBC6DBC7D68CCAC257751EE60527" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedTranslationAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">149</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5729-wk-Fact-AA534D73433601AF6C8757751ECC8F19" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">63</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5745-wk-Fact-A56AEAEF7C70EC3B7806F94C9CAF54EE" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2016Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">35,733</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other comprehensive loss before reclassifications</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5766-wk-Fact-375AF970EA74D2105C66F94C9C9F4F95" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5780-wk-Fact-ADEF7FD74D5284089EE5F94C9CCE2568" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,812</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5795-wk-Fact-D8415EB62E5E93D043B357751EE9C734" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedTranslationAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">6</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5810-wk-Fact-CE38C72CB753B1141D2F57751EC4D7D5" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">139</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5826-wk-Fact-50FA3084C32057D8DD72F94C9C9F08FB" name="us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,957</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amounts reclassified from accumulated other comprehensive loss</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5847-wk-Fact-EE59DEA890358E45A22AF94C9C9F24D1" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">366</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5861-wk-Fact-AD800C1907B514E60BC6F94C9C9F4A1B" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,013</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5875-wk-Fact-59FF68328662CBD7CB3F57751EC66EB1" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedTranslationAdjustmentMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5889-wk-Fact-123781B5A86153C5ED0C57751ECB0D49" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">120</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5904-wk-Fact-69B5066978F4E3688540F94C9CCE3D42" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,499</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amounts reclassified to accumulated other comprehensive loss from a regulatory asset</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5924-wk-Fact-E358EE120C3A5AADB92EF94C9CBFBB8B" name="mdu:ReclassificationFromAccumulatedOtherComprehensiveIncometoRegulatoryAssetCurrentPeriodNetofTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5938-wk-Fact-FD469AE8C507AB7AAA836CB74CBE1ABF" name="mdu:ReclassificationFromAccumulatedOtherComprehensiveIncometoRegulatoryAssetCurrentPeriodNetofTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,143</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5953-wk-Fact-EA16D7E49104779B739FF94C9CBF4EA0" name="mdu:ReclassificationFromAccumulatedOtherComprehensiveIncometoRegulatoryAssetCurrentPeriodNetofTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedTranslationAdjustmentMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e5967-wk-Fact-2D97F485F491B585DC41F94C9CBF4BE0" name="mdu:ReclassificationFromAccumulatedOtherComprehensiveIncometoRegulatoryAssetCurrentPeriodNetofTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e5982-wk-Fact-7CE285834A6D7FE1AC2DF94C9CBF7987" name="mdu:ReclassificationFromAccumulatedOtherComprehensiveIncometoRegulatoryAssetCurrentPeriodNetofTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,143</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net current-period other comprehensive income (loss)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e6003-wk-Fact-890DDA0E18DF703B9EE655ADD2A0CB5B" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">366</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e6017-wk-Fact-EA643DA925A50084AA4855ADD29DD101" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,942</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e6032-wk-Fact-B049557A2991E89536C555ADD2A2957A" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedTranslationAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">6</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e6047-wk-Fact-6DB1ECDD8488DF84C32E55ADD2A4C816" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">19</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e6063-wk-Fact-7E2DD7EC4F095DFB7B32F94C9CBF4C84" name="us-gaap:OtherComprehensiveIncomeLossNetOfTax" contextRef="FD2017Q4YTD_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,601</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Balance at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8077395e6090-wk-Fact-CC5910DE018A68D457EB55B118A1110B" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,934</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8077395e6105-wk-Fact-78468C67C507193CFE2A55B11899E12B" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">35,163</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8077395e6120-wk-Fact-205074FFE719106C719A55B118A8BEF6" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedTranslationAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">155</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8077395e6136-wk-Fact-9753430A9C1F6A66BA1A55B118AA84F3" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">82</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8077395e6151-wk-Fact-EB6C856AFB35FDD6AC14F94C9CBF5A5F" name="us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" contextRef="FI2017Q4_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedOtherComprehensiveIncomeMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">37,334</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock" id="TextSelection-92F6B57EB1B1DC9A3C05F94C9CED7EC9-0-wk-Fact-1BCFBF47DDA3407610BEF94C9CAF3381" continuedAt="TextSelection-92F6B57EB1B1DC9A3C05F94C9CED7EC9-1" escape="true">Reclassifications out of accumulated other comprehensive loss for the years ended December&#160;31 were as follows:</ix:nonNumeric></span></div><ix:continuation id="TextSelection-92F6B57EB1B1DC9A3C05F94C9CED7EC9-1" continuedAt="TextSelection-92F6B57EB1B1DC9A3C05F94C9CED7EC9-2"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:606px;border-collapse:collapse;text-align:left;"><tr><td colspan="8"></td></tr><tr><td style="width:289px;"></td><td style="width:8px;"></td><td style="width:58px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:56px;"></td><td style="width:3px;"></td><td style="width:178px;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Location on Consolidated</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Statements of Income</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Reclassification adjustment for loss on derivative</span></div><div style="text-align:left;padding-left:12px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">instruments included in net income (loss):</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest rate derivative instruments</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8077395e6327-wk-Fact-480C40E81C4ECA43E5A6F94C9CDEB7C8" name="us-gaap:InterestExpense" contextRef="FD2017Q4YTD_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateContractMember_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">590</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e6342-wk-Fact-6E887C7FE2AFF9E32910577577BCE7F7" name="us-gaap:InterestExpense" contextRef="FD2016Q4YTD_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateContractMember_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">593</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest expense</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e6363-wk-Fact-EFCAF033E2E32A2F84B2F94C9CDE6645" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateContractMember_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">224</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e6377-wk-Fact-AB7AB04C9FFDA31EE553577577B039D9" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateContractMember_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">226</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8077395e6402-wk-Fact-74AD0452DF3F778DD38955BEE0825C0E" name="us-gaap:ProfitLoss" contextRef="FD2017Q4YTD_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateContractMember_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">366</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e6417-wk-Fact-CD9661731455534CC733577577B31D4C" name="us-gaap:ProfitLoss" contextRef="FD2016Q4YTD_us-gaap_DerivativeInstrumentRiskAxis_us-gaap_InterestRateContractMember_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">367</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amortization of postretirement liability losses included</span></div><div style="padding-left:12px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">in net periodic benefit cost (credit)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8077395e6446-wk-Fact-35F48C4459B6FF8D0CD2577577ACF1E1" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" contextRef="FD2017Q4YTD_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,658</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e6461-wk-Fact-AD8FE9AE9728DC1862AB577577B9ADD7" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" contextRef="FD2016Q4YTD_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,931</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(a)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e6487-wk-Fact-B69E976E8F420636AB09577577B5704E" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">645</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e6501-wk-Fact-D2C9B0444F7B03D8EB06577577B7670E" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,425</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8077395e6526-wk-Fact-BD89BCE2CF9B4F30DE0555BEE0847F43" name="us-gaap:ProfitLoss" contextRef="FD2017Q4YTD_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,013</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e6541-wk-Fact-D0CEEB381C6110DCF120577577AB1200" name="us-gaap:ProfitLoss" contextRef="FD2016Q4YTD_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,506</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Reclassification adjustment for loss on available-for-sale</span></div><div style="padding-left:12px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">investments included in net income (loss)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8077395e6570-wk-Fact-302BC2B55D0F26E4312BF94C9CDE9794" name="us-gaap:OtherNonoperatingIncomeExpense" contextRef="FD2017Q4YTD_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">185</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e6585-wk-Fact-9E42A4E5237864345433577577AE6D85" name="us-gaap:OtherNonoperatingIncomeExpense" contextRef="FD2016Q4YTD_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">220</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other income</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8077395e6611-wk-Fact-B2CF96E7C03BA85A9ACAF94C9CDE0013" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">65</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8077395e6625-wk-Fact-BBF30665EA024806BBC1577577A9E8EA" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">77</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8077395e6651-wk-Fact-A428664C7CFB57CEBDF155BEE086E8DC" name="us-gaap:ProfitLoss" contextRef="FD2017Q4YTD_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">120</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e6666-wk-Fact-C7766B5C5149921BB637577577BAD720" name="us-gaap:ProfitLoss" contextRef="FD2016Q4YTD_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_us-gaap_StatementEquityComponentsAxis_us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">143</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total reclassifications</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8077395e6697-wk-Fact-FFCC7558464032B69520F94C9CDE10D2" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,499</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8077395e6712-wk-Fact-75523D97E3C84A5F07F4F94C9CDE7270" name="us-gaap:ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,016</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in net periodic benefit cost (credit). For more information, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">.</span></div></td></tr></table></ix:continuation></ix:continuation><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><ix:continuation id="TextSelection-7CD42427F24AEE64D5F1F94C9CEDE776-10"><ix:continuation id="TextSelection-92F6B57EB1B1DC9A3C05F94C9CED7EC9-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:607px;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:606px;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></ix:continuation></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div><a id="sB1E08D270B8759D9810C1D64BFEA7F23"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> - <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock" id="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-0-wk-Fact-1EAB7BE211A253F1F30EF94C9C9FC42A" continuedAt="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-1" escape="true">Assets Held for Sale and Discontinued Operations</ix:nonNumeric></span></div><ix:continuation id="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-1" continuedAt="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-2"><div style="line-height:140%;padding-top:0px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Assets held for sale</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The assets of Pronghorn were classified as held for sale in the fourth quarter of 2016. Pronghorn's results of operations for 2016 were included in the pipeline and midstream segment.</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">66</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-2" continuedAt="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-3"><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Pronghorn </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On November&#160;21, 2016, WBI Energy Midstream announced it had entered into a purchase and sale agreement to sell its </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:normal;"><span><ix:nonFraction id="d8039754e1172-wk-Fact-E83D460B51A4595E1872F94C9C9F4F86" name="mdu:PercentofOwnershipToSell" contextRef="I2016Q4DO_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">50</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent non-operating ownership interest in Pronghorn to Andeavor Field Services LLC. The transaction closed on January&#160;1, 2017, which generated approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e1176-wk-Fact-EA31F02F99FB4D7B51115D55BAE781E7" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration" contextRef="I2017Q1SD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember" unitRef="usd" decimals="-6" scale="6" format="ixt:numdotdecimal">100</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of proceeds for the Company. The sale of Pronghorn further reduced the Company's risk exposure to commodity prices.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:DisclosureOfLongLivedAssetsHeldForSaleTextBlock" id="TextSelection-2BCC3EB6F50CD403EC46F94C9CED79FF-0-wk-Fact-C5839A517BB4776E8181F94C9C9FFF7D" continuedAt="TextSelection-2BCC3EB6F50CD403EC46F94C9CED79FF-1" escape="true">The carrying amounts of the major classes of assets classified as held for sale associated with Pronghorn on the Company's Consolidated Balance Sheets at December&#160;31 were as follows:</ix:nonNumeric></span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><ix:continuation id="TextSelection-2BCC3EB6F50CD403EC46F94C9CED79FF-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:65.13409961685824%;border-collapse:collapse;text-align:left;"><tr><td colspan="4"></td></tr><tr><td style="width:81%;"></td><td style="width:1%;"></td><td style="width:17%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current assets:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Prepayments and other current assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e1294-wk-Fact-00108BC7240BED155E8AF94C9CCE71E8" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_PronghornAssetsHeldforSaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">68</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e1309-wk-Fact-B1F04C27E23CB25E1536F94C9CCE77BC" name="us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_PronghornAssetsHeldforSaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">68</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Noncurrent assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net property, plant and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e1350-wk-Fact-61DE552CDF1CDC33712EF94C9CCE76F9" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_PronghornAssetsHeldforSaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">93,424</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Goodwill</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e1370-wk-Fact-12AB4B83B05A4AC0CB89F94C9CCEE796" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_PronghornAssetsHeldforSaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,737</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less allowance for impairment of assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e1390-wk-Fact-6304E8F20580EAF5C745F94C9CCE2D7F" name="mdu:DisposalGroupIncludingDiscontinuedOperationAllowanceForImpairmentOfAssetsHeldForSaleNonCurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_PronghornAssetsHeldforSaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,311</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total noncurrent assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e1410-wk-Fact-82408AE6900958CACDBDF94C9CCED589" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_PronghornAssetsHeldforSaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">100,850</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets held for sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e1436-wk-Fact-71466E1E0A53335FCC5AF94C9CCE594A" name="us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_PronghornAssetsHeldforSaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">100,918</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company performed a fair value assessment of the assets and liabilities classified as held for sale. In the fourth quarter of 2016, the fair value assessment was determined using the market approach based on the purchase and sale agreement with Andeavor Field Services LLC. 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The fair value of Pronghorn's assets have been categorized as Level&#160;3 in the fair value hierarchy. The impairment was recorded in operation and maintenance expense on the Consolidated Statement of Income.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Discontinued operations</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The assets and liabilities of the Company's discontinued operations have been classified as held for sale and the results of operations are shown in loss from discontinued operations, other than certain general and administrative costs and interest expense which do not meet the criteria for income (loss) from discontinued operations. At the time the assets were classified as held for sale, depreciation, depletion and amortization expense was no longer recorded.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Dakota Prairie Refining </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On June&#160;24, 2016, WBI Energy entered into a membership interest purchase agreement with Tesoro to sell all of the outstanding membership interests in Dakota Prairie Refining to Tesoro. 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For more information related to the guarantee, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:normal;">17</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">67</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-3" continuedAt="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-4"><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-7C02BDCA8B416C6E7AA7F94C9CED5C47-0" continuedAt="TextSelection-7C02BDCA8B416C6E7AA7F94C9CED5C47-1">The carrying amounts of the major classes of assets and liabilities classified as held for sale, related to the operations of and activity associated with Dakota Prairie Refining, on the Company's Consolidated Balance Sheets at December&#160;31 were as follows:</ix:continuation></span></div><ix:continuation id="TextSelection-7C02BDCA8B416C6E7AA7F94C9CED5C47-1" continuedAt="TextSelection-7C02BDCA8B416C6E7AA7F94C9CED5C47-2"><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:80.65134099616859%;border-collapse:collapse;text-align:left;"><tr><td colspan="8"></td></tr><tr><td style="width:65%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:4%;"></td><td style="width:1%;"></td><td style="width:14%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="7" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current assets:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes receivable</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e1680-wk-Fact-8139EF2941DF4E2858D3F94C9C9F5472" name="mdu:DisposalGroupIncludingDiscontinuedOperationIncomeTaxesReceivableAssetsCurrent" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,778</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e1699-wk-Fact-C3073AC669BEC55DBA30F94C9CCE044A" name="mdu:DisposalGroupIncludingDiscontinuedOperationIncomeTaxesReceivableAssetsCurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,987</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e1714-wk-Fact-0031616B6E086D887726F94C9CAFA1F4" name="us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,778</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e1733-wk-Fact-F0038984D524DCA74E46F94C9CCECEBE" name="us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,987</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets held for sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e1758-wk-Fact-BC47704588242C9A8F59F94C9C9F0181" name="us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,778</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(a)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e1777-wk-Fact-B91A999E43C732246DA9F94C9CCED61E" name="us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,987</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Liabilities</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current liabilities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accounts payable</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e1879-wk-Fact-28E64E55EACDE992A20AF94C9CCEE8D9" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e1898-wk-Fact-A6D6C8B7764D95695DF2F94C9C9F3890" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,425</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current liabilities held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e1913-wk-Fact-0CD9DC99F8C5B53422A2F94C9CAFAF97" name="us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e1932-wk-Fact-780B08BDC5084A5BFDE6F94C9C9F9F11" name="us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" 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style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred income taxes (b)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e1994-wk-Fact-68722D68F32D7017B548F94C9CAFE99B" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilitiesNoncurrent" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">37</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e2013-wk-Fact-29E05142FEE6DAF8CE67F94C9CCE8CA6" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilitiesNoncurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">14</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total noncurrent liabilities held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e2033-wk-Fact-2BC7639E0D4731A956FEF94C9CDE1F94" name="us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">37</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e2052-wk-Fact-B7FDCB3139A96317402FF94C9CAF2156" name="us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">14</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total liabilities held for sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e2077-wk-Fact-2B6B01E5FF91B4E83438F94C9C9FB797" name="us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">37</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e2096-wk-Fact-5D058C809D39FD05302EF94C9C9F3FA7" name="us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,439</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-3BB4F64C0D049AEC28F9539FCB146C66-0-wk-Footnote-3BB4F64C0D049AEC28F9539FCB146C66_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">On the Company's Consolidated Balance Sheets, these amounts were reclassified to current income taxes payable and are reflected in current liabilities held for sale.</ix:footnote></span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(b)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-A2F6E7A2A1EFE4A6ED24F94C9CED54E6-0-wk-Footnote-A2F6E7A2A1EFE4A6ED24F94C9CED54E6_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" continuedAt="TextSelection-A2F6E7A2A1EFE4A6ED24F94C9CED54E6-1">On the Company's Consolidated Balance Sheets, these amounts were reclassified to noncurrent deferred income tax assets</ix:footnote></span></div></td></tr></table></ix:continuation><div style="line-height:120%;padding-top:0px;padding-left:18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:continuation id="TextSelection-7C02BDCA8B416C6E7AA7F94C9CED5C47-2"><ix:continuation id="TextSelection-A2F6E7A2A1EFE4A6ED24F94C9CED54E6-1">and are reflected in noncurrent assets held for sale.</ix:continuation></ix:continuation></span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:80.65134099616859%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company retained certain liabilities of Dakota Prairie Refining which were reflected in current liabilities held for sale on the Consolidated Balance Sheet at December&#160;31, 2016. In the first quarter of 2017, the Company recorded a reversal of a previously accrued liability of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e2145-wk-Fact-5FA0EADE1A0CDDF4F82053976E0B1D3C" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense" contextRef="FD2017Q1YTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember_us-gaap_IncomeStatementLocationAxis_us-gaap_OperatingExpenseMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">7.0</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e2149-wk-Fact-7E4A272BC1836C5D4CBE5397B272204F" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense" contextRef="FD2017Q1YTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember_us-gaap_IncomeStatementLocationAxis_mdu_OperatingexpenseaftertaxMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">4.3</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax) due to the resolution of a legal matter. As of December 31, 2017, Dakota Prairie Refining had not incurred any material exit and disposal costs, and does not expect to incur any material exit and disposal costs.</span></div><div style="line-height:140%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company performed a fair value assessment of the assets and liabilities classified as held for sale. In the second quarter of 2016, the fair value assessment was determined using the market approach based on the sale transaction to Tesoro. 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The impairment was included in operating expenses from discontinued operations. The fair value of Dakota Prairie Refining's assets have been categorized as Level&#160;3 in the fair value hierarchy. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Fidelity </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In the second quarter of 2015, the Company began the marketing and sale process of Fidelity with an anticipated sale to occur within one year. Between September 2015 and March 2016, the Company entered into purchase and sale agreements to sell substantially all of Fidelity's oil and natural gas assets. The completion of these sales occurred between October 2015 and April 2016. 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style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">68</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-4" continuedAt="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-5"><div style="line-height:140%;padding-top:14px;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock" id="TextSelection-3D26B67455BB44661717F94C9CED6F47-0-wk-Fact-AB02FD8FDC70150E8ABDF94C9C9FE49A" continuedAt="TextSelection-3D26B67455BB44661717F94C9CED6F47-1" escape="true">The carrying amounts of the major classes of assets and liabilities classified as held for sale, related to the operations of Fidelity, on the Company's Consolidated Balance Sheets at December&#160;31 were as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-3D26B67455BB44661717F94C9CED6F47-1" continuedAt="TextSelection-3D26B67455BB44661717F94C9CED6F47-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New 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style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="7" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current assets:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Receivables, net</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e2385-wk-Fact-B4E257C89EBD87EA0D44F94C9CDEC19B" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">479</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e2404-wk-Fact-E74F01D9425970B280D9F94C9CDEC884" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet" 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style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Noncurrent assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net property, plant and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e2514-wk-Fact-49D5541B189BB3535C6DF94C9CDE4865" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,631</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e2533-wk-Fact-56A8E151BB052A51DA35F94C9CDE32AA" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,507</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred income taxes</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e2558-wk-Fact-6CD5B8041E3CD2E323D5F94C9CDEEF22" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssetsNoncurrent" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,637</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e2577-wk-Fact-7073B49872958B8C8769F94C9CDE49A3" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssetsNoncurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">91,098</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e2602-wk-Fact-92F645A41A72D42EA9C5F94C9CDEB5B9" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">161</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e2621-wk-Fact-0F41DB8F717F2553A575F94C9CDEB41D" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">161</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less allowance for impairment of assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e2646-wk-Fact-D7832334CEB2E9E90F27F94C9CDE1B56" name="mdu:DisposalGroupIncludingDiscontinuedOperationAllowanceForImpairmentOfAssetsHeldForSaleNonCurrent" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e2665-wk-Fact-4D153A84BD28FA348D30F94C9CDE602A" name="mdu:DisposalGroupIncludingDiscontinuedOperationAllowanceForImpairmentOfAssetsHeldForSaleNonCurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">938</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total noncurrent assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e2691-wk-Fact-9E2000114365714688DFF94C9CDE031C" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,429</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e2710-wk-Fact-2E1A44953100ECFD48AFF94C9CDE2C2B" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">95,828</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets held for sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e2740-wk-Fact-614181B040EF64DF3337F94C9CDE0553" name="us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,908</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e2759-wk-Fact-F0FC6514ABFC5F7998BEF94C9CDE65B5" name="us-gaap:AssetsOfDisposalGroupIncludingDiscontinuedOperation" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">96,183</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Liabilities</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current liabilities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accounts payable</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e2876-wk-Fact-149D24AF6EA540F2658FF94C9CDEA99C" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">30</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e2895-wk-Fact-865AD5451CB85B14E5D6F94C9CDE488D" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">141</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes payable</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e2915-wk-Fact-E5A4F5BBA020EC272782F94C9CDE4108" name="mdu:DisposalGroupIncludingDiscontinuedOperationTaxesPayableCurrent" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,857</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e2934-wk-Fact-F073706352CA8B92A552F94C9CDE784B" name="mdu:DisposalGroupIncludingDiscontinuedOperationTaxesPayableCurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">19</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(a)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other accrued liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e2959-wk-Fact-23B2ECB46890315A18BDF94C9CDEA0B3" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,884</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e2978-wk-Fact-F96A4781D3BDEFBB1D80F94C9CDE0C93" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,358</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current liabilities held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e3003-wk-Fact-F8298986227DBF55AA83F94C9CDED2B4" name="us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,771</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e3022-wk-Fact-DDE96E70229F63F94373F94C9CDED3A8" name="us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,518</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total liabilities held for sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e3052-wk-Fact-21A83EB4CFBFDDEDF029F94C9CDEFD5F" name="us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,771</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e3071-wk-Fact-96B972DAD5DA9D86992DF94C9CDEF7F1" name="us-gaap:LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,518</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></ix:continuation></div><ix:continuation id="TextSelection-3D26B67455BB44661717F94C9CED6F47-2" continuedAt="TextSelection-3D26B67455BB44661717F94C9CED6F47-3"><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade 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style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:83.5249042145594%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">At December&#160;31, 2017 and 2016, the Company&#8217;s deferred tax assets included in assets held for sale were largely comprised of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3118-wk-Fact-C6095B8517D539679DD5F94C9C9F4BA0" name="us-gaap:DeferredTaxAssetsOperatingLossCarryforwards" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">2.6</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3122-wk-Fact-0DEC8B2CA575CC72FDD5F94C9C9F7122" name="us-gaap:DeferredTaxAssetsOperatingLossCarryforwards" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">89.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, of federal and state net operating loss carryforwards. 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The federal net operating loss carryforwards expire in 2036 and 2037 if not utilized. The state net operating loss carryforwards are due to expire between 2023 and 2037. It is likely a portion of the benefit from the state carryforwards will not be realized; therefore, valuation allowances of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3145-wk-Fact-FB72F35631F1AB68855CF94C9C9F39DF" name="us-gaap:DeferredTaxAssetsValuationAllowance" contextRef="FI2017Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember_us-gaap_IncomeTaxAuthorityAxis_us-gaap_StateAndLocalJurisdictionMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">349,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3150-wk-Fact-1C8EBBC6F003AF62DC09F94C9C9F7432" name="us-gaap:DeferredTaxAssetsValuationAllowance" contextRef="FI2016Q4_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember_us-gaap_IncomeTaxAuthorityAxis_us-gaap_StateAndLocalJurisdictionMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">500,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> have been provided in 2017 and 2016, respectively.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company performed a fair value assessment of the assets and liabilities classified as held for sale. In the first quarter of 2016, the fair value assessment was determined using the market approach largely based on a purchase and sale agreement. The estimated fair value exceeded the carrying value and the Company recorded an impairment reversal of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3157-wk-Fact-205567DC25E7EB82BDB99F7A142AC57D" name="us-gaap:DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax" contextRef="FD2016Q1QTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="0" scale="6" sign="-" format="ixt:numdotdecimal">1.4</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3161-wk-Fact-F32B68FBB8DBDD2F0BFD9F7A9D1A2A73" name="us-gaap:DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax" contextRef="FD2016Q1QTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="0" scale="0" sign="-" format="ixt:numdotdecimal">900,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax) in the first quarter of 2016. In the second quarter of 2016, the fair value assessment was determined using the income and market approaches. The income approach was determined by using the present value of future estimated cash flows. The market approach was based on market transactions of similar properties. The estimated carrying value exceeded the fair value and the Company recorded an impairment of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3165-wk-Fact-D91AF865222745300206F94C9C9FCEA8" name="us-gaap:DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax" contextRef="FD2016Q2QTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">900,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3169-wk-Fact-750F284441AEFC06AD63F94C9C9F1DDF" name="us-gaap:DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax" contextRef="FD2016Q2QTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">600,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax) in the second quarter of 2016. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In the second quarter of 2015, the estimated fair value was determined using the income and the market approaches. The income approach was determined by using the present value of future estimated cash flows. The income approach considered management's views on current operating measures as well as assumptions pertaining to market forces in the oil and gas industry including estimated reserves, estimated prices, market differentials, estimates of well operating and future development costs and timing of operations. The estimated cash flows were discounted using a rate believed to be consistent with those used by principal market participants. The market approach was provided by a third party and based on market transactions involving similar interests in oil and natural gas properties. The fair value assessment indicated an impairment based on the carrying value exceeding the estimated fair value, which is resulted in the Company writing down Fidelity's assets at June 30, 2015, and recording an impairment of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3176-wk-Fact-C3B1C5EF0FAEFF9586085DE4BD03D43F" name="us-gaap:DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax" contextRef="FD2015Q2QTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">400.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3180-wk-Fact-55DACB47EB646881B2EA5DE85C852BD8" name="us-gaap:DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax" contextRef="FD2015Q2QTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">252.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax) during the second quarter of 2015. In the third quarter of 2015, the estimated fair value of Fidelity was determined by agreed upon pricing in the purchase and sale agreements for the assets subject to the agreements, the majority of which closed during the fourth quarter of 2015, including customary purchase price adjustments. The values received in the bid proposals were lower than originally anticipated due to lower commodity prices </span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">69</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-5" continuedAt="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-6"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">than those projected in the second quarter of 2015. For those assets for which a purchase and sale agreement had not been entered into at that time, the fair value was based on the market approach utilizing multiples based on similar interests in oil and natural gas properties. The fair value assessment indicated an impairment based on the carrying value exceeding the estimated fair value, which resulted in the Company writing down Fidelity's assets at September&#160;30, 2015, and recording an impairment of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3187-wk-Fact-4F7A7862A41286BC2F565DE929F6E3B1" name="us-gaap:DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax" contextRef="FD2015Q3QTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">356.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3191-wk-Fact-B4E87CB7C43693C82A1D5DE95090CA71" name="us-gaap:DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax" contextRef="FD2015Q3QTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">224.4</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax). In the fourth quarter of 2015, the fair value assessment was determined using the market approach based on purchase and sale agreements. The estimated fair value exceeded the carrying value and the Company recorded an impairment reversal of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3195-wk-Fact-B873BD7F89D0082C76E35DE9F07E58B7" name="us-gaap:DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax" contextRef="FD2015Q4QTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-5" scale="6" sign="-" format="ixt:numdotdecimal">1.6</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3199-wk-Fact-AF76CEC81B034EEFDE585DEA0E99D55D" name="us-gaap:DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax" contextRef="FD2015Q4QTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-5" scale="6" sign="-" format="ixt:numdotdecimal">1.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax) in the fourth quarter of 2015. The impairments were included in operating expenses from discontinued operations. The estimated fair value of Fidelity's assets have been categorized as Level&#160;3 in the fair value hierarchy.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company incurred transaction costs of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3206-wk-Fact-DF7DD0774FDA6508DEC0F94C9C9F96BF" name="us-gaap:BusinessExitCosts1" contextRef="FD2016Q1QTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember_us-gaap_RestructuringCostAndReserveAxis_us-gaap_OtherRestructuringMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">300,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in the first quarter of 2016 and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3210-wk-Fact-8B3422F2056657913A565DEC756A44E8" name="us-gaap:BusinessExitCosts1" contextRef="FD2015Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember_us-gaap_RestructuringCostAndReserveAxis_us-gaap_OtherRestructuringMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">2.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in 2015. In addition to the transaction costs, and due in part to the change in plans to sell the assets of Fidelity rather than sell Fidelity as a company, Fidelity incurred and expensed approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3214-wk-Fact-794A381BD7FD129EB463F94C9C9F89E4" name="us-gaap:BusinessExitCosts1" contextRef="FD2016Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember_us-gaap_RestructuringCostAndReserveAxis_us-gaap_OtherRestructuringMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">5.6</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of exit and disposal costs in 2016, and has incurred </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3218-wk-Fact-DA0A71238609B97E47AAF94C9C9FBFFA" name="us-gaap:BusinessExitCosts1" contextRef="D2017Q4ADIC_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember_us-gaap_RestructuringCostAndReserveAxis_us-gaap_OtherRestructuringMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">10.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of exit and disposal costs to date. The Company does not expect to incur any additional material exit and disposal costs. The exit and disposal costs are associated with severance and other related matters and exclude the office lease expiration discussed in the following paragraph. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Fidelity vacated its office space in Denver, Colorado in 2016. The Company incurred lease payments of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3225-wk-Fact-5A6FCE085E0F95E3D6A1F94C9C9FD756" name="us-gaap:BusinessExitCosts1" contextRef="FD2016Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember_us-gaap_RestructuringCostAndReserveAxis_us-gaap_ContractTerminationMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">900,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in 2016. Lease termination payments of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3229-wk-Fact-792CFEB0AC7A8DA8D4F5F94C9C9FB5ED" name="us-gaap:BusinessExitCosts1" contextRef="FD2016Q2QTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember_us-gaap_RestructuringCostAndReserveAxis_us-gaap_ContractTerminationMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">3.2</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3233-wk-Fact-3D7FB551CDDB4AA729655DED825E6D8C" name="us-gaap:BusinessExitCosts1" contextRef="FD2015Q4QTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember_us-gaap_RestructuringCostAndReserveAxis_us-gaap_ContractTerminationMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">3.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> were made during the second quarter of 2016 and fourth quarter of 2015, respectively. Existing office furniture and fixtures were relinquished to the lessor in the second quarter of 2016.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Historically, the company used the full-cost method of accounting for its oil and natural gas production activities. Under this method, all costs incurred in the acquisition, exploration and development of oil and natural gas properties are capitalized and amortized on the units-of-production method based on total proved reserves.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Prior to the oil and natural gas properties being classified as held for sale, capitalized costs were subject to a "ceiling test" that limits such costs to the aggregate of the present value of future net cash flows from proved reserves discounted at 10 percent, as mandated under the rules of the SEC, plus the cost of unproved properties not subject to amortization, plus the effects of cash flow hedges, less applicable income taxes. Proved reserves and associated future cash flows are determined based on SEC Defined Prices and exclude cash outflows associated with asset retirement obligations that have been accrued on the balance sheet. If capitalized costs, less accumulated amortization and related deferred income taxes, exceed the full-cost ceiling at the end of any quarter, a permanent noncash write-down is required to be charged to earnings in that quarter regardless of subsequent price changes.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's capitalized cost under the full-cost method of accounting exceeded the full-cost ceiling at March 31, 2015. SEC Defined Prices, adjusted for market differentials, were used to calculate the ceiling test. Accordingly, the Company was required to write down its oil and natural gas producing properties. The Company recorded a </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3247-wk-Fact-32E3DD5C1319B993E2A85DF19E4ADA34" name="us-gaap:ImpairmentOfOilAndGasProperties" contextRef="FD2015Q1QTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">500.4</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3251-wk-Fact-CBEF8F9691906598E3315DF27ACC446C" name="mdu:ImpairmentOfOilAndGasPropertiesAfterTax" contextRef="FD2015Q1QTD_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_ExplorationAndProductionMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">315.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax) noncash write-down in operating expenses from discontinued operations in the first quarter of 2015.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Fidelity previously held commodity derivatives that were not designated as hedging instruments. The amount of loss recognized in discontinued operations, before tax, was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3258-wk-Fact-48A9490407C36F1DF70A5DF384510EEE" name="us-gaap:GainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstruments" contextRef="FD2015Q4YTD_us-gaap_DerivativeInstrumentRiskAxis_mdu_CommodityDerivativesMember_us-gaap_DisposalGroupClassificationAxis_mdu_ExplorationAndProductionMember_us-gaap_HedgingDesignationAxis_us-gaap_NondesignatedMember" unitRef="usd" decimals="-5" scale="6" sign="-" format="ixt:numdotdecimal">18.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in the year ended December 31, 2015.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Dakota Prairie Refining and Fidelity </span><ix:nonNumeric contextRef="FD2017Q4YTD" name="mdu:ReconciliationofMajorClassesofIncomeAndExpenseTableTextBlock" id="TextSelection-706D782CA5DD7AD70958F94C9CED0EA1-0-wk-Fact-B16D11C6E48228AED8ADF94C9C9F5832" continuedAt="TextSelection-706D782CA5DD7AD70958F94C9CED0EA1-1" escape="true"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The reconciliation of the major classes of income and expense constituting pretax income (loss) from discontinued operations, which includes Dakota Prairie Refining and Fidelity, to the after-tax loss from discontinued operations on the Company's Consolidated Statements of Income for the years ended December&#160;31 were as follows:</span></ix:nonNumeric></div><ix:continuation id="TextSelection-706D782CA5DD7AD70958F94C9CED0EA1-1" continuedAt="TextSelection-706D782CA5DD7AD70958F94C9CED0EA1-2"><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:91.18773946360153%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:58%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e3399-wk-Fact-332739EEBA641C16D781F94C9CAF70E4" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue" contextRef="FD2017Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">465</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e3413-wk-Fact-71D64E243EB8535F4AB7F94C9CAF5583" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue" contextRef="FD2016Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">123,024</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e3427-wk-Fact-F7582E2AF63ACBE170D9F94C9C9F4BC2" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationRevenue" contextRef="FD2015Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">363,115</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8039754e3442-wk-Fact-7D046B6B17337D785867F94C9CDE51EE" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense" contextRef="FD2017Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">4,607</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e3457-wk-Fact-04FD329DA0FD53BCE305F94C9CAFE3E8" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense" contextRef="FD2016Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">513,813</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e3471-wk-Fact-1E5CACBCF2C1249A8EB3F94C9C9F28C4" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingExpense" contextRef="FD2015Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,666,941</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income (loss)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e3491-wk-Fact-6A498E38CDFE91996E9BF94C9CAF1896" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss" contextRef="FD2017Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,072</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8039754e3505-wk-Fact-D25D696CF73F1CA5D7C3F94C9CAFE0CB" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss" contextRef="FD2016Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">390,789</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8039754e3520-wk-Fact-66E6A6615FD995804B62F94C9CAF88D8" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss" contextRef="FD2015Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,303,826</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other income (expense)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8039754e3541-wk-Fact-B7B71A43E83A2511C731F94C9CAFA923" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherExpense" contextRef="FD2017Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e3556-wk-Fact-374EB15266EC12279611F94C9CAF2793" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherIncome" contextRef="FD2016Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">306</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e3570-wk-Fact-7AC378C960D9002C9C12F94C9C9FC63F" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationOtherIncome" contextRef="FD2015Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,149</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest expense</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e3590-wk-Fact-39B5CD1AD06698D01E5FF94C9CAF6ED4" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationInterestExpense" contextRef="FD2017Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">250</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e3604-wk-Fact-96621530D02FAAE073E7F94C9C9F8206" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationInterestExpense" contextRef="FD2016Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,753</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039754e3618-wk-Fact-83056F8A331A62DD14AAF94C9C9F47A0" name="us-gaap:DisposalGroupIncludingDiscontinuedOperationInterestExpense" contextRef="FD2015Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,124</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income (loss) from discontinued operations before income taxes</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e3638-wk-Fact-38FEA02DC62317808970F94C9C9FC120" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" contextRef="FD2017Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,809</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8039754e3652-wk-Fact-4622B51FF8A490F98BB9F94C9C9F1435" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" contextRef="FD2016Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">392,236</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8039754e3667-wk-Fact-10E8DA1F9AC3F035E229F94C9C9F88F9" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax" contextRef="FD2015Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,302,801</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes*</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e3688-wk-Fact-C04409B395ACA1F4410CF94C9CAF4E91" name="us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation" contextRef="FD2017Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">8,592</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8039754e3702-wk-Fact-DD1FC4A60E0AF3DF9608F94C9CAF2747" name="us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation" contextRef="FD2016Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">91,882</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8039754e3717-wk-Fact-BC69DC88E376A046C09AF94C9C9F2648" name="us-gaap:DiscontinuedOperationTaxEffectOfDiscontinuedOperation" contextRef="FD2015Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">468,721</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8039754e3738-wk-Fact-95DBBB2D2F43A955E52DF94C9CAF2A66" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax" contextRef="FD2017Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,783</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8039754e3753-wk-Fact-582844A2E446986AA5DDF94C9C9FA5BE" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax" contextRef="FD2016Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">300,354</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8039754e3768-wk-Fact-0B951300A90227B7CD23F94C9CAFBA83" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax" contextRef="FD2015Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">834,080</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to noncontrolling interest</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039754e3789-wk-Fact-9FC732AD4CCA07A1368FF94C9CAF32E8" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" contextRef="FD2017Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8039754e3803-wk-Fact-247960ED2E14A949C1C3F94C9C9F5834" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" contextRef="FD2016Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">131,691</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8039754e3818-wk-Fact-0682BA00C068B47572EAF94C9CAF6A03" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" contextRef="FD2015Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">35,256</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to the Company</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8039754e3845-wk-Fact-FD8E7154DBE292D8D528F94C9CAF7201" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="FD2017Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,783</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8039754e3860-wk-Fact-DDD973A39B063555064AF94C9C9F99CB" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="FD2016Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">168,663</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8039754e3875-wk-Fact-67C538A600F7FB11B4E2F94C9CAF6C36" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="FD2015Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">798,824</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></ix:continuation><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><ix:continuation id="TextSelection-706D782CA5DD7AD70958F94C9CED0EA1-2" continuedAt="TextSelection-706D782CA5DD7AD70958F94C9CED0EA1-3"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></ix:continuation></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:continuation id="TextSelection-706D782CA5DD7AD70958F94C9CED0EA1-3">Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.</ix:continuation></span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:91.18773946360153%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">70</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><ix:continuation id="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-6" continuedAt="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-7"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The pretax income (loss) from discontinued operations attributable to the Company, related to the operations of and activity associated with Dakota Prairie Refining, was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039754e3911-wk-Fact-58E987CA18419C13AE49F94C9C9F9FB6" name="mdu:PretaxIncomeLossAttributabletotheCompany" contextRef="FD2017Q4YTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_mdu_RefiningMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">6.9</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$(<ix:nonFraction id="d8039754e3915-wk-Fact-E94D6D56766C07C3F066F94C9C9F94EE" name="mdu:PretaxIncomeLossAttributabletotheCompany" 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sign="-" format="ixt:numdotdecimal">31.5</ix:nonFraction>)&#160;million</span></span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-7"> for the years ended December&#160;31, 2017, 2016 and 2015, respectively.</ix:continuation></span></div><div><a id="s0AE9989EA6245EE89B536D98AA79BF2C"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">3</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> - <ix:nonNumeric contextRef="FD2017Q4YTD" 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id="TextSelection-4F876BFF503D161F94E3F94C9CED6B86-1" continuedAt="TextSelection-4F876BFF503D161F94E3F94C9CED6B86-2"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:83.9080459770115%;border-collapse:collapse;text-align:left;"><tr><td colspan="12"></td></tr><tr><td style="width:48%;"></td><td style="width:1%;"></td><td style="width:14%;"></td><td style="width:1%;"></td><td style="width:2%;"></td><td style="width:1%;"></td><td style="width:14%;"></td><td style="width:1%;"></td><td style="width:2%;"></td><td style="width:1%;"></td><td style="width:14%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at January&#160;1, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Goodwill Acquired</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">During the Year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="11" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1330-wk-Fact-EA31D06058C41C971FADF94C9C904F55" name="us-gaap:Goodwill" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">345,736</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1349-wk-Fact-0CFB2C7871B2D57DC243F94C9CAFFE96" name="us-gaap:GoodwillAcquiredDuringPeriod" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1368-wk-Fact-785C1D0CA283DBDAA7B7F94C9CBFD090" name="us-gaap:Goodwill" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">345,736</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1384-wk-Fact-65543A2C594FB1112511F94C9C903A8C" name="us-gaap:Goodwill" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">176,290</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1403-wk-Fact-6F0B845F50A1BCAB3332F94C9CAF4225" name="us-gaap:GoodwillAcquiredDuringPeriod" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1422-wk-Fact-9D95973E060BE48CE17AF94C9CAFE94F" name="us-gaap:Goodwill" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">176,290</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1443-wk-Fact-6D67460C0806C41EBDDCF94C9C90FFC1" name="us-gaap:Goodwill" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">109,765</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1462-wk-Fact-FBEF0FCE111E923C7482522356E5F495" name="us-gaap:GoodwillAcquiredDuringPeriod" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1481-wk-Fact-FABA1ACFCEBE7EDE2EECF94C9CBF92F4" name="us-gaap:Goodwill" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">109,765</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1507-wk-Fact-0EFBF6D8DA53E9915170F94C9CDE70A5" name="us-gaap:Goodwill" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">631,791</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1526-wk-Fact-1D9036FF9252E99A7EDDF94C9CBF5694" name="us-gaap:GoodwillAcquiredDuringPeriod" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1545-wk-Fact-E07AAC22A05E44F074E0F94C9C9F4390" name="us-gaap:Goodwill" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">631,791</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></ix:continuation></div><ix:continuation id="TextSelection-4F876BFF503D161F94E3F94C9CED6B86-2" continuedAt="TextSelection-4F876BFF503D161F94E3F94C9CED6B86-3"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The changes in the carrying amount of goodwill for the year ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.65900383141762%;border-collapse:collapse;text-align:left;"><tr><td colspan="16"></td></tr><tr><td style="width:41%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at January&#160;1, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">*&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Goodwill Acquired</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">During the Year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Less Held for Sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="15" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1790-wk-Fact-3C76E5BFDCF701EA8675F94C9C90F1E8" name="us-gaap:Goodwill" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">345,736</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1809-wk-Fact-B09C0B850ECC3101CAAAF94C9C909A05" name="us-gaap:GoodwillAcquiredDuringPeriod" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1828-wk-Fact-4D058036D9628832716B517028DFFCA0" name="us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1848-wk-Fact-EA31D06058C41C971FADF94C9C904F55" name="us-gaap:Goodwill" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">345,736</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1863-wk-Fact-AC5EF7C39C4F1C26CABDF94C9C90FF40" name="us-gaap:Goodwill" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,737</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1882-wk-Fact-3BFDA2B15EBFB8003AAFF94C9C90A9CC" name="us-gaap:GoodwillAcquiredDuringPeriod" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1901-wk-Fact-B7CE8B5F39C6F64DEACF51677819FE66" name="us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,737</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1921-wk-Fact-DF15F620385FBEC450F4F94C9C909B77" name="us-gaap:Goodwill" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1941-wk-Fact-C323CD1265C980CC39C5F94C9C90EAA4" name="us-gaap:Goodwill" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">176,290</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1960-wk-Fact-3E839485BEDD8BDFAFCDF94C9C902CEF" name="us-gaap:GoodwillAcquiredDuringPeriod" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1979-wk-Fact-146B20A6489317FA1F2251700DDAB037" name="us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e1999-wk-Fact-65543A2C594FB1112511F94C9C903A8C" name="us-gaap:Goodwill" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">176,290</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2019-wk-Fact-32581A7044DDC2D07931F94C9C90FA85" name="us-gaap:Goodwill" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">103,441</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2038-wk-Fact-C2BE859E3876B50FF55FF94C9C908ACD" name="us-gaap:GoodwillAcquiredDuringPeriod" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,324</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2057-wk-Fact-09ECE1BA6AA04AD4FEC551700E865AEB" name="us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2077-wk-Fact-6D67460C0806C41EBDDCF94C9C90FFC1" name="us-gaap:Goodwill" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">109,765</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2102-wk-Fact-502E16389AC07705B98CF94C9C902DD8" name="us-gaap:Goodwill" contextRef="FI2015Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">635,204</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2121-wk-Fact-4A1FB977941015F259CDF94C9C9099EE" name="us-gaap:GoodwillAcquiredDuringPeriod" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,324</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2140-wk-Fact-B786564E0075E167F898522542DC963B" name="us-gaap:GoodwillWrittenOffRelatedToSaleOfBusinessUnit" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,737</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2160-wk-Fact-0EFBF6D8DA53E9915170F94C9CDE70A5" name="us-gaap:Goodwill" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">631,791</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-D1DA5A72AE6DCC2C88EFF94C9CED7CAF-0-wk-Footnote-D1DA5A72AE6DCC2C88EFF94C9CED7CAF_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" continuedAt="TextSelection-D1DA5A72AE6DCC2C88EFF94C9CED7CAF-1">Balance is presented net of accumulated impairment of </ix:footnote></span><ix:continuation id="TextSelection-D1DA5A72AE6DCC2C88EFF94C9CED7CAF-1" continuedAt="TextSelection-D1DA5A72AE6DCC2C88EFF94C9CED7CAF-2"><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8035218e2177-wk-Fact-A895414555938A3ADB89F94C9C80397F" name="us-gaap:GoodwillImpairedAccumulatedImpairmentLoss" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">12.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> at the pipeline and midstream segment, which occurred in prior periods.</span></ix:continuation></div></td></tr></table><ix:continuation id="TextSelection-D1DA5A72AE6DCC2C88EFF94C9CED7CAF-2" continuedAt="TextSelection-D1DA5A72AE6DCC2C88EFF94C9CED7CAF-3"><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.65900383141762%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></ix:continuation></ix:continuation><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-D1DA5A72AE6DCC2C88EFF94C9CED7CAF-3"><ix:continuation id="TextSelection-4F876BFF503D161F94E3F94C9CED6B86-3"></ix:continuation></ix:continuation><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" id="TextSelection-EC111092CB2F4E083DC0F94C9CED8A98-0-wk-Fact-0A5257536CB1F2E2F35AF94C9CDE31F4" continuedAt="TextSelection-EC111092CB2F4E083DC0F94C9CED8A98-1" escape="true">Other amortizable intangible assets at December&#160;31 were as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-EC111092CB2F4E083DC0F94C9CED8A98-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"></td></tr><tr><td style="width:66%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Customer relationships</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035218e2317-wk-Fact-D285B73451735A52FD95F94C9CBFE7BB" name="us-gaap:FiniteLivedIntangibleAssetsGross" contextRef="FI2017Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_CustomerRelationshipsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,248</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2331-wk-Fact-7957E6165E41E0B3A673F94C9C80F862" name="us-gaap:FiniteLivedIntangibleAssetsGross" contextRef="FI2016Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_CustomerRelationshipsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">17,145</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated amortization</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035218e2346-wk-Fact-8733C99F71434EF488A7F94C9C80BE23" name="us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization" contextRef="FI2017Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_CustomerRelationshipsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,382</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2360-wk-Fact-A8F063E8472B9F4E2973F94C9C804CA9" name="us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization" contextRef="FI2016Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_CustomerRelationshipsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,917</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035218e2380-wk-Fact-201EE70F4C3F43B329DEF94C9C80D311" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" contextRef="FI2017Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_CustomerRelationshipsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,866</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2394-wk-Fact-31CA2814C6EEDBE72457F94C9C909F3E" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" contextRef="FI2016Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_CustomerRelationshipsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,228</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Noncompete agreements</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035218e2414-wk-Fact-E8A474BA3C8E9030B815F94C9CAFC0BD" name="us-gaap:FiniteLivedIntangibleAssetsGross" contextRef="FI2017Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_NoncompeteAgreementsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,430</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2428-wk-Fact-9C60CF203D964F697E9DF94C9CCE3903" name="us-gaap:FiniteLivedIntangibleAssetsGross" contextRef="FI2016Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_NoncompeteAgreementsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,430</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035218e2448-wk-Fact-B4790B2581984E27B206F94C9CCE3281" name="us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization" contextRef="FI2017Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_NoncompeteAgreementsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,805</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2462-wk-Fact-422F2408608963853098F94C9C909DD7" name="us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization" contextRef="FI2016Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_NoncompeteAgreementsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,658</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035218e2482-wk-Fact-AAAC6E7EBBFF6E2824FBF94C9C90A77B" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" contextRef="FI2017Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_NoncompeteAgreementsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">625</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2496-wk-Fact-D63B611FC44AC3EE95D1F94C9C90587A" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" contextRef="FI2016Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_NoncompeteAgreementsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">772</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035218e2516-wk-Fact-E33B47E462D134088CC0F94C9C807E79" name="us-gaap:FiniteLivedIntangibleAssetsGross" contextRef="FI2017Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_OtherIntangibleAssetsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,990</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2530-wk-Fact-FABF9220EA4E88D1F18CF94C9C80B41A" name="us-gaap:FiniteLivedIntangibleAssetsGross" contextRef="FI2016Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_OtherIntangibleAssetsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,768</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated amortization</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035218e2550-wk-Fact-BED294C8DE91D6E51C2FF94C9C80D454" name="us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization" contextRef="FI2017Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_OtherIntangibleAssetsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,644</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2564-wk-Fact-E9597224E5501D94B80EF94C9CCEC5B7" name="us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization" contextRef="FI2016Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_OtherIntangibleAssetsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,843</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035218e2584-wk-Fact-5D3EF751554E4A8621F9F94C9C90A3F1" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" contextRef="FI2017Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_OtherIntangibleAssetsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,346</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2598-wk-Fact-6AAF42E2444BD35B40BBF94C9CCE3D1B" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" contextRef="FI2016Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_OtherIntangibleAssetsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,925</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035218e2624-wk-Fact-1517A1787E20615C62ACF94C9CAFCF21" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,837</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035218e2638-wk-Fact-70BECD9F38530276EA29F94C9C9F2398" name="us-gaap:IntangibleAssetsNetExcludingGoodwill" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,925</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></ix:continuation><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><ix:continuation id="TextSelection-9BC20903251C1277C2BDF94C9CEDE8CB-2" continuedAt="TextSelection-9BC20903251C1277C2BDF94C9CEDE8CB-3"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Amortization expense for amortizable intangible assets for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8035218e2667-wk-Fact-F8BA583CDB3C6F40F3C2F94C9CDE93E5" name="us-gaap:AmortizationOfIntangibleAssets" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">2.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8035218e2671-wk-Fact-620CD847F1B9C3168DD4F94C9C9FA19F" name="us-gaap:AmortizationOfIntangibleAssets" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">2.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8035218e2676-wk-Fact-012A56E2B3D2785A4BB7F94C9C9F1566" name="us-gaap:AmortizationOfIntangibleAssets" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">2.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. Estimated amortization expense for intangible assets is </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8035218e2680-wk-Fact-69482BE5D7E980E24710F94C9CDEE11A" name="us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">1.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8035218e2688-wk-Fact-C444C2F0D9EE954FC0F6F94C9C9FA86D" name="us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">1.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2019</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8035218e2696-wk-Fact-6E7358667EA8240C4D12F94C9CDE5618" name="us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" contextRef="FI2017Q4" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">500,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2020</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8035218e2705-wk-Fact-2FB22F5A63ABC22A497AF94C9C90C99D" name="us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" contextRef="FI2017Q4" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">300,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2021</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8035218e2713-wk-Fact-F0C301E579FD6E8A37CCF94C9CAF4AB3" name="us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" contextRef="FI2017Q4" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">200,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2022</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8035218e2722-wk-Fact-7EC270850979705BEB22F94C9C80C084" name="us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive" contextRef="FI2017Q4" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">500,000</ix:nonFraction></span></span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-9BC20903251C1277C2BDF94C9CEDE8CB-3"> thereafter.</ix:continuation></span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">71</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="sFE78752AF34956A1AEA2C35AAC613893"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> - <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock" id="TextSelection-B7D86FFC522200018B46F94C9CED464D-0-wk-Fact-89DF42F389849386EE70F94C9C8068AB" continuedAt="TextSelection-B7D86FFC522200018B46F94C9CED464D-1" escape="true">Regulatory Assets and Liabilities</ix:nonNumeric></span></div><ix:continuation id="TextSelection-B7D86FFC522200018B46F94C9CED464D-1" continuedAt="TextSelection-B7D86FFC522200018B46F94C9CED464D-2"><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfRegulatoryLiabilitiesTextBlock" id="TextSelection-44F32F7121F99DB529F2F94C9CEDE59D-0-wk-Fact-D52D2BC38DC11188CF07F94C9C801D33" continuedAt="TextSelection-44F32F7121F99DB529F2F94C9CEDE59D-1" escape="true"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfRegulatoryAssetsTextBlock" id="TextSelection-F28AFA4971063E77EFC3F94C9CEDDBE7-0-wk-Fact-7644AF789110533CFF23F94C9C807A13" continuedAt="TextSelection-F28AFA4971063E77EFC3F94C9CEDDBE7-1" escape="true">The following table summarizes the individual components of unamortized regulatory assets and liabilities as of December&#160;31:</ix:nonNumeric></ix:nonNumeric></span><ix:continuation id="TextSelection-F28AFA4971063E77EFC3F94C9CEDDBE7-1" continuedAt="TextSelection-F28AFA4971063E77EFC3F94C9CEDDBE7-2"><ix:continuation id="TextSelection-44F32F7121F99DB529F2F94C9CEDE59D-1" continuedAt="TextSelection-44F32F7121F99DB529F2F94C9CEDE59D-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"></td></tr><tr><td style="width:53%;"></td><td style="width:19%;"></td><td style="width:2%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Estimated Recovery</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Period</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">*</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulatory assets:</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pension and postretirement benefits (a)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8035210e1337-wk-Fact-BEE1FE8C3EFF94E1FCFCF94C9C90D694" name="us-gaap:RegulatoryAssetRecoveryAssessments" contextRef="FD2017Q4YTD_us-gaap_RegulatoryAssetAxis_us-gaap_PensionAndOtherPostretirementPlansCostsMember">(e)</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035210e1352-wk-Fact-180C57D9A2DBE320CBCCF94C9C90E7BB" name="us-gaap:RegulatoryAssets" contextRef="FI2017Q4_us-gaap_RegulatoryAssetAxis_us-gaap_PensionAndOtherPostretirementPlansCostsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">163,896</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e1366-wk-Fact-356C852FE924CF53EDB7F94C9C8098A1" name="us-gaap:RegulatoryAssets" contextRef="FI2016Q4_us-gaap_RegulatoryAssetAxis_us-gaap_PensionAndOtherPostretirementPlansCostsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">176,025</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes recoverable from customers (a)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8035210e1381-wk-Fact-DC87228758BBA83520FBF94C9C802E68" name="us-gaap:RegulatoryAssetRecoveryAssessments" contextRef="FD2017Q4YTD_us-gaap_RegulatoryAssetAxis_us-gaap_DeferredIncomeTaxChargesMember">Over plant lives</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035210e1391-wk-Fact-466A81A256D5B44566CBF94C9C9007FD" name="us-gaap:RegulatoryAssets" contextRef="FI2017Q4_us-gaap_RegulatoryAssetAxis_us-gaap_DeferredIncomeTaxChargesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">12,073</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e1405-wk-Fact-9509D7381E8BA7B28C14F94C9C90CB88" name="us-gaap:RegulatoryAssets" contextRef="FI2016Q4_us-gaap_RegulatoryAssetAxis_us-gaap_DeferredIncomeTaxChargesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">28,278</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Manufactured gas plant sites remediation (a)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8035210e1425-wk-Fact-779C69ADDC07938E6666F94C9C907D8E" name="us-gaap:RegulatoryAssetRecoveryAssessments" contextRef="FD2017Q4YTD_us-gaap_RegulatoryAssetAxis_us-gaap_EnvironmentalRestorationCostsMember">-</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035210e1435-wk-Fact-8B2685ED1E6C368C566BF94C9C907D1F" name="us-gaap:RegulatoryAssets" contextRef="FI2017Q4_us-gaap_RegulatoryAssetAxis_us-gaap_EnvironmentalRestorationCostsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">18,213</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e1449-wk-Fact-819C18F5F2955DA6E7B9F94C9C90052E" name="us-gaap:RegulatoryAssets" contextRef="FI2016Q4_us-gaap_RegulatoryAssetAxis_us-gaap_EnvironmentalRestorationCostsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">18,259</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Asset retirement obligations (a)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8035210e1469-wk-Fact-EB1286106CA4A9CC6E31F94C9C80E147" name="us-gaap:RegulatoryAssetRecoveryAssessments" contextRef="FD2017Q4YTD_us-gaap_RegulatoryAssetAxis_us-gaap_AssetRetirementObligationCostsMember">Over plant lives</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035210e1479-wk-Fact-103948F94662BEABD6BCF94C9C80D29B" name="us-gaap:RegulatoryAssets" contextRef="FI2017Q4_us-gaap_RegulatoryAssetAxis_us-gaap_AssetRetirementObligationCostsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">56,078</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e1493-wk-Fact-CF77D1673A46B333C7F6F94C9C8001E0" name="us-gaap:RegulatoryAssets" contextRef="FI2016Q4_us-gaap_RegulatoryAssetAxis_us-gaap_AssetRetirementObligationCostsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">42,580</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas costs recoverable through rate adjustments (b)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8035210e1513-wk-Fact-B2012326F6BD87097084F94C9C80287E" name="us-gaap:RegulatoryAssetRecoveryAssessments" contextRef="FD2017Q4YTD_us-gaap_RegulatoryAssetAxis_us-gaap_AssetRecoverableGasCostsMember">Up to 1 year</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035210e1523-wk-Fact-C606C3EC12A4086AA2D2F94C9C80BABC" name="us-gaap:RegulatoryAssets" contextRef="FI2017Q4_us-gaap_RegulatoryAssetAxis_us-gaap_AssetRecoverableGasCostsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">14,465</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e1537-wk-Fact-3C58D86E9FAC2BBEE29FF94C9C807FCD" name="us-gaap:RegulatoryAssets" contextRef="FI2016Q4_us-gaap_RegulatoryAssetAxis_us-gaap_AssetRecoverableGasCostsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,242</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt refinancing costs (a)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8035210e1557-wk-Fact-6712EA1C6DD77ED02810F94C9C804470" name="us-gaap:RegulatoryAssetRecoveryAssessments" contextRef="FD2017Q4YTD_us-gaap_RegulatoryAssetAxis_us-gaap_LossOnReacquiredDebtMember">Up to 20 years</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035210e1567-wk-Fact-6F4C311245C93113944BF94C9C80F1ED" name="us-gaap:RegulatoryAssets" contextRef="FI2017Q4_us-gaap_RegulatoryAssetAxis_us-gaap_LossOnReacquiredDebtMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,563</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e1581-wk-Fact-EE735B0354141CDDB3B8F94C9C90A673" name="us-gaap:RegulatoryAssets" contextRef="FI2016Q4_us-gaap_RegulatoryAssetAxis_us-gaap_LossOnReacquiredDebtMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,248</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Costs related to identifying generation development (a)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8035210e1601-wk-Fact-9D15A498A319DF29E736F94C9C900475" name="us-gaap:RegulatoryAssetRecoveryAssessments" contextRef="FD2017Q4YTD_us-gaap_RegulatoryAssetAxis_mdu_CostsRelatedToIdentifyingGenerationDevelopmentMember">Up to 9 years</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035210e1611-wk-Fact-53777262C94F91396F7FF94C9C90A717" name="us-gaap:RegulatoryAssets" contextRef="FI2017Q4_us-gaap_RegulatoryAssetAxis_mdu_CostsRelatedToIdentifyingGenerationDevelopmentMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,960</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e1625-wk-Fact-23CE188BF5375F166B83F94C9C9029E2" name="us-gaap:RegulatoryAssets" contextRef="FI2016Q4_us-gaap_RegulatoryAssetAxis_mdu_CostsRelatedToIdentifyingGenerationDevelopmentMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,407</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other (a) (b)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8035210e1645-wk-Fact-5AB97397FFBEBC329FE9F94C9C80C8B2" name="us-gaap:RegulatoryAssetRecoveryAssessments" contextRef="FD2017Q4YTD_us-gaap_RegulatoryAssetAxis_us-gaap_OtherRegulatoryAssetsLiabilitiesMember">Up to 20 years</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035210e1655-wk-Fact-62C8C122B40B1DABB489F94C9C807DAE" name="us-gaap:RegulatoryAssets" contextRef="FI2017Q4_us-gaap_RegulatoryAssetAxis_us-gaap_OtherRegulatoryAssetsLiabilitiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">27,715</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e1669-wk-Fact-11B005339419D8A6B6E4F94C9C808B39" name="us-gaap:RegulatoryAssets" contextRef="FI2016Q4_us-gaap_RegulatoryAssetAxis_us-gaap_OtherRegulatoryAssetsLiabilitiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">30,281</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total regulatory assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035210e1700-wk-Fact-AB6D1BF32EE308161A94F94C9C902A4E" name="us-gaap:RegulatoryAssets" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">300,963</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e1714-wk-Fact-704AD8D59F721BD89070F94C9C808396" name="us-gaap:RegulatoryAssets" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">307,320</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulatory liabilities:</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Plant removal and decommissioning costs (c)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035210e1790-wk-Fact-6BAFEB8D2944740C6E5BF94C9C904711" name="us-gaap:RegulatoryLiabilities" contextRef="FI2017Q4_us-gaap_RegulatoryLiabilityAxis_us-gaap_RemovalCostsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">176,190</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e1804-wk-Fact-7BAE6D6479F2539AA4ADF94C9C8066DA" name="us-gaap:RegulatoryLiabilities" contextRef="FI2016Q4_us-gaap_RegulatoryLiabilityAxis_us-gaap_RemovalCostsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">176,972</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes refundable to customers (c)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035210e1834-wk-Fact-B60B387DFE21C85E919DF94C9C909710" name="us-gaap:RegulatoryLiabilities" contextRef="FI2017Q4_us-gaap_RegulatoryLiabilityAxis_us-gaap_DeferredIncomeTaxChargesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">279,668</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e1848-wk-Fact-F2C2F0E334B0E8D46196F94C9C90BA1F" name="us-gaap:RegulatoryLiabilities" contextRef="FI2016Q4_us-gaap_RegulatoryLiabilityAxis_us-gaap_DeferredIncomeTaxChargesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">11,010</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pension and postretirement benefits (c)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035210e1878-wk-Fact-11BE7077EFC587DF1163F94C9C80AC2D" name="us-gaap:RegulatoryLiabilities" contextRef="FI2017Q4_us-gaap_RegulatoryLiabilityAxis_us-gaap_PensionAndOtherPostretirementPlansCostsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">11,056</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e1892-wk-Fact-753BE60FFD51DBE25CDA7B0501DACB11" name="us-gaap:RegulatoryLiabilities" contextRef="FI2016Q4_us-gaap_RegulatoryLiabilityAxis_us-gaap_PensionAndOtherPostretirementPlansCostsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,099</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas costs refundable through rate adjustments (d)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035210e1922-wk-Fact-7742DB2A85BE429E0513F94C9C90D34D" name="us-gaap:RegulatoryLiabilities" contextRef="FI2017Q4_us-gaap_RegulatoryLiabilityAxis_mdu_LiabilitiesRefundableGasCostsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">28,514</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e1936-wk-Fact-908721EC8C96B48865E6F94C9C80D223" name="us-gaap:RegulatoryLiabilities" contextRef="FI2016Q4_us-gaap_RegulatoryLiabilityAxis_mdu_LiabilitiesRefundableGasCostsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">25,580</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other (c) (d)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035210e1966-wk-Fact-F63807553A5B092A63FAF94C9C90F3A5" name="us-gaap:RegulatoryLiabilities" contextRef="FI2017Q4_us-gaap_RegulatoryLiabilityAxis_us-gaap_OtherRegulatoryAssetsLiabilitiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">23,870</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e1980-wk-Fact-E8B2B1470193F1BAD1D0F94C9C801E9C" name="us-gaap:RegulatoryLiabilities" contextRef="FI2016Q4_us-gaap_RegulatoryLiabilityAxis_us-gaap_OtherRegulatoryAssetsLiabilitiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">19,191</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total regulatory liabilities</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8035210e2010-wk-Fact-ED6861697CC7B771B356F94C9C906F0F" name="us-gaap:RegulatoryLiabilities" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">519,298</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e2024-wk-Fact-268E2AC2359582D03656F94C9C80A3D0" name="us-gaap:RegulatoryLiabilities" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">241,852</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net regulatory position</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8035210e2059-wk-Fact-91325B8D46EA3FEC3BA8F94C9C808B8F" name="us-gaap:NetRegulatoryAssets" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">218,335</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8035210e2074-wk-Fact-7A33D586364B107FA0C8F94C9C80AF90" name="us-gaap:NetRegulatoryAssets" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">65,468</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation></ix:continuation></div><ix:continuation id="TextSelection-F28AFA4971063E77EFC3F94C9CEDDBE7-2" continuedAt="TextSelection-F28AFA4971063E77EFC3F94C9CEDDBE7-3"><ix:continuation id="TextSelection-44F32F7121F99DB529F2F94C9CEDE59D-2" continuedAt="TextSelection-44F32F7121F99DB529F2F94C9CEDE59D-3"><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:6px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-23B1CF43AD3F6F78B428F94C9CEDA8DF-0-wk-Footnote-23B1CF43AD3F6F78B428F94C9CEDA8DF_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Estimated recovery period for regulatory assets currently being recovered in rates charged to customers.</ix:footnote></span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-1B29170E1A86A7EE9F10F94C9CED9822-0-wk-Footnote-1B29170E1A86A7EE9F10F94C9CED9822_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Included in deferred charges and other assets - other on the Consolidated Balance Sheets.</ix:footnote></span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(b)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-0BD51F66280C4B0018A7F94C9CED2AB3-0-wk-Footnote-0BD51F66280C4B0018A7F94C9CED2AB3_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Included in prepayments and other current assets on the Consolidated Balance Sheets.</ix:footnote></span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(c)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-8DCFCA61239AEB4C3BBEF94C9CED62D5-0-wk-Footnote-8DCFCA61239AEB4C3BBEF94C9CED62D5_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Included in deferred credits and other liabilities - other on the Consolidated Balance Sheets.</ix:footnote></span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(d)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-A7F1A010F3091C424A5FF94C9CEDA7CC-0-wk-Footnote-A7F1A010F3091C424A5FF94C9CEDA7CC_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Included in other accrued liabilities on the Consolidated Balance Sheets.</ix:footnote></span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(e)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-5B653B09A52CF327AD77F94C9CEDF743-0-wk-Footnote-5B653B09A52CF327AD77F94C9CEDF743_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Recovered as expense is incurred or cash contributions are made.</ix:footnote></span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></ix:continuation></ix:continuation><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-F28AFA4971063E77EFC3F94C9CEDDBE7-3"><ix:continuation id="TextSelection-44F32F7121F99DB529F2F94C9CEDE59D-3"></ix:continuation></ix:continuation>The regulatory assets are expected to be recovered in rates charged to customers. A portion of the Company's regulatory assets are not earning a return; however, these regulatory assets are expected to be recovered from customers in future rates. As of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8035210e2258-wk-Fact-DB12C18B5E8AA96F6B3AF94C9C80AB39" name="us-gaap:RemainingAmountsOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">269.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8035210e2262-wk-Fact-4F6CDF5FA042D1AC021EF94C9C800F10" name="us-gaap:RemainingAmountsOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided" contextRef="FI2016Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">255.4</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, of regulatory assets were not earning a rate of return.</span></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In the fourth quarter of 2017, the Company performed a one-time revaluation of the Company's regulated deferred tax assets and liabilities for the reduction of the corporate tax rate from 35&#160;percent to 21&#160;percent effective January&#160;1, 2018, as identified in the TCJA. The revaluation of the Company's regulatory deferred tax assets and liabilities are being deferred as the Company works with the various regulators on a plan for amounts expected to be returned to customers, as discussed in Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">16</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. In the fourth quarter of 2017, the revaluation of the deferred tax assets and liabilities resulted in a decrease of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8035210e2273-wk-Fact-EE16E1ADDB9A759E5A575E2737BAAF92" name="us-gaap:DeferredTaxLiabilitiesRegulatoryAssets" contextRef="FI2017Q4_us-gaap_BalanceSheetLocationAxis_us-gaap_OtherNoncurrentAssetsMember_us-gaap_RegulatoryAssetAxis_us-gaap_StrandedCostsMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">15.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in taxes recoverable from customers and an increase of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8035210e2277-wk-Fact-DFFEB375B0F1360FF9735E27BA1C2722" name="us-gaap:DeferredTaxLiabilitiesRegulatoryAssets" contextRef="FI2017Q4_us-gaap_BalanceSheetLocationAxis_us-gaap_OtherNoncurrentLiabilitiesMember_us-gaap_RegulatoryLiabilityAxis_us-gaap_StrandedCostsMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">270.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in taxes refundable to customers. These regulatory amounts are expected to generally be refunded over the remaining life of the related assets as prescribed in the TCJA. The approved regulatory treatment of the impacts of the TCJA by the various regulators may affect the analyses performed.</span></div></ix:continuation><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-B7D86FFC522200018B46F94C9CED464D-2">If, for any reason, the Company's regulated businesses cease to meet the criteria for application of regulatory accounting for all or part of their operations, the regulatory assets and liabilities relating to those portions ceasing to meet such criteria would be removed from the balance sheet and included in the statement of income or accumulated other comprehensive income (loss) in the period in which the discontinuance of regulatory accounting occurs.</ix:continuation></span></div><div><a id="sBBEC644946C75023A7438540E8EC08B8"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">5</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> - <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:FairValueDisclosuresTextBlock" id="TextSelection-004025D46649E1C0023FF94C9CEDBAA7-0-wk-Fact-1BDE3BB319F138086C81F94C9CDEAC5A" continuedAt="TextSelection-004025D46649E1C0023FF94C9CEDBAA7-1" escape="true">Fair Value Measurements</ix:nonNumeric></span></div><ix:continuation id="TextSelection-004025D46649E1C0023FF94C9CEDBAA7-1" continuedAt="TextSelection-004025D46649E1C0023FF94C9CEDBAA7-2"><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:FairValueOfFinancialInstrumentsPolicy" id="TextSelection-896B0E5FEE7FF573FC156BBED61CA21C-0-wk-Fact-A5DEF670D64A852856C26BC1AC4D8045" escape="true">The Company measures its investments in certain fixed-income and equity securities at fair value with changes in fair value recognized in income.</ix:nonNumeric> The Company anticipates using these investments, which consist of an insurance contract, to satisfy its obligations under its unfunded, nonqualified benefit plans for executive officers and certain key management employees, and invests in these fixed-income and equity securities for the purpose of earning investment returns and capital appreciation. These investments, which totaled </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8047573e1166-wk-Fact-E634E68BA66B8D4F0B66F94C9CDEAA98" name="us-gaap:LifeInsuranceCorporateOrBankOwnedAmount" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">77.4</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8047573e1170-wk-Fact-97C5248FCA85E0339279F94C9CDECAA5" name="us-gaap:LifeInsuranceCorporateOrBankOwnedAmount" contextRef="FI2016Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">70.9</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, were classified as investments on the Consolidated Balance Sheets. The net unrealized gains on these investments for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8047573e1195-wk-Fact-FACB06744ADFBFAEAC45F94C9CDE1D5E" name="us-gaap:UnrealizedGainLossOnInvestments" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">9.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8047573e1199-wk-Fact-68B041E82D4201A3E942F94C9CDE79BA" name="us-gaap:UnrealizedGainLossOnInvestments" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">3.4</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">72</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-004025D46649E1C0023FF94C9CEDBAA7-2" continuedAt="TextSelection-004025D46649E1C0023FF94C9CEDBAA7-3"><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8047573e1204-wk-Fact-64CF495C3329D73549F5F94C9CDEB87A" name="us-gaap:UnrealizedGainLossOnInvestments" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">1.7</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. The change in fair value, which is considered part of the cost of the plan, is classified in operation and maintenance expense on the Consolidated Statements of Income.</span></div><div style="line-height:140%;padding-top:14px;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company did not elect the fair value option, which records gains and losses in income, for its available-for-sale securities, which include mortgage-backed securities and U.S. Treasury securities. These available-for-sale securities are recorded at fair value and are classified as investments on the Consolidated Balance Sheets. Unrealized gains or losses are recorded in accumulated other comprehensive income (loss). <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:AvailableForSaleSecuritiesTextBlock" id="TextSelection-683A858DD1B19D718CAFF94C9CED0BFC-0-wk-Fact-A5AC8F196F754955E61AF94C9CDEF4DD" continuedAt="TextSelection-683A858DD1B19D718CAFF94C9CED0BFC-1" escape="true">Details of available-for-sale securities were as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-683A858DD1B19D718CAFF94C9CED0BFC-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:693px;border-collapse:collapse;text-align:left;"><tr><td colspan="13"></td></tr><tr><td style="width:337px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">December&#160;31, 2017</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Cost</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gross</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gains</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gross</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Losses</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Mortgage-backed securities</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1397-wk-Fact-BA9B91A0552C45C492ECF94C9C9F4935" name="us-gaap:AvailableForSaleSecuritiesAmortizedCost" contextRef="FI2017Q4_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_MortgageBackedSecuritiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,342</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1411-wk-Fact-54822A0811380B1C337DF94C9C80D6BE" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" contextRef="FI2017Q4_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_MortgageBackedSecuritiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1425-wk-Fact-2F858E98C81F61FB4C09F94C9C907848" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" contextRef="FI2017Q4_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_MortgageBackedSecuritiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">129</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1440-wk-Fact-758D3C51B4A0D2BE29ADF94C9C80B5B0" name="us-gaap:AvailableForSaleSecurities" contextRef="FI2017Q4_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_MortgageBackedSecuritiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,217</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. Treasury securities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1455-wk-Fact-C74A4B4213A36DB00E7B4D20E1C9F709" name="us-gaap:AvailableForSaleSecuritiesAmortizedCost" contextRef="FI2017Q4_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_USTreasurySecuritiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">205</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1469-wk-Fact-8A44E0F3C4FED7CFD05D4D20E32353F1" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" contextRef="FI2017Q4_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_USTreasurySecuritiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1483-wk-Fact-4EB1513A4419CA0171114D20E4CD72C2" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" contextRef="FI2017Q4_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_USTreasurySecuritiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1497-wk-Fact-6B2062C5CD3E0305355B4D20E69FD057" name="us-gaap:AvailableForSaleSecurities" contextRef="FI2017Q4_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_USTreasurySecuritiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">204</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1523-wk-Fact-0C2DF11336F8F47D34A7F94C9C90E2D4" name="us-gaap:AvailableForSaleSecuritiesAmortizedCost" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,547</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1537-wk-Fact-CC12FB09ADA0C11AECB4F94C9C9F1048" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1551-wk-Fact-EF5142311D209C77B9C9F94C9C8081A9" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">130</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1566-wk-Fact-2691413F9191D931DB3EF94C9CCEB458" name="us-gaap:AvailableForSaleSecurities" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,421</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:693px;border-collapse:collapse;text-align:left;"><tr><td colspan="13"></td></tr><tr><td style="width:337px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">December&#160;31, 2016</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Cost</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gross</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gains</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gross</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Losses</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Mortgage-backed securities</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1748-wk-Fact-BADDBEF39170AAC15896F94C9CCEDD48" name="us-gaap:AvailableForSaleSecuritiesAmortizedCost" contextRef="FI2016Q4_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_MortgageBackedSecuritiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,546</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1762-wk-Fact-5C0C91C5B89844686E07F94C9CCE1615" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" contextRef="FI2016Q4_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_MortgageBackedSecuritiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">8</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1776-wk-Fact-7BCAC813BDC9BBF4A5F2F94C9CCE8F0D" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" contextRef="FI2016Q4_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_MortgageBackedSecuritiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">105</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1791-wk-Fact-67E3923D55DE1D761990F94C9CCEFC54" name="us-gaap:AvailableForSaleSecurities" contextRef="FI2016Q4_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_us-gaap_MortgageBackedSecuritiesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,449</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1811-wk-Fact-1D88EF9E1D71DF3EB6B2F94C9CCE583A" name="us-gaap:AvailableForSaleSecuritiesAmortizedCost" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,546</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1825-wk-Fact-B7FB13B2F839E2FEA0CBF94C9CCE2EC5" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">8</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1839-wk-Fact-2FD863D1EC0A485E9792F94C9CCEC29C" name="us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">105</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e1854-wk-Fact-7E9B22E01BA5A1C2571CF94C9CCE3730" name="us-gaap:AvailableForSaleSecurities" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,449</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. The ASC establishes a hierarchy for grouping assets and liabilities, based on the significance of inputs. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair values of the Company's assets and liabilities measured on a recurring basis are determined using the market approach.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's Level&#160;2 money market funds are valued at the net asset value of shares held at the end of the period, based on published market quotations on active markets, or using other known sources including pricing from outside sources. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the Company's Level&#160;2 mortgage-backed securities and U.S. Treasury securities are based on comparable market transactions, other observable inputs or other sources, including pricing from outside sources.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the Company's Level&#160;2 insurance contract is based on contractual cash surrender values that are determined primarily by investments in managed separate accounts of the insurer. These amounts approximate fair value. The managed separate accounts are valued based on other observable inputs or corroborated market data.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Though the Company believes the methods used to estimate fair value are consistent with those used by other market participants, the use of other methods or assumptions could result in a different estimate of fair value. For the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, there were no transfers between Levels&#160;1 and 2.</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">73</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-004025D46649E1C0023FF94C9CEDBAA7-3" continuedAt="TextSelection-004025D46649E1C0023FF94C9CEDBAA7-4"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" id="TextSelection-2089600EDA925273FBFDF94C9CED07DD-0-wk-Fact-6081E4B859C94DB0B55AF94C9CDED9BF" continuedAt="TextSelection-2089600EDA925273FBFDF94C9CED07DD-1" escape="true">The Company's assets measured at fair value on a recurring basis were as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-2089600EDA925273FBFDF94C9CED07DD-1" continuedAt="TextSelection-2089600EDA925273FBFDF94C9CED07DD-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"></td></tr><tr><td style="width:48%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">at December&#160;31, 2017, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">in Active</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Markets for</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Identical</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Assets</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Observable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unobservable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;3)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Money market funds</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2238-wk-Fact-24F1E9A1B01702DC4467F94C9C9FC27B" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MoneyMarketFundsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2252-wk-Fact-2CA0E898F62E27A3A939F94C9CBF803C" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MoneyMarketFundsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,965</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2266-wk-Fact-4EED09BE903DFD39F13FF94C9C907691" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MoneyMarketFundsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2281-wk-Fact-AD0E514DE39D20DA1793F94C9CCE6355" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MoneyMarketFundsMember_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,965</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Insurance contract*</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2296-wk-Fact-DB6C5CAA8F0E5CABEE91F94C9C907C48" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_CashSurrenderValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2310-wk-Fact-4063EA8D77C9F19EB2DAF94C9C90B598" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_CashSurrenderValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">77,388</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2324-wk-Fact-59C28C5F44FFE6127F75F94C9C9F6A8B" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_CashSurrenderValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2338-wk-Fact-D1517F0C93F79B89A119F94C9C903F21" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_CashSurrenderValueMember_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">77,388</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade 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style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Mortgage-backed securities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2426-wk-Fact-0EB3938D5A3D5D12FABAF94C9CCE482D" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MortgageBackedSecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2440-wk-Fact-E282CFD7B88BF60241D7F94C9CCE8A8D" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MortgageBackedSecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,217</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2454-wk-Fact-F417F6D5C178975A8A2FF94C9C9F8AA6" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MortgageBackedSecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2468-wk-Fact-61784F1D2F6C9C422689F94C9C9F3D35" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MortgageBackedSecuritiesMember_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,217</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. Treasury securities</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2489-wk-Fact-C4F0B8253191B95FA68EF94C9C9F1DE5" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_USTreasurySecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2503-wk-Fact-39D45ABE1CD12156EC704D36BA65E4A9" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_USTreasurySecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">204</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2517-wk-Fact-2AED9311EC7555FFFCC2F94C9CDED71D" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_USTreasurySecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2531-wk-Fact-9665C35EA051A6C80A26F94C9CBFA67A" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_USTreasurySecuritiesMember_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">204</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2557-wk-Fact-2A2CB303D1FE0D6E4B33F94C9C906974" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2571-wk-Fact-613C950E93AD775FC3B3F94C9CDE3B9D" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">94,774</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2585-wk-Fact-D6053C089739A10A1FF3F94C9C9F5568" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e2600-wk-Fact-A0445D08ED1392150B94F94C9C904A61" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2017Q4_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">94,774</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation></div><ix:continuation id="TextSelection-2089600EDA925273FBFDF94C9CED07DD-2" continuedAt="TextSelection-2089600EDA925273FBFDF94C9CED07DD-3"><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-C616CBE09087B4AF5001F94C9CED9B9F-0-wk-Footnote-C616CBE09087B4AF5001F94C9CED9B9F_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" continuedAt="TextSelection-C616CBE09087B4AF5001F94C9CED9B9F-1">The insurance contract invests approximately </ix:footnote></span><ix:continuation id="TextSelection-C616CBE09087B4AF5001F94C9CED9B9F-1" continuedAt="TextSelection-C616CBE09087B4AF5001F94C9CED9B9F-2"><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8047573e2621-wk-Fact-C67EBE0AB96063A4DF43F94C9CAF02C2" name="mdu:PercentageInFixedIncomeAndOtherInvestments" contextRef="FI2017Q4" 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format="ixt:numdotdecimal">14</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of mid-cap companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8047573e2633-wk-Fact-03552D6A5D60379C982CF94C9CAFE595" name="mdu:PercentageInvestmentInCommonStockOfSmallCapCompanies" contextRef="FI2017Q4" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">11</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of small-cap companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8047573e2640-wk-Fact-7BD0E748C34797AFF2AFF94C9CDEED66" name="mdu:PercentageInvestmentinTargetDateInvestments" contextRef="FI2017Q4" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">2</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in target date investments and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8047573e2645-wk-Fact-E6C7260B60448E10CBB2F94C9CDEEFE7" name="mdu:PercentageInvestmentinCashandCashEquivalents" contextRef="FI2017Q4" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">1</ix:nonFraction></span></span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:continuation id="TextSelection-C616CBE09087B4AF5001F94C9CED9B9F-2">&#160;percent in cash equivalents.</ix:continuation></span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"></td></tr><tr><td style="width:48%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">at December&#160;31, 2016, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">in Active</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Markets for</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Identical</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Assets</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Observable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unobservable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;3)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Money market funds</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3003-wk-Fact-DB969FBA535003D19222F94C9C9F8AB9" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MoneyMarketFundsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3017-wk-Fact-6034BA4911D156DFEA49F94C9C9FDC2C" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MoneyMarketFundsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,602</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3031-wk-Fact-000A420EAC7258AA483DF94C9C9F50E8" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MoneyMarketFundsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3046-wk-Fact-EF554FB96CD90D606467F94C9C9F853D" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MoneyMarketFundsMember_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,602</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Insurance contract*</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3061-wk-Fact-CA26193B595AA62DEFD4F94C9C9F9765" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_CashSurrenderValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3075-wk-Fact-4E2C82A1F830F876B279F94C9C9F03BD" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_CashSurrenderValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">70,921</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3089-wk-Fact-3004FF0348D6EA80E8BBF94C9C9FFA18" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_CashSurrenderValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3103-wk-Fact-2BBA088FF524389C2B80F94C9C9FDA2E" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_CashSurrenderValueMember_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">70,921</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Available-for-sale securities:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Mortgage-backed securities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3191-wk-Fact-3ED98E13DA94EA8E52D8F94C9C906076" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MortgageBackedSecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3205-wk-Fact-D13E180773C190EAFD1AF94C9C9F9861" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MortgageBackedSecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,449</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3219-wk-Fact-400C63C360DA5B79D30BF94C9C9F7D2A" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MortgageBackedSecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3233-wk-Fact-CFCC46517364016D085FF94C9C9F3CAB" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MortgageBackedSecuritiesMember_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,449</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3259-wk-Fact-9C06F4492175D76B247CF94C9C9FD724" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3273-wk-Fact-6C0204EAE6DCB2385699F94C9C9F7360" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">82,972</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3287-wk-Fact-9D8CDA8EF2349C0C4FC3F94C9C9F008B" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3302-wk-Fact-7FF1298F3B5EE888A790F94C9C9F3723" name="us-gaap:AssetsFairValueDisclosure" contextRef="FI2016Q4_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">82,972</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-FBA09EC03A243975C551F94C9CEDF8EB-0-wk-Footnote-FBA09EC03A243975C551F94C9CEDF8EB_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" continuedAt="TextSelection-FBA09EC03A243975C551F94C9CEDF8EB-1">The insurance contract invests approximately </ix:footnote></span><ix:continuation id="TextSelection-FBA09EC03A243975C551F94C9CEDF8EB-1" continuedAt="TextSelection-FBA09EC03A243975C551F94C9CEDF8EB-2"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8047573e3322-wk-Fact-93EA45CFB294205203DCF94C9CDEC50F" name="mdu:PercentageInFixedIncomeAndOtherInvestments" contextRef="FI2016Q4" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">52</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in fixed-income investments, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8047573e3326-wk-Fact-12E2C9FD7838EF80688FF94C9CDE2F61" name="mdu:PercentageInvestmentInCommonStockOfLargeCapCompanies" contextRef="FI2016Q4" unitRef="number" 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format="ixt:numdotdecimal">2</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in cash equivalents.</span></ix:continuation></div></td></tr></table><ix:continuation id="TextSelection-FBA09EC03A243975C551F94C9CEDF8EB-2" continuedAt="TextSelection-FBA09EC03A243975C551F94C9CEDF8EB-3"><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></ix:continuation></ix:continuation><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-FBA09EC03A243975C551F94C9CEDF8EB-3"><ix:continuation id="TextSelection-2089600EDA925273FBFDF94C9CED07DD-3"></ix:continuation></ix:continuation>The Company applies the provisions of the fair value measurement standard to its nonrecurring, non-financial measurements, including long-lived asset impairments. These assets are not measured at fair value on an ongoing basis but are subject to fair value adjustments only in certain circumstances. The Company reviews the carrying value of its long-lived assets, excluding goodwill, whenever events or changes in circumstances indicate that such carrying amounts may not be recoverable.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">During the second quarter of 2015, coalbed natural gas gathering assets at the pipeline and midstream segment were reviewed for impairment and found to be impaired and were written down to their estimated fair value using the income approach. Under this approach, fair value is determined by using the present value of future estimated cash flows. The factors used to determine the estimated future cash flows include, but are not limited to, internal estimates of gathering revenue, future commodity prices and operating costs and equipment salvage values. The estimated cash flows are discounted using a rate that approximates the weighted average cost of capital of a market participant. These fair value inputs are not typically observable. 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The estimated fair value of natural gas gathering assets that were impaired at September&#160;30, 2015, was largely determined by agreed upon pricing in a purchase and sale agreement that the Company was negotiating, and these assets were sold in the fourth quarter of 2015. 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For more information on these Level&#160;3 nonrecurring fair value measurements, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's long-term debt is not measured at fair value on the Consolidated Balance Sheets and the fair value is being provided for disclosure purposes only. 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style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td colspan="6" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade 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style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Fair</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Carrying</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Amount</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8047573e3654-wk-Fact-2D83D01288E98F74C698F94C9C800F5A" name="us-gaap:LongTermDebt" contextRef="FI2017Q4_us-gaap_FairValueByMeasurementBasisAxis_us-gaap_CarryingReportedAmountFairValueDisclosureMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,714,853</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8047573e3668-wk-Fact-190F9DD83922F99E3A84F94C9CCEE137" name="us-gaap:LongTermDebtFairValue" contextRef="FI2017Q4_us-gaap_FairValueByMeasurementBasisAxis_us-gaap_EstimateOfFairValueFairValueDisclosureMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,826,256</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3682-wk-Fact-EF450BE4E2902E870D82F94C9CDE7E60" name="us-gaap:LongTermDebt" contextRef="FI2016Q4_us-gaap_FairValueByMeasurementBasisAxis_us-gaap_CarryingReportedAmountFairValueDisclosureMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,790,159</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8047573e3697-wk-Fact-6803C066664C6DFD8606F94C9CCE5A9A" name="us-gaap:LongTermDebtFairValue" contextRef="FI2016Q4_us-gaap_FairValueByMeasurementBasisAxis_us-gaap_EstimateOfFairValueFairValueDisclosureMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,841,885</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></ix:continuation><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-004025D46649E1C0023FF94C9CEDBAA7-5">The carrying amounts of the Company's remaining financial instruments included in current assets and current liabilities approximate their fair values.</ix:continuation></span></div><div><a id="s153EDD566A2759A9B715192F4860169A"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">6</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> -<ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:DebtDisclosureTextBlock" id="TextSelection-E5DFBDEDB73C044318E0F94C9CED08FC-0-wk-Fact-A000CEA99518EA216945F94C9CCE087D" continuedAt="TextSelection-E5DFBDEDB73C044318E0F94C9CED08FC-1" escape="true"> Debt</ix:nonNumeric></span></div><ix:continuation id="TextSelection-E5DFBDEDB73C044318E0F94C9CED08FC-1" continuedAt="TextSelection-E5DFBDEDB73C044318E0F94C9CED08FC-2"><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Certain debt instruments of the Company and its subsidiaries, including those discussed later, contain restrictive covenants and cross-default provisions. In order to borrow under the respective credit agreements, the Company and its subsidiaries must be in compliance with the applicable covenants and certain other conditions. In the event the Company and its subsidiaries do not comply with the applicable covenants and other conditions, alternative sources of funding may need to be pursued.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfLineOfCreditFacilitiesTextBlock" id="TextSelection-259E70EB5FCCC4233456F94C9CEDED7A-0-wk-Fact-94AC6A569F401074D73FF94C9CCE0CD7" continuedAt="TextSelection-259E70EB5FCCC4233456F94C9CEDED7A-1" escape="true">The following table summarizes the outstanding revolving credit facilities of the Company and its subsidiaries:</ix:nonNumeric></span><ix:continuation id="TextSelection-259E70EB5FCCC4233456F94C9CEDED7A-1" continuedAt="TextSelection-259E70EB5FCCC4233456F94C9CEDED7A-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="20"></td></tr><tr><td style="width:13%;"></td><td style="width:22%;"></td><td style="width:3%;"></td><td style="width:1%;"></td><td style="width:6%;"></td><td style="width:1%;"></td><td style="width:3%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:3%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:3%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:3%;"></td><td style="width:12%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Company</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Facility</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Facility</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Limit</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Amount Outstanding&#160;at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Amount Outstanding&#160;at December&#160;31,</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Letters of</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Credit at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Expiration</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Date</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="17" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In millions)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">MDU Resources Group, Inc.</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial paper/Revolving credit agreement</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(a)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1435-wk-Fact-0C75B6C6E4CCBE999165F94C9C80596A" name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_MduResourcesGroupIncMember_us-gaap_CreditFacilityAxis_mdu_CommercialPaperRevolvingCreditAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">175.0</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1454-wk-Fact-4375E5D221052D9B4AF0F94C9C80FE5A" name="us-gaap:LineOfCredit" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_MduResourcesGroupIncMember_us-gaap_CreditFacilityAxis_mdu_CommercialPaperRevolvingCreditAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">73.8</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1474-wk-Fact-9958372DC698942EF509F94C9CCE4641" name="us-gaap:LineOfCredit" contextRef="FI2016Q4_dei_LegalEntityAxis_mdu_MduResourcesGroupIncMember_us-gaap_CreditFacilityAxis_mdu_CommercialPaperRevolvingCreditAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">111.0</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1493-wk-Fact-F2F4322CD98C8FBDA394F94C9C901EA7" name="us-gaap:LettersOfCreditOutstandingAmount" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_MduResourcesGroupIncMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8046358e1507-wk-Fact-D308755082F800EB458AF94C9C80127B" name="us-gaap:LineOfCreditFacilityExpirationDate1" contextRef="FD2017Q4YTD_dei_LegalEntityAxis_mdu_MduResourcesGroupIncMember_us-gaap_CreditFacilityAxis_mdu_CommercialPaperRevolvingCreditAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" format="ixt:datemonthdayyear">5/8/19</ix:nonNumeric></span></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cascade Natural Gas Corporation</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Revolving credit agreement</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1533-wk-Fact-13AE00E0C804A48130227A01D18F3560" name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CascadeNaturalGasCorporationMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">75.0</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(c)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1552-wk-Fact-F12A5CEA44202F09E280F94C9C80B571" name="us-gaap:LineOfCredit" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CascadeNaturalGasCorporationMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">17.3</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1572-wk-Fact-BD45A5903A4A3D3C29C8F94C9C90C8F1" name="us-gaap:LineOfCredit" contextRef="FI2016Q4_dei_LegalEntityAxis_mdu_CascadeNaturalGasCorporationMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1591-wk-Fact-B04EDCE5011F3944B457F94C9C80A7A8" name="us-gaap:LettersOfCreditOutstandingAmount" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CascadeNaturalGasCorporationMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">2.2</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(d)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8046358e1605-wk-Fact-B18A6ACCEDDA3BC9DD54F94C9C907947" name="us-gaap:LineOfCreditFacilityExpirationDate1" contextRef="FD2017Q4YTD_dei_LegalEntityAxis_mdu_CascadeNaturalGasCorporationMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" format="ixt:datemonthdayyear">4/24/20</ix:nonNumeric></span></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intermountain Gas Company</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Revolving credit agreement</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1631-wk-Fact-613A408D36F74DBBD04475F804EACF17" name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">85.0</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(e)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1650-wk-Fact-E4D8E8C597936B8E5429F94C9CCE1E96" name="us-gaap:LineOfCredit" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">40.0</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1670-wk-Fact-4A360155548F14A18335F94C9C908742" name="us-gaap:LineOfCredit" contextRef="FI2016Q4_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">20.9</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1689-wk-Fact-0FDF6F462C0A8FEC8DCEF94C9C803590" name="us-gaap:LettersOfCreditOutstandingAmount" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8046358e1703-wk-Fact-92C55DF6B7127FF81EF1F94C9C90A3A8" name="us-gaap:LineOfCreditFacilityExpirationDate1" contextRef="FD2017Q4YTD_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" format="ixt:datemonthdayyear">4/24/20</ix:nonNumeric></span></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Centennial Energy Holdings, Inc.</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial paper/Revolving credit agreement</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(f)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1729-wk-Fact-41E324C3D70F8B90113CF94C9C805183" name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CentennialEnergyHoldingsIncMember_us-gaap_CreditFacilityAxis_mdu_CommercialPaperRevolvingCreditAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">500.0</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1748-wk-Fact-FC2A413EE1E2993C0559F94C9C80694B" name="us-gaap:LineOfCredit" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CentennialEnergyHoldingsIncMember_us-gaap_CreditFacilityAxis_mdu_CommercialPaperRevolvingCreditAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">14.6</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1768-wk-Fact-9D0F0FF815E3E12394F3F94C9CBF6EDC" name="us-gaap:LineOfCredit" contextRef="FI2016Q4_dei_LegalEntityAxis_mdu_CentennialEnergyHoldingsIncMember_us-gaap_CreditFacilityAxis_mdu_CommercialPaperRevolvingCreditAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">151.0</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e1787-wk-Fact-F608819E04E88101C185F94C9C8052B7" name="us-gaap:LettersOfCreditOutstandingAmount" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CentennialEnergyHoldingsIncMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonNumeric id="d8046358e1801-wk-Fact-8743D37F378A0A9BDFDEF94C9C80322E" name="us-gaap:LineOfCreditFacilityExpirationDate1" contextRef="FD2017Q4YTD_dei_LegalEntityAxis_mdu_CentennialEnergyHoldingsIncMember_us-gaap_CreditFacilityAxis_mdu_CommercialPaperRevolvingCreditAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" format="ixt:datemonthdayyear">9/23/21</ix:nonNumeric></span></span></div></td></tr></table></div></ix:continuation></div><ix:continuation id="TextSelection-259E70EB5FCCC4233456F94C9CEDED7A-2" continuedAt="TextSelection-259E70EB5FCCC4233456F94C9CEDED7A-3"><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The commercial paper program is supported by a revolving credit agreement with various banks (provisions allow for increased borrowings, at the option of the Company on stated conditions, up to a maximum of </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8046358e1814-wk-Fact-BA47210931903CF6D8A5F94C9CCE0C20" name="mdu:OptionToIncreaseBorrowingsMaximumAmount" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_MduResourcesGroupIncMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">225.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">). There were no amounts outstanding under the revolving credit agreement.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(b)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-4F4EE6A3D72172A5C8C1F94C9CED2C7E-0-wk-Footnote-4F4EE6A3D72172A5C8C1F94C9CED2C7E_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Amount outstanding under commercial paper program.</ix:footnote></span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(c)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-A4B647FCE0F9FCDA230BF94C9CED61A3-0-wk-Footnote-A4B647FCE0F9FCDA230BF94C9CED61A3_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" continuedAt="TextSelection-A4B647FCE0F9FCDA230BF94C9CED61A3-1">Certain provisions allow for increased borrowings, up to a maximum of </ix:footnote></span><ix:continuation id="TextSelection-A4B647FCE0F9FCDA230BF94C9CED61A3-1" continuedAt="TextSelection-A4B647FCE0F9FCDA230BF94C9CED61A3-2"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8046358e1848-wk-Fact-8FAD8126093497D6C89FF94C9CCEDC4E" name="mdu:OptionToIncreaseBorrowingsMaximumAmount" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CascadeNaturalGasCorporationMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">100.0</ix:nonFraction>&#160;million</span></span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:continuation id="TextSelection-A4B647FCE0F9FCDA230BF94C9CED61A3-2">.</ix:continuation></span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(d)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-785035F5D34102857090F94C9CED0C8B-0-wk-Footnote-785035F5D34102857090F94C9CED0C8B_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Outstanding letter(s) of credit reduce the amount available under the credit agreement.</ix:footnote></span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(e)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-21B351B572696CBFEC3DF94C9CEDD388-0-wk-Footnote-21B351B572696CBFEC3DF94C9CEDD388_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" continuedAt="TextSelection-21B351B572696CBFEC3DF94C9CEDD388-1">Certain provisions allow for increased borrowings, up to a maximum of </ix:footnote></span><ix:continuation id="TextSelection-21B351B572696CBFEC3DF94C9CEDD388-1" continuedAt="TextSelection-21B351B572696CBFEC3DF94C9CEDD388-2"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8046358e1883-wk-Fact-666673A2613C3E673B85F94C9CCE8D3A" name="mdu:OptionToIncreaseBorrowingsMaximumAmount" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">110.0</ix:nonFraction>&#160;million</span></span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:continuation id="TextSelection-21B351B572696CBFEC3DF94C9CEDD388-2">.</ix:continuation></span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(f)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The commercial paper program is supported by a revolving credit agreement with various banks (provisions allow for increased borrowings, at the option of Centennial on stated conditions, up to a maximum of </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8046358e1902-wk-Fact-00409114AF2DAF67209BF94C9CCEA012" name="mdu:OptionToIncreaseBorrowingsMaximumAmount" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CentennialEnergyHoldingsIncMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">600.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">). There were no amounts outstanding under the revolving credit agreement.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></ix:continuation><div style="line-height:140%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-259E70EB5FCCC4233456F94C9CEDED7A-3"></ix:continuation>The Company's and Centennial's respective commercial paper programs are supported by revolving credit agreements. While the amount of commercial paper outstanding does not reduce available capacity under the respective revolving credit agreements, the Company and Centennial do not issue commercial paper in an aggregate amount exceeding the available capacity under their credit agreements. The commercial paper borrowings may vary during the period, largely the result of fluctuations in working capital requirements due to the seasonality of the construction businesses.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following includes information related to the preceding table.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Long-term debt</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">MDU Resources Group, Inc. </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's revolving credit agreement supports its commercial paper program. Commercial paper borrowings under this agreement are classified as long-term debt as they are intended to be refinanced on a long-term basis through continued commercial paper borrowings.</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">75</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-E5DFBDEDB73C044318E0F94C9CED08FC-2" continuedAt="TextSelection-E5DFBDEDB73C044318E0F94C9CED08FC-3"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The credit agreement contains customary covenants and provisions, including covenants of the Company not to permit, as of the end of any fiscal quarter, (A)&#160;the ratio of funded debt to total capitalization (determined on a consolidated basis) to be greater than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8046358e1998-wk-Fact-B6829FBA6D0E5FC13C8DF94C9CCEDBD7" name="mdu:RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_MduResourcesGroupIncMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">65</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent or (B)&#160;the ratio of funded debt to capitalization (determined with respect to the Company alone, excluding its subsidiaries) to be greater than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8046358e2002-wk-Fact-4C6E6AED21B32E3520E1F94C9CCE6153" name="mdu:RatioOfFundedDebtCapitalizationCompanyAloneAsSpecifiedInDebtConvenants" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_MduResourcesGroupIncMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">65</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent. Other covenants include limitations on the sale of certain assets and on the making of certain loans and investments.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">There are no credit facilities that contain cross-default provisions between the Company and any of its subsidiaries.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Cascade Natural Gas Corporation </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Any borrowings under the revolving credit agreement are classified as long-term debt as they are intended to be refinanced on a long-term basis through continued borrowings.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On April 25, 2017, Cascade amended its revolving credit agreement to increase the borrowing limit from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8046358e2017-wk-Fact-A4FC4F39A78E23085D467A04A7A8D8F6" name="mdu:FacilityLimitAmendedBorrowingCapacity" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CascadeNaturalGasCorporationMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">50.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8046358e2021-wk-Fact-13AE00E0C804A48130227A01D18F3560" name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CascadeNaturalGasCorporationMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">75.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and extend the termination date from July 9, 2018 to April 24, 2020. The credit agreement contains customary covenants and provisions, including a covenant of Cascade not to permit, at any time, the ratio of total debt to total capitalization to be greater than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8046358e2025-wk-Fact-EB6E198626E64880C0D27A2E4A1B8253" name="mdu:RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CascadeNaturalGasCorporationMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">65</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent. Other covenants include restrictions on the sale of certain assets, limitations on indebtedness and the making of certain investments.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Cascade's credit agreement also contains cross-default provisions. These provisions state that if Cascade fails to make any payment with respect to any indebtedness or contingent obligation, in excess of a specified amount, under any agreement that causes such indebtedness to be due prior to its stated maturity or the contingent obligation to become payable, Cascade will be in default under the revolving credit agreement. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Intermountain Gas Company </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Any borrowings under the revolving credit agreement are classified as long-term debt as they are intended to be refinanced on a long-term basis through continued borrowings.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On April 25, 2017, Intermountain amended its revolving credit agreement to increase the borrowing limit from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8046358e2040-wk-Fact-06AE410923A1C4614E8A7A2C4B614AF6" name="mdu:FacilityLimitAmendedBorrowingCapacity" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">65.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8046358e2044-wk-Fact-613A408D36F74DBBD04475F804EACF17" name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">85.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and extend the termination date from July&#160;13, 2018 to April&#160;24, 2020. 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These provisions state that if Intermountain fails to make any payment with respect to any indebtedness or contingent obligation, in excess of a specified amount, under any agreement that causes such indebtedness to be due prior to its stated maturity or the contingent obligation to become payable, or certain conditions result in an early termination date under any swap contract that is in excess of a specified amount, then Intermountain will be in default under the revolving credit agreement.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Centennial Energy Holdings, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Centennial's revolving credit agreement supports its commercial paper program. 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These provisions state that if Centennial or any subsidiary of Centennial fails to make any payment with respect to any indebtedness or contingent obligation, in excess of a specified amount, under any agreement that causes such indebtedness to be due prior to its stated maturity or the contingent obligation to become payable, the applicable agreements will be in default.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">WBI Energy Transmission, Inc. </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">WBI Energy Transmission has a </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8046358e2084-wk-Fact-E26836A966953BCBE8DCF94C9CCE997C" name="mdu:LongtermPrivateShelfAgreementIssuanceCapacity" contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_WbiEnergyTransmissionIncMember_us-gaap_CreditFacilityAxis_mdu_UncommittedLongTermPrivateShelfAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">200.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> uncommitted note purchase and private shelf agreement with an expiration date of May 16, 2019. 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contextRef="I2017Q4D_dei_LegalEntityAxis_mdu_WbiEnergyTransmissionIncMember_us-gaap_CreditFacilityAxis_mdu_UncommittedLongTermPrivateShelfAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">4.18</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent on June&#160;15, 2018.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Long-term Debt Outstanding</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfDebtInstrumentsTextBlock" id="TextSelection-24FDF3FBA13D955AAB61F94C9CED2EEA-0-wk-Fact-2B2680437D6411A23A6BF94C9CCEC6E0" continuedAt="TextSelection-24FDF3FBA13D955AAB61F94C9CED2EEA-1" escape="true">Long-term debt outstanding was as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-24FDF3FBA13D955AAB61F94C9CED2EEA-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:93.10344827586206%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"></td></tr><tr><td style="width:57%;"></td><td style="width:14%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Weighed Average Interest Rate at December 31, 2017</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">December&#160;31, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Senior Notes due on dates ranging from June 19, 2018 to January&#160;15, 2055</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8046358e2242-wk-Fact-15455961DDEDE105DDE68B2F734417A7" name="us-gaap:LongtermDebtWeightedAverageInterestRate" contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_SeniorNotesMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">4.71</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8046358e2257-wk-Fact-2973BDCD5E3EE58D6BA8F94C9CBF64C9" name="us-gaap:LongTermDebt" contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_SeniorNotesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,499,916</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2271-wk-Fact-DEA1CF8104068AD6E383F94C9CCE4C12" name="us-gaap:LongTermDebt" contextRef="FI2016Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_SeniorNotesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,437,831</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial paper supported by revolving credit agreements</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8046358e2286-wk-Fact-5E03C4C2125031B72B498B2F746C6ACE" name="us-gaap:LongtermDebtWeightedAverageInterestRate" contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_CommercialPaperMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">1.72</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8046358e2296-wk-Fact-A184A7A8085EB05B6D05F94C9CDE2B7F" name="us-gaap:LongTermDebt" contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_CommercialPaperMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">88,350</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2310-wk-Fact-EC30E01E96C76E75B781F94C9CCEDED7" name="us-gaap:LongTermDebt" contextRef="FI2016Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_CommercialPaperMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">262,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Medium-Term Notes due on dates ranging from September&#160;1, 2020 to March&#160;16, 2029</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8046358e2330-wk-Fact-526649FEC2FF3ACB315B8B2F763E8193" name="us-gaap:LongtermDebtWeightedAverageInterestRate" contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_MediumTermNotesMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">6.68</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8046358e2340-wk-Fact-33648F283ACEB142F350F94C9C9025F5" name="us-gaap:LongTermDebt" contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_MediumTermNotesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">50,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2354-wk-Fact-D002BB41C65DC2468935F94C9CCEBCAC" name="us-gaap:LongTermDebt" contextRef="FI2016Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_MediumTermNotesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">50,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other notes due on dates ranging from July 1, 2019 to November 30, 2038</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8046358e2374-wk-Fact-17E416A030DAF1950B038B2F778ACCC0" name="us-gaap:LongtermDebtWeightedAverageInterestRate" contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_NotesPayableToBanksMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">5.24</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8046358e2384-wk-Fact-B8D600F3756F8F38CA11F94C9C9F9E55" name="us-gaap:LongTermDebt" contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_NotesPayableToBanksMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">24,982</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2398-wk-Fact-A51C1B83AEA4AAE813C7F94C9C9095D3" name="us-gaap:LongTermDebt" contextRef="FI2016Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_NotesPayableToBanksMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">24,471</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Credit agreements due on April 24, 2020</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8046358e2418-wk-Fact-E6C5B31BECF3F2B9A3228B2F78D96CF1" name="us-gaap:LongtermDebtWeightedAverageInterestRate" contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_RevolvingCreditFacilityMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">3.71</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8046358e2428-wk-Fact-4120C3A9B8F471B2B5D3F94C9CCEDC54" name="us-gaap:LongTermDebt" contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_RevolvingCreditFacilityMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">57,300</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2442-wk-Fact-D16AA104EBB5207F10DBF94C9CDE78A6" name="us-gaap:LongTermDebt" contextRef="FI2016Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_RevolvingCreditFacilityMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">21,793</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less unamortized debt issuance costs</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8046358e2472-wk-Fact-77AD5D5C0DF19AB003FAF94C9CCE7F5E" name="us-gaap:DeferredFinanceCostsNet" contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,694</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2486-wk-Fact-208CD0D3787C0FD3E555F94C9CCE8FD3" name="us-gaap:DeferredFinanceCostsNet" contextRef="FI2016Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,832</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less discount</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8046358e2516-wk-Fact-E8E09B180F5BB78A54AAF94C9CBF3746" name="us-gaap:DebtInstrumentUnamortizedDiscount" contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2530-wk-Fact-1779099F7FCE0F465534F94C9CDE8388" name="us-gaap:DebtInstrumentUnamortizedDiscount" contextRef="FI2016Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_LongTermDebtMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">104</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total long-term debt</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8046358e2560-wk-Fact-CA7628CF327AACC72626F94C9C9F203C" name="us-gaap:LongTermDebt" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,714,853</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2574-wk-Fact-E4B340B5C04CED955463F94C9CDE2795" name="us-gaap:LongTermDebt" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,790,159</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less current maturities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8046358e2604-wk-Fact-387B9093FBC12D8D7344F94C9CDE7309" name="us-gaap:LongTermDebtCurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">148,499</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2618-wk-Fact-90778456490CE456F2A9F94C9C9F7BC4" name="us-gaap:LongTermDebtCurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">43,598</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net long-term debt</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8046358e2654-wk-Fact-CDD865FD11FF1B64575CF94C9C9FE6E4" name="us-gaap:LongTermDebtNoncurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,566,354</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2668-wk-Fact-0AAF097B59D460703A3BF94C9CDEFFD2" name="us-gaap:LongTermDebtNoncurrent" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,746,561</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock" id="TextSelection-2E340E42EFEEA8CEA92DF94C9CEDF5A6-0-wk-Fact-C8E23FAAE785C7561BDBF94C9CCED676" continuedAt="TextSelection-2E340E42EFEEA8CEA92DF94C9CEDF5A6-1" escape="true">Schedule of Debt Maturities </ix:nonNumeric></span><ix:continuation id="TextSelection-2E340E42EFEEA8CEA92DF94C9CEDF5A6-1" continuedAt="TextSelection-2E340E42EFEEA8CEA92DF94C9CEDF5A6-2"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Long-term debt maturities, which excludes unamortized debt issuance costs and discount, for the five years and thereafter following </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span></ix:continuation></div></ix:continuation><div style="line-height:140%;padding-top:0px;text-align:center;font-size:10pt;"><ix:continuation id="TextSelection-E5DFBDEDB73C044318E0F94C9CED08FC-4"><ix:continuation id="TextSelection-2E340E42EFEEA8CEA92DF94C9CEDF5A6-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="19"></td></tr><tr><td style="width:28%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2019</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2020</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2021</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2022</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Thereafter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt maturities</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2926-wk-Fact-EDC11F1E1C13ECD6F1D2F94C9CCE74E0" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">148,499</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2940-wk-Fact-649CD30CCBA93116D6ECF94C9CBF31F0" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">125,504</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2954-wk-Fact-30BED30F993DEEFC03C0F94C9CDEABA4" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">73,012</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2969-wk-Fact-2E5977FDE9133B0879B4F94C9CDEF75A" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,312</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2983-wk-Fact-E70411C3DDD9D5675A02F94C9CBF9DDA" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">147,214</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8046358e2997-wk-Fact-6C17CFEF09C2E4117B95F94C9CCE5BC1" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,211,007</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div><a id="s893F6F5C704E556998721C3EF54B5835"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">7</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> - <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:AssetRetirementObligationDisclosureTextBlock" id="TextSelection-9DD51B7F8EB084324E70F94C9CED5284-0-wk-Fact-01F27F4D46AD01B9B651F94C9C9F2FED" continuedAt="TextSelection-9DD51B7F8EB084324E70F94C9CED5284-1" escape="true">Asset Retirement Obligations</ix:nonNumeric></span></div><ix:continuation id="TextSelection-9DD51B7F8EB084324E70F94C9CED5284-1" continuedAt="TextSelection-9DD51B7F8EB084324E70F94C9CED5284-2"><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company records obligations related to retirement costs of natural gas distribution mains and lines, natural gas transmission lines, storage facilities, decommissioning of certain electric generating facilities, reclamation of certain aggregate properties, special handling and disposal of hazardous materials at certain electric generating facilities, natural gas distribution facilities and buildings, and certain other obligations as asset retirement obligations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfChangeInAssetRetirementObligationTableTextBlock" id="TextSelection-1B04C3F78D96BAD2C707F94C9CED4AE5-0-wk-Fact-5146AB9E047C0D0A3E38F94C9C9F4C4C" continuedAt="TextSelection-1B04C3F78D96BAD2C707F94C9CED4AE5-1" escape="true">A reconciliation of the Company's liability, which is included in other accrued liabilities and deferred credits and other liabilities - other on the Consolidated Balance Sheets, for the years ended December&#160;31 was as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-1B04C3F78D96BAD2C707F94C9CED4AE5-1" continuedAt="TextSelection-1B04C3F78D96BAD2C707F94C9CED4AE5-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"></td></tr><tr><td style="width:66%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at beginning of year</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8034298e1269-wk-Fact-0CF37C42883ED74013F5F94C9CBF3EE6" name="us-gaap:AssetRetirementObligation" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">314,970</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8034298e1283-wk-Fact-6D11314E575A35DF2893F94C9CBF41E6" name="us-gaap:AssetRetirementObligation" contextRef="FI2015Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">242,224</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Liabilities incurred</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8034298e1298-wk-Fact-563624FBDB7C083A4FA2F94C9C905D46" name="us-gaap:AssetRetirementObligationLiabilitiesIncurred" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,110</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8034298e1312-wk-Fact-ABF14A2FF17E14AA8531F94C9C9F6282" name="us-gaap:AssetRetirementObligationLiabilitiesIncurred" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,114</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Liabilities settled</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8034298e1332-wk-Fact-2F93ACC2EF6489833F1DF94C9CCE5875" name="us-gaap:AssetRetirementObligationLiabilitiesSettled" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,981</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8034298e1347-wk-Fact-F7C872253BCEF8C34E2EF94C9CBF92AA" name="us-gaap:AssetRetirementObligationLiabilitiesSettled" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,338</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accretion expense*</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8034298e1368-wk-Fact-678F6A02CC272773663C525C79CECBC0" name="us-gaap:AssetRetirementObligationAccretionExpense" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">16,839</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8034298e1382-wk-Fact-2138531C3ABD2DFA5BFEF94C9CBFBD4A" name="us-gaap:AssetRetirementObligationAccretionExpense" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,918</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Revisions in estimates</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8034298e1402-wk-Fact-009BAC897C0C4289A684F94C9CCE4FDE" name="us-gaap:AssetRetirementObligationRevisionOfEstimate" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">31</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8034298e1416-wk-Fact-CC5B7278F60A768CB4BBF94C9CBF1B46" name="us-gaap:AssetRetirementObligationRevisionOfEstimate" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">48,052</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at end of year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8034298e1441-wk-Fact-E3C3B57985B6F152B5B1F94C9CDE4558" name="us-gaap:AssetRetirementObligation" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">341,969</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8034298e1455-wk-Fact-0CF37C42883ED74013F5F94C9CBF3EE6" name="us-gaap:AssetRetirementObligation" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">314,970</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></ix:continuation></div><ix:continuation id="TextSelection-1B04C3F78D96BAD2C707F94C9CED4AE5-2" continuedAt="TextSelection-1B04C3F78D96BAD2C707F94C9CED4AE5-3"><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Includes </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8034298e1475-wk-Fact-391B9F87FF6E87C161957839B2DA7FB3" name="us-gaap:AccretionExpenseIncludingAssetRetirementObligations" contextRef="FD2017Q4YTD_us-gaap_RegulatoryAssetAxis_us-gaap_AssetRetirementObligationCostsMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">15.6</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8034298e1479-wk-Fact-F181653BB22CA3796876783A0E2FC268" name="us-gaap:AccretionExpenseIncludingAssetRetirementObligations" contextRef="FD2016Q4YTD_us-gaap_RegulatoryAssetAxis_us-gaap_AssetRetirementObligationCostsMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">12.7</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> in 2017 and 2016, respectively, related to regulatory assets.</span></div></td></tr></table></ix:continuation><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><ix:continuation id="TextSelection-1B04C3F78D96BAD2C707F94C9CED4AE5-3"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The 2016 revisions in estimates consist principally of updated asset retirement obligation costs associated with natural gas transmission lines and storage facilities at the pipeline and midstream segment. </span></div></ix:continuation><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><ix:continuation id="TextSelection-9DD51B7F8EB084324E70F94C9CED5284-2" continuedAt="TextSelection-9DD51B7F8EB084324E70F94C9CED5284-3"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company believes that largely all expenses related to asset retirement obligations at the Company's regulated operations will be recovered in rates over time and, accordingly, defers such expenses as regulatory assets. For more information on the Company's regulatory assets and liabilities, see Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-9DD51B7F8EB084324E70F94C9CED5284-3">.</ix:continuation></span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">77</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="sF9B8C6E64A795A8E8F39238B06DE8676"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">8</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> - <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:PreferredStockTextBlock" id="TextSelection-B09986D5A66533A0635BF94C9CEDE7F6-0-wk-Fact-B7171F38C00EADB6EBF6F94C9C9FB316" continuedAt="TextSelection-B09986D5A66533A0635BF94C9CEDE7F6-1" escape="true">Preferred Stocks</ix:nonNumeric></span></div><ix:continuation id="TextSelection-B09986D5A66533A0635BF94C9CEDE7F6-1" continuedAt="TextSelection-B09986D5A66533A0635BF94C9CEDE7F6-2"><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="mdu:PreferredStockTableTextBlock" id="TextSelection-EF04414F614D4731AC22F94C9CEDDF07-0-wk-Fact-3BE879E8898D327EB27EF94C9CAFE211" continuedAt="TextSelection-EF04414F614D4731AC22F94C9CEDDF07-1" escape="true">Preferred stocks at December&#160;31 were as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-EF04414F614D4731AC22F94C9CEDDF07-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"></td></tr><tr><td style="width:66%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands, except shares</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">and per share amounts)</span></div></td><td style="vertical-align:bottom;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Authorized:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Preferred -</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">500,000 shares, cumulative, par value $100, issuable in series</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Preferred stock A -</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:18px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,000,000 shares, cumulative, without par value, issuable in series (none outstanding)</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Preference -</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:18px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">500,000 shares, cumulative, without par value, issuable in series (none outstanding)</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Outstanding:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.50% Series - 100,000 shares</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8034775e1558-wk-Fact-7FBFAA8CFF927CE365D8F94C9C907346" name="us-gaap:PreferredStockValue" contextRef="FI2017Q4_us-gaap_StatementClassOfStockAxis_mdu_PreferredStockSeries45Member" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8034775e1572-wk-Fact-8DD2496443828E6526C9F94C9CDEEBF6" name="us-gaap:PreferredStockValue" contextRef="FI2016Q4_us-gaap_StatementClassOfStockAxis_mdu_PreferredStockSeries45Member" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.70% Series - 50,000 shares</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8034775e1588-wk-Fact-8CA5B92E167A8F3CE547F94C9C9F5738" name="us-gaap:PreferredStockValue" contextRef="FI2017Q4_us-gaap_StatementClassOfStockAxis_mdu_PreferredStockSeries470Member" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8034775e1602-wk-Fact-576A67C665B430336EB0F94C9CAFF562" name="us-gaap:PreferredStockValue" contextRef="FI2016Q4_us-gaap_StatementClassOfStockAxis_mdu_PreferredStockSeries470Member" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total preferred stocks</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8034775e1627-wk-Fact-7A626B694AA1BD080A54618E2AE3E95A" name="us-gaap:PreferredStockValue" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8034775e1641-wk-Fact-5D07D6AA3330CAD353D0F94C9C9FB49B" name="us-gaap:PreferredStockValue" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></ix:continuation><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><ix:continuation id="TextSelection-B09986D5A66533A0635BF94C9CEDE7F6-2" continuedAt="TextSelection-B09986D5A66533A0635BF94C9CEDE7F6-3"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For the years </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, dividends declared on the </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span><ix:nonFraction id="d8034775e1666-wk-Fact-BBDE557BA20B6C33DBDAF94C9CAF05FE" name="us-gaap:PreferredStockDividendRatePercentage" contextRef="FD2016Q4YTD_us-gaap_StatementClassOfStockAxis_mdu_PreferredStockSeries45Member" unitRef="number" decimals="INF" scale="-2" format="ixt:numdotdecimal">4.50</ix:nonFraction>%</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Series and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span><ix:nonFraction id="d8034775e1670-wk-Fact-3F45277D32EF16DD8315F94C9CAF27DE" name="us-gaap:PreferredStockDividendRatePercentage" contextRef="FD2016Q4YTD_us-gaap_StatementClassOfStockAxis_mdu_PreferredStockSeries470Member" unitRef="number" decimals="INF" scale="-2" format="ixt:numdotdecimal">4.70</ix:nonFraction>%</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Series preferred stocks were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8034775e1674-wk-Fact-1E5CB22F6C18D388447AF94C9CCE8C16" name="us-gaap:PreferredStockDividendsPerShareDeclared" contextRef="FD2016Q4YTD_us-gaap_StatementClassOfStockAxis_mdu_PreferredStockSeries45Member" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">4.50</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8034775e1679-wk-Fact-DC238CDCA09A35306CE8F94C9CAF4F89" name="us-gaap:PreferredStockDividendsPerShareDeclared" contextRef="FD2016Q4YTD_us-gaap_StatementClassOfStockAxis_mdu_PreferredStockSeries470Member" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">4.70</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> per share, respectively. On April 1, 2017, the Company redeemed all outstanding </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8034775e1683-wk-Fact-46B456B057FF033A61328CA3A90D85E5" name="us-gaap:PreferredStockDividendRatePercentage" contextRef="D2017Q1_us-gaap_StatementClassOfStockAxis_mdu_PreferredStockSeries45Member" unitRef="number" decimals="INF" scale="-2" format="ixt:numdotdecimal">4.50</ix:nonFraction>%</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Series and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8034775e1687-wk-Fact-D8BCFD50AAF8627520688CA4B8D694A5" name="us-gaap:PreferredStockDividendRatePercentage" contextRef="D2017Q1_us-gaap_StatementClassOfStockAxis_mdu_PreferredStockSeries470Member" unitRef="number" decimals="INF" scale="-2" format="ixt:numdotdecimal">4.70</ix:nonFraction>%</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Series preferred stocks at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8034775e1691-wk-Fact-101629808F07493E1B91F94C9CBF24CC" name="us-gaap:PreferredStockRedemptionPricePerShare" contextRef="I2017Q2PS_us-gaap_StatementClassOfStockAxis_mdu_PreferredStockSeries45Member" unitRef="usdPerShare" decimals="0" scale="0" format="ixt:numdotdecimal">105</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> per share and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8034775e1695-wk-Fact-6F0521920788F7DC9E1EF94C9CAF2727" name="us-gaap:PreferredStockRedemptionPricePerShare" contextRef="I2017Q2PS_us-gaap_StatementClassOfStockAxis_mdu_PreferredStockSeries470Member" unitRef="usdPerShare" decimals="0" scale="0" format="ixt:numdotdecimal">102</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> per share, respectively, for a repurchase price of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8034775e1699-wk-Fact-81079C6CA01A22367A5B51BD2631E2F9" name="us-gaap:PaymentsForRepurchaseOfRedeemablePreferredStock" contextRef="D2017Q1" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">15.6</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8034775e1704-wk-Fact-B4AF67D0D1C6A0E4E99251BDD28B6C44" name="mdu:RedeemablePreferredStockClassifiedasLongTermDebt" contextRef="D2017Q1" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">300,000</ix:nonFraction></span></span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-B09986D5A66533A0635BF94C9CEDE7F6-3"> of redeemable preferred stock classified as long-term debt.</ix:continuation></span></div><div><a id="s3C02CEEF421C531A92CBD0B7A9ADC970"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">9</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> - <ix:nonNumeric contextRef="FD2017Q4YTD" name="mdu:CommonStockDisclosureTextBlock" id="TextSelection-3FD7AD48BF8EDA7401FBF94C9CED2FB6-0-wk-Fact-67C1FF78A7BAE31A620DF94C9CDEFEA1" continuedAt="TextSelection-3FD7AD48BF8EDA7401FBF94C9CED2FB6-1" escape="true">Common Stock </ix:nonNumeric></span></div><ix:continuation id="TextSelection-3FD7AD48BF8EDA7401FBF94C9CED2FB6-1" continuedAt="TextSelection-3FD7AD48BF8EDA7401FBF94C9CED2FB6-2"><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For the years </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, dividends declared on common stock were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8029520e1175-wk-Fact-5D1B8288CD7432D81831517FAF55AF8E" name="us-gaap:CommonStockDividendsPerShareDeclared" contextRef="FD2017Q4YTD" unitRef="usdPerShare" decimals="4" scale="0">.7750</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8029520e1179-wk-Fact-A8BAC94BACCA646A5EB4517F8C318288" name="us-gaap:CommonStockDividendsPerShareDeclared" contextRef="FD2016Q4YTD" unitRef="usdPerShare" decimals="4" scale="0">.7550</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8029520e1184-wk-Fact-7D0DA5DAA2A144D11336F94C9C9F38FF" name="us-gaap:CommonStockDividendsPerShareDeclared" contextRef="FD2015Q4YTD" unitRef="usdPerShare" decimals="4" scale="0">.7350</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> per common share, respectively.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Stock Purchase Plan provided interested investors the opportunity to make optional cash investments and to reinvest all or a percentage of their cash dividends in shares of the Company's common stock. The K-Plan provides participants the option to invest in the Company's common stock. From January 2015 through August 2015, the Stock Purchase Plan and K-Plan, with respect to Company stock, purchased shares of authorized but unissued common stock from the Company. From September 2015 through December 2017, the K-Plan purchased shares of common stock on the open market. At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, there were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8029520e1195-wk-Fact-F02E11A8F1BD310CA04EF94C9CCE37BF" name="us-gaap:CommonStockCapitalSharesReservedForFutureIssuance" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="shares" decimals="-5" scale="6" format="ixt:numdotdecimal">7.8</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> shares of common stock reserved for original issuance under the K-Plan. From September 2015 through December 4, 2016, the Stock Purchase Plan purchased shares of common stock on the open market. On December&#160;5, 2016, the Stock Purchase Plan was terminated and all remaining shares reserved for original issuance under the plan were de-registered.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company depends on earnings from its divisions and dividends from its subsidiaries to pay dividends on common stock. The declaration and payment of dividends is at the sole discretion of the board of directors, subject to limitations imposed by the Company's credit agreements, federal and state laws, and applicable regulatory limitations. In addition, the Company and Centennial are generally restricted to paying dividends out of capital accounts or net assets. The following discusses the most restrictive limitations.</span></div></ix:continuation><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><ix:continuation id="TextSelection-3FD7AD48BF8EDA7401FBF94C9CED2FB6-2" continuedAt="TextSelection-3FD7AD48BF8EDA7401FBF94C9CED2FB6-3"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Pursuant to a covenant under a credit agreement, Centennial may only declare or pay distributions if as of the last day of any fiscal quarter, the ratio of Centennial's average consolidated indebtedness as of the last day of such fiscal quarter and each of the preceding three fiscal quarters to Centennial's Consolidated EBITDA does not exceed </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8029520e1205-wk-Fact-AC37D825ECCCA2F3355FF94C9CCE0CA1" name="mdu:MaximumDistributionsToTheCompanyAsARatioOfAverageConsolidatedIndebtednessToConsolidatedEBITDA" contextRef="FD2017Q4YTD_dei_LegalEntityAxis_mdu_CentennialMember" unitRef="number" decimals="0" scale="0" format="ixt:numdotdecimal">3</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to 1; and after giving effect to such distribution, all distributions made during the 12-month period ending on the last day of the fiscal quarter in which such distribution is made will not exceed the remainder of Centennial's Consolidated EBITDA minus Centennial's capital expenditures less the net cash proceeds from all sales of capital assets from continuing operations, for the immediately preceding 12-month period. Intermountain has regulatory limitations on the amount of dividends it can pay. Based on these limitations, approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8029520e1209-wk-Fact-567E2A44B739EAAED300F94C9CDE155F" name="us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries" contextRef="FI2017Q4" unitRef="usd" decimals="-8" scale="9" format="ixt:numdotdecimal">1.3</ix:nonFraction>&#160;billion</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of the net assets of the Company's subsidiaries were restricted from being used to transfer funds to the Company at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. In addition, the Company's credit agreement also contains restrictions on dividend payments. The most restrictive limitation requires the Company not to permit the ratio of funded debt to capitalization (determined with respect to the Company alone, excluding its subsidiaries) to be greater than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span><ix:nonFraction id="d8029520e1217-wk-Fact-1E1A86B3772BD78F84D4F94C9C9FC4AF" name="mdu:RatioOfEarningsBeforeInterestAndTaxesToInterestExpenseAsSpecifiedInDebtConvenants" contextRef="FD2017Q4YTD" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">65</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent. Based on this limitation, approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8029520e1221-wk-Fact-1CB25BA818E0F65DB43AF94C9C90EC85" name="mdu:CompanysExcludingItsSubsidiariesNetAssetsRestrictedFromUseForDividendPayments" contextRef="FI2017Q4" unitRef="usd" decimals="-6" scale="6" format="ixt:numdotdecimal">384</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of the Company's (excluding its subsidiaries) net assets, which represents common stockholders' equity including retained earnings, would be restricted from use for dividend payments at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-3FD7AD48BF8EDA7401FBF94C9CED2FB6-3">. In addition, state regulatory commissions may require the Company to maintain certain capitalization ratios. These requirements are not expected to affect the Company's ability to pay dividends in the near term.</ix:continuation></span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">78</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="sA21095C11B9C5B2A8A5C631B76D51EDB"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">10</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> - <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock" id="TextSelection-40583C1666066DA02906F94C9CED957E-0-wk-Fact-ECCA200D06BA3A25E833F94C9C90C7BC" continuedAt="TextSelection-40583C1666066DA02906F94C9CED957E-1" escape="true">Stock-Based Compensation</ix:nonNumeric></span></div><ix:continuation id="TextSelection-40583C1666066DA02906F94C9CED957E-1" continuedAt="TextSelection-40583C1666066DA02906F94C9CED957E-2"><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company has several stock-based compensation plans under which it is currently authorized to grant restricted stock and other stock awards. As of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, there were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8042465e1167-wk-Fact-765C6A15371E2AFDC559510D3FF57FF9" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" contextRef="FI2017Q4" unitRef="shares" decimals="-5" scale="6" format="ixt:numdotdecimal">5.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> remaining shares available to grant under these plans. The Company generally purchases shares on the open market for non-employee director stock awards. The Company purchased shares on the open market for the employee performance shares that vested in 2017. The Company anticipates future employee performance share awards will continue to be satisfied by purchasing shares on the open market.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Total stock-based compensation expense (after tax) was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8042465e1174-wk-Fact-1D820B844D18D38C1580510DD6DEF275" name="us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">2.7</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8042465e1178-wk-Fact-9AA90AA54656D5A40734510DC07FACF6" name="us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">3.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8042465e1182-wk-Fact-6B0669553B90390435FF510DA4C07E9D" name="us-gaap:AllocatedShareBasedCompensationExpenseNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">2.9</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">As of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, total remaining unrecognized compensation expense related to stock-based compensation was approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8042465e1206-wk-Fact-A2220655501D3DBCDA91510CE0033741" name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">4.8</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (before income taxes) which will be amortized over a weighted average period of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonNumeric id="d8042465e1210-wk-Fact-4EFDF1F1DBFC0DD259DD515C275B7E07" name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" contextRef="FD2017Q4YTD" format="ixt-sec:duryear">1.5</ix:nonNumeric></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;years.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Stock awards</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Non-employee directors receive shares of common stock in addition to and in lieu of cash payment for directors' fees. Shares of common stock were issued under the non-employee director stock compensation plan or the non-employee director long-term incentive compensation plan. There were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8042465e1224-wk-Fact-633C93A5F13C968635F4510A64F952E1" name="us-gaap:ShareBasedGoodsAndNonemployeeServicesTransactionQuantityOfSecuritiesIssued" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_mdu_NonemployeeDirectorStockCompensationPlanMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">40,572</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;shares with a fair value of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8042465e1228-wk-Fact-B51DFE2705E2BC7EC38F5109AA08467B" name="us-gaap:ShareBasedGoodsAndNonemployeeServicesTransactionStockholdersEquity" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_mdu_NonemployeeDirectorStockCompensationPlanMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">1.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8042465e1232-wk-Fact-2B05479688B91E585C87510B6904DB02" name="us-gaap:ShareBasedGoodsAndNonemployeeServicesTransactionQuantityOfSecuritiesIssued" contextRef="FD2016Q4YTD_us-gaap_AwardTypeAxis_mdu_NonemployeeDirectorStockCompensationPlanMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">37,218</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;shares with a fair value of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8042465e1236-wk-Fact-9B297C5AB23E8A22B90E510B9D92296E" name="us-gaap:ShareBasedGoodsAndNonemployeeServicesTransactionStockholdersEquity" contextRef="FD2016Q4YTD_us-gaap_AwardTypeAxis_mdu_NonemployeeDirectorStockCompensationPlanMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">1.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8042465e1240-wk-Fact-F83812E4E7244B33A437510B7CF4EBE7" name="us-gaap:ShareBasedGoodsAndNonemployeeServicesTransactionQuantityOfSecuritiesIssued" contextRef="FD2015Q4YTD_us-gaap_AwardTypeAxis_mdu_NonemployeeDirectorStockCompensationPlanMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">58,181</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;shares with a fair value of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8042465e1245-wk-Fact-8032382AC85636DC0026510900B65882" name="us-gaap:ShareBasedGoodsAndNonemployeeServicesTransactionStockholdersEquity" contextRef="FD2015Q4YTD_us-gaap_AwardTypeAxis_mdu_NonemployeeDirectorStockCompensationPlanMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">1.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> issued under these plans during the years ended December&#160;31, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. </span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Performance share awards</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Since 2003, key employees of the Company have been awarded performance share awards each year. Entitlement to performance shares is based on the Company's total shareholder return over designated performance periods as measured against a selected peer group.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="mdu:TargetGrantsPerformanceSharesTableTextBlock" id="TextSelection-35639D41B3EACF97DF0FF94C9CED4A09-0-wk-Fact-627D58EDA01A55586411F94C9CCEB281" continuedAt="TextSelection-35639D41B3EACF97DF0FF94C9CED4A09-1" escape="true">Target grants of performance shares outstanding at </ix:nonNumeric></span><ix:continuation id="TextSelection-35639D41B3EACF97DF0FF94C9CED4A09-1"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:515px;border-collapse:collapse;text-align:left;"><tr><td colspan="4"></td></tr><tr><td style="width:337px;"></td><td style="width:89px;"></td><td style="width:86px;"></td><td style="width:3px;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">Grant Date</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Performance</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Period</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Target Grant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">of Shares</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">February 2016</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:normal;">2016-2018</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e1331-wk-Fact-E3054BFF44EE73FFAD8B5112CF981918" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" contextRef="FI2017Q4_us-gaap_AwardDateAxis_mdu_GrantdateFebruary2016Member_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">258,825</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">March 2016</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:normal;">2016-2018</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e1351-wk-Fact-D4B5A1E2CB4574F5FB545112CF961B68" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" contextRef="FI2017Q4_us-gaap_AwardDateAxis_mdu_GrantDateMarch2016Member_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">2,151</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">February 2017</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2017-2019</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e1371-wk-Fact-A1598151DBBBABD2DAF05112CF9ABCE6" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized" contextRef="FI2017Q4_us-gaap_AwardDateAxis_mdu_Grantdatefebruary2017Member_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">164,558</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Participants may earn from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span><ix:nonFraction id="d8042465e1389-wk-Fact-91CF1CC7CCE639ACE94DF94C9CCEC305" name="mdu:ParticipantTargetGrantofSharesPercentageRateRange" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember_us-gaap_RangeAxis_us-gaap_MinimumMember" unitRef="number" decimals="2" scale="-2" format="ixt-sec:numwordsen">zero</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span><ix:nonFraction id="d8042465e1393-wk-Fact-5BCCFA9B8A1D4D6C15D3F94C9C90DD47" name="mdu:ParticipantTargetGrantofSharesPercentageRateRange" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember_us-gaap_RangeAxis_us-gaap_MaximumMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">200</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent of the target grant of shares based on the Company's total shareholder return relative to that of the selected peer group. Compensation expense is based on the grant-date fair value as determined by Monte Carlo simulation. The blended volatility term structure ranges are comprised of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span><ix:nonFraction id="d8042465e1397-wk-Fact-093EF6B311F214B9EBE3F94C9CCE644B" name="mdu:HistoricalVolitilityRate" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">50</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent historical volatility and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span><ix:nonFraction id="d8042465e1401-wk-Fact-913FFA1DEF2D5DEFD7B2F94C9CCEB163" name="mdu:ImpliedVolatilityRate" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">50</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent implied volatility. Risk-free interest rates were based on U.S. Treasury security rates in effect as of the grant date. <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock" id="TextSelection-DCA13A6B349639E756B8F94C9CED9D0C-0-wk-Fact-CA204A6A4CDC657F1285F94C9CCEA64A" continuedAt="TextSelection-DCA13A6B349639E756B8F94C9CED9D0C-1" escape="true">Assumptions used for grants of performance shares issued in </ix:nonNumeric></span><ix:continuation id="TextSelection-DCA13A6B349639E756B8F94C9CED9D0C-1"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade 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style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average grant-date fair value</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>$<ix:nonFraction id="d8042465e1575-wk-Fact-B9DC52A733165CFE811BF94C9CBF6EFF" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">24.31</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>$<ix:nonFraction id="d8042465e1604-wk-Fact-5D4996B58C3FDD840922F94C9CBFCAF3" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" contextRef="FD2016Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">14.60</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>$<ix:nonFraction id="d8042465e1632-wk-Fact-A50A289337D8B69F5EFBF94C9CBFDC4B" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" contextRef="FD2015Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">18.98</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Blended volatility range</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8042465e1647-wk-Fact-4382CEC7C837281A7676F94C9CBFECC8" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">22.70</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8042465e1662-wk-Fact-1C62282221C078E4AF39F94C9CBFB687" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">25.56</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e1677-wk-Fact-5A347009D9437323AA37F94C9CBF1BAE" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" contextRef="FD2016Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">29.25</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e1692-wk-Fact-E8C4F2389C21B729A13BF94C9CBFBD7D" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" contextRef="FD2016Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">32.51</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e1708-wk-Fact-A2532185AE8057A13F34F94C9CBF73A2" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" contextRef="FD2015Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">22.86</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e1723-wk-Fact-CDEEB42475737C95FEBCF94C9CBF0A54" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" contextRef="FD2015Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">24.61</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Risk-free interest rate range</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8042465e1744-wk-Fact-2E402D867B433B6839A9F94C9CBF13F6" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="number" decimals="4" scale="-2">.69</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8042465e1759-wk-Fact-B85A02DDE2ACF13FBAFAF94C9CBF1C29" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">1.61</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e1774-wk-Fact-36895EE487E19D706348F94C9CBFF6EE" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" contextRef="FD2016Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="number" decimals="4" scale="-2">.47</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e1789-wk-Fact-A4CC4119EAD96D719E75F94C9CBF2B3E" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" contextRef="FD2016Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="number" decimals="4" scale="-2">.92</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e1805-wk-Fact-2BFFA7F3B7F506F7CAB4F94C9CBF328A" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" contextRef="FD2015Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="number" decimals="4" scale="-2">.05</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e1820-wk-Fact-B4C65575C26AAC31311EF94C9CBFF45F" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" contextRef="FD2015Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">1.07</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average discounted dividends per share</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>$<ix:nonFraction id="d8042465e1860-wk-Fact-A83F2D436C1AF9EE1A03F94C9CBF695E" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="usd" decimals="2" scale="0" format="ixt:numdotdecimal">1.70</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>$<ix:nonFraction id="d8042465e1889-wk-Fact-013CECE1C763B156D16EF94C9CBFB56C" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments" contextRef="FD2016Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="usd" decimals="2" scale="0" format="ixt:numdotdecimal">1.56</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>$<ix:nonFraction id="d8042465e1917-wk-Fact-8E97FAF6E986010B020BF94C9CBF72BC" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments" contextRef="FD2015Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="usd" decimals="2" scale="0" format="ixt:numdotdecimal">1.57</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The fair value of the performance shares that vested during the years ended December&#160;31, 2017 and 2016, was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8042465e1936-wk-Fact-C062416B6557AA42A2AA7802D5BFBDF7" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">9.6</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8042465e1940-wk-Fact-6C0F2DD4ECA81AA29BCE513CEDE3B1D1" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue" contextRef="FD2016Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">953,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. There were no performance shares that vested in 2015.</span></div></ix:continuation><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><ix:continuation id="TextSelection-40583C1666066DA02906F94C9CED957E-2"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock" id="TextSelection-8D1C456CBB999E451270F94C9CED5360-0-wk-Fact-B009350F527E1A8A0057F94C9CCE9594" continuedAt="TextSelection-8D1C456CBB999E451270F94C9CED5360-1" escape="true">A summary of the status of the performance share awards for the year ended </ix:nonNumeric></span><ix:continuation id="TextSelection-8D1C456CBB999E451270F94C9CED5360-1"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, was as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="6"></td></tr><tr><td style="width:72%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Number of</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Shares</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Weighted</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Average</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Grant-Date</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonvested at beginning of period</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e2021-wk-Fact-C49DBB86DF3FD9D03ADF51361EE0E597" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" contextRef="FI2016Q4_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">664,188</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e2035-wk-Fact-D9A153DF29CEF36C098751361EE3373B" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" contextRef="FI2016Q4_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">21.47</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Granted</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e2050-wk-Fact-77A434B562F4AC4B8AF151361ED99787" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">203,646</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e2059-wk-Fact-B9DC52A733165CFE811BF94C9CBF6EFF" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">24.31</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Additional performance shares earned</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e2079-wk-Fact-215DECA3802AF1700B115E32F19B61AC" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPeriodIncreaseDecrease" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">81,643</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e2088-wk-Fact-2FBB59D91E3A1197091B5E32F195B93C" name="mdu:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalPerformanceSharesWeightedAverageGrantDateFairValue" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">19.22</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Vested</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e2139-wk-Fact-B4B3F7A907F4BCB45C385E32F1988D5F" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">360,319</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e2148-wk-Fact-73143C446E72F365EC025E32F191CBC4" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">24.88</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Forfeited</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e2168-wk-Fact-386D72AAC5970B6DC7DE51361EEA9412" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">163,624</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e2177-wk-Fact-B439EEBDCDEA3D30CC8551361ECF7BCE" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">24.46</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonvested at end of period</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e2197-wk-Fact-EDD40A723284886579CBF94C9C9F7AE9" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber" contextRef="FI2017Q4_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="shares" decimals="0" scale="0" format="ixt:numdotdecimal">425,534</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8042465e2211-wk-Fact-1ECAFC60D5E5F94555D751361ED88FEC" name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue" contextRef="FI2017Q4_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:numdotdecimal">18.35</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">79</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s8CCF1A45A8BD584D986B76D89041DEAB"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">11</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> - <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:IncomeTaxDisclosureTextBlock" id="TextSelection-FD345D7678DA9FEEA42AF94C9CED5CBC-0-wk-Fact-11A1D6B0EC69CD31FCC0F94C9C9F585D" continuedAt="TextSelection-FD345D7678DA9FEEA42AF94C9CED5CBC-1" escape="true">Income Taxes</ix:nonNumeric></span></div><ix:continuation id="TextSelection-FD345D7678DA9FEEA42AF94C9CED5CBC-1" continuedAt="TextSelection-FD345D7678DA9FEEA42AF94C9CED5CBC-2"><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock" id="TextSelection-C052874251E95991D6E9F94C9CED159F-0-wk-Fact-1A366F61A13C367400C6F94C9CAFC5DE" continuedAt="TextSelection-C052874251E95991D6E9F94C9CED159F-1" escape="true">The components of income before income taxes from continuing operations for each of the years ended December&#160;31 were as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-C052874251E95991D6E9F94C9CED159F-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:61%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">United States</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e1298-wk-Fact-E2BA4B4C502A0577011FF94C9CDE1BF4" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">350,064</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e1312-wk-Fact-DC530C32C1755507297CF94C9CDE2159" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">326,252</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e1326-wk-Fact-026C199D30FF6954935FF94C9CDECEB6" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">248,379</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Foreign</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e1341-wk-Fact-F4C6EB5528C79B73D32AF94C9CDEDCD7" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">37</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e1356-wk-Fact-4C746F22D09B3D93C103F94C9CDE6D19" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">24</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e1371-wk-Fact-4836F33396D8C9DBE7EEF94C9CDE18E8" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,326</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income before income taxes from continuing operations</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e1397-wk-Fact-3BA36E0CEBF8A91D48BEF94C9CBF677B" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">350,027</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e1411-wk-Fact-C2B2B824FC6A67EAF023F94C9C80CB98" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">326,228</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e1425-wk-Fact-0770F6FA4432E4C0984FF94C9C90F4A5" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">247,053</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock" id="TextSelection-3F5E8B4E00B56569D25CF94C9CED772F-0-wk-Fact-9C277E050648CAF31BEEF94C9CAF329C" continuedAt="TextSelection-3F5E8B4E00B56569D25CF94C9CED772F-1" escape="true">Income tax expense from continuing operations for the years ended December&#160;31 was as follows: </ix:nonNumeric></span><ix:continuation id="TextSelection-3F5E8B4E00B56569D25CF94C9CED772F-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:61%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Federal</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e1628-wk-Fact-0E144C385AEABA7EC081F94C9CAF5DB7" name="us-gaap:CurrentFederalTaxExpenseBenefit" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">74,272</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e1642-wk-Fact-AF2180AFC4841D17A39AF94C9CAF6961" name="us-gaap:CurrentFederalTaxExpenseBenefit" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">81,989</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e1656-wk-Fact-A56B023F9194345F7B08F94C9CCEB65C" name="us-gaap:CurrentFederalTaxExpenseBenefit" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">85,897</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">State</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e1671-wk-Fact-083D277AC3D363D14EB5F94C9CAFAAB6" name="us-gaap:CurrentStateAndLocalTaxExpenseBenefit" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">16,192</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e1685-wk-Fact-F87DBF56BAF5EFD38832F94C9CBF26A0" name="us-gaap:CurrentStateAndLocalTaxExpenseBenefit" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,190</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e1699-wk-Fact-874B27BF0D4B227E9799F94C9CCE775F" name="us-gaap:CurrentStateAndLocalTaxExpenseBenefit" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,093</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Foreign</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e1719-wk-Fact-D4856029E2E5E4E2BC1EF94C9CAF1729" name="us-gaap:CurrentForeignTaxExpenseBenefit" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e1733-wk-Fact-9ED4C6DACC066D29C613F94C9CAFA22E" name="us-gaap:CurrentForeignTaxExpenseBenefit" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e1747-wk-Fact-677689ECFE8616706639F94C9CAFBAE3" name="us-gaap:CurrentForeignTaxExpenseBenefit" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">30</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e1767-wk-Fact-0EFDD31938229EF56835F94C9C9F1761" name="us-gaap:CurrentIncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">90,464</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e1781-wk-Fact-410D10352FF2D1FA5936F94C9CAFEED4" name="us-gaap:CurrentIncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">95,181</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e1795-wk-Fact-590BE00D5FFB4447A953F94C9CBF9919" name="us-gaap:CurrentIncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">96,020</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Federal</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e1912-wk-Fact-5DA8710BA3DD09F4F612F94C9CBF59F1" name="us-gaap:DeferredFederalIncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">24,497</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e1927-wk-Fact-0DB055258E7D5FB8BC12F94C9CAF111C" name="us-gaap:DeferredFederalIncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,102</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e1942-wk-Fact-0D1499A513477F3C1C44F94C9CAF127B" name="us-gaap:DeferredFederalIncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">19,632</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">State</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e1963-wk-Fact-78EA1CFDA48274CEF583F94C9CCE0824" name="us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">864</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e1978-wk-Fact-1A6261DBFFA5630F3BC8F94C9CAF697E" name="us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,184</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e1992-wk-Fact-620693D0C1A763D74F0FF94C9CAF72D7" name="us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">5,304</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Investment tax credit - net</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e2014-wk-Fact-9576C5D5C6FEB4D42795F94C9C9FBB9E" name="us-gaap:IncomeTaxCreditsAndAdjustments" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">62</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e2029-wk-Fact-9302F6C20E6F44184D6FF94C9CCE0A32" name="us-gaap:IncomeTaxCreditsAndAdjustments" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,131</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e2044-wk-Fact-D37DA6B7A5AEDCB08249F94C9CCE5725" name="us-gaap:IncomeTaxCreditsAndAdjustments" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">420</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e2065-wk-Fact-0BCB6C2538CC06403085F94C9CBFE601" name="us-gaap:DeferredIncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">25,423</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e2080-wk-Fact-F9645B36FDF6C4233C99F94C9CDE6EFD" name="us-gaap:DeferredIncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,049</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e2095-wk-Fact-5DBEB4D7F4552F733A24F94C9C90EDF1" name="us-gaap:DeferredIncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">25,356</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total income tax expense</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2121-wk-Fact-101C7EA8EC5B7B350C9FF94C9CDE7DEF" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">65,041</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2135-wk-Fact-CD41FD82CDCF96E45BBBF94C9C9087F3" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">93,132</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2149-wk-Fact-EDCD2931E5918C35A744F94C9CBF04F5" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">70,664</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In accordance with the accounting guidance on accounting for income taxes, the tax effects of the change in tax laws or rates are to be recorded in the period of enactment. The TCJA was enacted on December 22, 2017, as discussed in Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">1</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Therefore, the reduction in the corporate tax rate from 35&#160;percent to 21&#160;percent required the Company to prepare a one-time revaluation of the Company's deferred tax assets and liabilities in the fourth quarter of 2017, the period of enactment. The deferred taxes were revalued at the new tax rate because deferred taxes should reflect what the Company expects to pay or receive in future periods under the applicable tax rate. As a result of the revaluation, the Company reduced the value of these assets and liabilities and recorded a tax benefit from continuing operations of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8056840e2170-wk-Fact-2867A94A75CF6B87C007786BEC0ED650" name="us-gaap:IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability" contextRef="FD2017Q4QTD" unitRef="usd" decimals="-5" scale="6" sign="-" format="ixt:numdotdecimal">39.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> on the Consolidated Statements of Income for the year ended December 31, 2017. Included in the tax benefit from continuing operations was income tax expense of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8056840e2174-wk-Fact-021F1D3ADBA876B32767786E84951C38" name="us-gaap:IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability" contextRef="FD2017Q4QTD_us-gaap_OtherComprehensiveIncomeLocationAxis_us-gaap_OtherComprehensiveIncomeMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">7.7</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> related to amounts in accumulated other comprehensive loss and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8056840e2178-wk-Fact-56B96F1C2D4196BDC93D78739FE71B36" name="us-gaap:IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability" contextRef="FD2017Q4QTD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DiscontinuedOperationsHeldforsaleMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">1.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> related to the Company's assets held for sale.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's regulated operations prepared a one-time revaluation of the Company's regulatory deferred tax assets and liabilities in the fourth quarter of 2017 related to the enactment of the TCJA. The revaluation is being deferred under regulatory accounting as the Company works with the various regulators on a plan for amounts expected to be returned to customers, as discussed in Notes </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">16</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. The revaluation of the deferred tax assets and liabilities resulted in a net decrease of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8056840e2193-wk-Fact-8668380D950A70B043AB787FA16A6ABD" name="mdu:DeferredTaxLiabilitiesReclasstoRegulatoryAssets" contextRef="FD2017Q4QTD_us-gaap_RegulatoryLiabilityAxis_us-gaap_StrandedCostsMember" unitRef="usd" decimals="-5" scale="6" sign="-" format="ixt:numdotdecimal">285.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in the fourth quarter of 2017. These regulatory amounts are expected to generally be refunded over the remaining life of the related assets as prescribed in the TCJA. The approved regulatory treatment of the impacts of the TCJA by the various regulators may affect the analyses performed.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The changes included in the TCJA are broad and complex. While the Company was able to make reasonable estimates of the impact of the reduction in corporate tax rate on the Company's net deferred tax liabilities, it may be affected by other analyses related to the TCJA, including, but not limited to, the state tax effect of adjustments to federal temporary differences and the calculation of deemed repatriation of deferred foreign income. The final transition impacts of the TCJA may differ from amounts disclosed, possibly materially, due to, among other things, changes in interpretations, legislative action to address questions, changes in accounting standards for income taxes or related interpretations, or updates or changes to estimates the Company has utilized to calculate the transition impacts. The SEC has issued rules that would allow for a measurement period of up to one year after the enactment date of the TCJA to finalize the recording of the related tax impacts. The Company currently anticipates finalizing and recording any resulting adjustments by December&#160;31, 2018, which will be included in income from continuing operations.</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">80</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-FD345D7678DA9FEEA42AF94C9CED5CBC-2" continuedAt="TextSelection-FD345D7678DA9FEEA42AF94C9CED5CBC-3"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock" id="TextSelection-AC853879E652D070A832F94C9CED28E1-0-wk-Fact-5B55822FFB1C9B55ED14F94C9CAFC8CA" continuedAt="TextSelection-AC853879E652D070A832F94C9CED28E1-1" escape="true">Components of deferred tax assets and deferred tax liabilities at December&#160;31 were as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-AC853879E652D070A832F94C9CED28E1-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"></td></tr><tr><td style="width:70%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:52px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred tax assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Postretirement</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2342-wk-Fact-F4CF20D7A13990D029F1F94C9C90EEAC" name="us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">55,736</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2356-wk-Fact-6145B889CD0187A3386CF94C9C90370A" name="us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">87,872</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Compensation-related</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2371-wk-Fact-C28172A7452BA7645CBCF94C9C9FE6C9" name="us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">16,298</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2385-wk-Fact-ACDF8B6045928E0C038FF94C9C9FE4CC" name="us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">44,995</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Alternative minimum tax credit carryforward</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2405-wk-Fact-AE1F1BF5766355C4F9D4F94C9C9FFE94" name="us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">37,683</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2419-wk-Fact-25A7B9FB2B83F512317EF94C9CCEF37C" name="us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">29,338</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Federal renewable energy credit</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2439-wk-Fact-34D6D0D2C51AC6139B3FF94C9C9FCD2E" name="mdu:DeferredTaxAssetsTaxCreditCarryforwardsProductionTaxCredits" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">19,367</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2453-wk-Fact-21FA39387885270ED0A5F94C9C904552" name="mdu:DeferredTaxAssetsTaxCreditCarryforwardsProductionTaxCredits" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">16,944</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Customer advances</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2473-wk-Fact-7E9E583AE38CCE001EA5F94C9C905251" name="mdu:CustomerAdvances" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">8,712</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2487-wk-Fact-04BA777DA45AA1761CEEF94C9C909B28" name="mdu:CustomerAdvances" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,524</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Legal and environmental contingencies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2507-wk-Fact-CCBF4921E1ECC6A7D8B5F94C9CCEBD62" name="us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,363</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2521-wk-Fact-DDC1008E2BF85824B229F94C9CCE71DC" name="us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,895</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Asset retirement obligations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2541-wk-Fact-3760BCE7E84857A6707CF94C9C9F8482" name="us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,380</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2555-wk-Fact-70417B03AE512BD849AFF94C9C907F78" name="us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">8,867</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2575-wk-Fact-CFC7294D3EC6CD032541F94C9C90A832" name="us-gaap:DeferredTaxAssetsOther" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">35,738</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2589-wk-Fact-832ABA576C2313890F4EF94C9CCE6C7F" name="us-gaap:DeferredTaxAssetsOther" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">46,957</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total deferred tax assets</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2610-wk-Fact-4D7EA3E3781316BBBEAFF94C9CDEAF70" name="us-gaap:DeferredTaxAssetsGross" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">187,277</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2624-wk-Fact-A07A352E88596070B070F94C9C905DE7" name="us-gaap:DeferredTaxAssetsGross" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">258,392</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred tax liabilities:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Depreciation and basis differences on property, plant and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2678-wk-Fact-9AF1EA547B286AFBFDE1F94C9CCE106D" name="us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">429,577</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2692-wk-Fact-14676525DD82A8156EF9F94C9CCEE088" name="us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">774,838</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Postretirement</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2712-wk-Fact-68A926D59FCF5F1EB6BAF94C9C90904A" name="mdu:DeferredTaxliabilitiesPostretirementBenefits" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">43,505</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2726-wk-Fact-7705A44C59EA2305D6BEF94C9C908057" name="mdu:DeferredTaxliabilitiesPostretirementBenefits" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">70,670</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intangible asset amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2746-wk-Fact-553F86CAA50444E3AAC9F94C9C90D7E1" name="us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">16,979</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2760-wk-Fact-03A778A04B38C32B5A12F94C9C9FBC23" name="us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">26,413</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2780-wk-Fact-008EA6C8858C4B4F52FCF94C9C9F93A1" name="us-gaap:DeferredTaxLiabilitiesOther" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">32,591</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2794-wk-Fact-F7A9DEC2CDD74C7560A0F94C9C9F7E63" name="us-gaap:DeferredTaxLiabilitiesOther" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">45,580</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total deferred tax liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2814-wk-Fact-C0F25727BA27DFE4DC26F94C9C90594E" name="us-gaap:DeferredIncomeTaxLiabilities" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">522,652</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2828-wk-Fact-17C4712202AAD2363835F94C9C901C6C" name="us-gaap:DeferredIncomeTaxLiabilities" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">917,501</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Valuation allowance</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2848-wk-Fact-C3E6E134E813A1709269F94C9C903C44" name="us-gaap:DeferredTaxAssetsValuationAllowance" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">11,896</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2862-wk-Fact-10EB7FC79A99F6288968F94C9C900A72" name="us-gaap:DeferredTaxAssetsValuationAllowance" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,117</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net deferred income tax liability</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e2887-wk-Fact-40F5789A0CA405412659F94C9C90072D" name="us-gaap:DeferredTaxLiabilities" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">347,271</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e2901-wk-Fact-ECA311DBADA98C116447F94C9CCEC92F" name="us-gaap:DeferredTaxLiabilities" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">668,226</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">As of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company had various state income tax net operating loss carryforwards of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8056840e2926-wk-Fact-BD4FE50EAE404A950D07F94C9CAFA04C" name="us-gaap:OperatingLossCarryforwards" contextRef="FI2017Q4_us-gaap_IncomeTaxAuthorityAxis_us-gaap_StateAndLocalJurisdictionMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">130.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8056840e2930-wk-Fact-642B37AE3451A7839342F94C9CAFB012" name="us-gaap:OperatingLossCarryforwards" contextRef="FI2016Q4_us-gaap_IncomeTaxAuthorityAxis_us-gaap_StateAndLocalJurisdictionMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">114.7</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, and federal and state income tax credit carryforwards, excluding alternative minimum tax credit carryforwards, of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8056840e2934-wk-Fact-153B5E4EDB4B828108C6F94C9CAFB54D" name="us-gaap:TaxCreditCarryforwardAmount" contextRef="FI2017Q4_us-gaap_IncomeTaxAuthorityAxis_mdu_FederalandStateTaxingAuthorityMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">52.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8056840e2939-wk-Fact-799E0F16D505733E8640F94C9CAF406A" name="us-gaap:TaxCreditCarryforwardAmount" contextRef="FI2016Q4_us-gaap_IncomeTaxAuthorityAxis_mdu_FederalandStateTaxingAuthorityMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">43.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. Included in the state credits are various regulatory investment tax credits of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8056840e2943-wk-Fact-B134EDD37F22AC4FEFC2F94C9CAFD6FC" name="mdu:InvestmentTaxCreditCarryforwardAmount" contextRef="FI2017Q4_us-gaap_IncomeTaxAuthorityAxis_us-gaap_StateAndLocalJurisdictionMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">28.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8056840e2947-wk-Fact-BD0FEA3120A8AC8F6A5BF94C9CAF6AFC" name="mdu:InvestmentTaxCreditCarryforwardAmount" contextRef="FI2016Q4_us-gaap_IncomeTaxAuthorityAxis_us-gaap_StateAndLocalJurisdictionMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">20.7</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. The federal income tax credit carryforwards expire in 2036 and 2037 if not utilized and state income tax credit carryforwards are due to expire between 2018 and 2045. It is likely that a portion of the benefit from the state carryforwards will not be realized; therefore, valuation allowances have been provided. Changes in tax regulations or assumptions regarding current and future taxable income could require additional valuation allowances in the future. The alternative minimum tax credit carryforwards are refundable. For information regarding net operating loss carryforwards and valuation allowances related to discontinued operations, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="mdu:ScheduleOfChangeInNetDeferredIncomeTaxLiabilityReconciliationTableTextBlock" id="TextSelection-5AB9A53165BCA1077BE7F94C9CED1FE3-0-wk-Fact-268D07F2A755F3E79150F94C9CAF91EA" continuedAt="TextSelection-5AB9A53165BCA1077BE7F94C9CED1FE3-1" escape="true">The following table reconciles the change in the net deferred income tax liability from </ix:nonNumeric></span><ix:continuation id="TextSelection-5AB9A53165BCA1077BE7F94C9CED1FE3-1" continuedAt="TextSelection-5AB9A53165BCA1077BE7F94C9CED1FE3-2"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, to deferred income tax benefit:</span></ix:continuation></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><ix:continuation id="TextSelection-5AB9A53165BCA1077BE7F94C9CED1FE3-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="4"></td></tr><tr><td style="width:83%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Change in net deferred income tax liability from the preceding table</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e3048-wk-Fact-30475AFEAEDFAF5E4264F94C9CAF28BB" name="mdu:IncomeTaxReconciliationChangeInNetDeferredIncomeTaxLiability" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">320,955</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred taxes associated with other comprehensive loss</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e3064-wk-Fact-B0E0227302D9E61677DEF94C9CAFD551" name="mdu:DeferredTaxReconciliationOtherComprehensiveIncome" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,182</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred taxes associated with TCJA enactment for regulated activities</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e3084-wk-Fact-8CE44D3F4043EF4963CF789DDE7E0BE0" name="mdu:DeferredTaxLiabilitiesReclasstoRegulatoryAssets" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">285,520</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e3104-wk-Fact-812AFE7260BAF2A15B21F94C9CAFD086" name="mdu:DeferredTaxReconciliationOther" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">8,830</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred income tax benefit for the period</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e3129-wk-Fact-0BCB6C2538CC06403085F94C9CBFE601" name="us-gaap:DeferredIncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">25,423</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">81</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-FD345D7678DA9FEEA42AF94C9CED5CBC-3" continuedAt="TextSelection-FD345D7678DA9FEEA42AF94C9CED5CBC-4"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock" id="TextSelection-6F8DE5FA7201B792E3E7F94C9CEDA326-0-wk-Fact-0130D362F5CD72B255B2F94C9CAF0D0E" continuedAt="TextSelection-6F8DE5FA7201B792E3E7F94C9CEDA326-1" escape="true">Total income tax expense differs from the amount computed by applying the statutory federal income tax rate to income before taxes. The reasons for this difference were as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-6F8DE5FA7201B792E3E7F94C9CEDA326-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="16"></td></tr><tr><td style="width:52%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:5%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:5%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:5%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December&#160;31,</span></div></td><td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Amount</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Amount</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Amount</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="15" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Dollars in thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Computed tax at federal statutory rate</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e3427-wk-Fact-FA4D7498875C81D19BA9F94C9C90D321" name="us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">122,509</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e3436-wk-Fact-C285BCD244360011D0D8F94C9C90334A" name="us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" contextRef="FD2017Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">35.0</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e3450-wk-Fact-5FAD6A9C579E43210C80F94C9CDEEFA8" name="us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">114,179</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e3459-wk-Fact-E482B100A81CAB1E300BF94C9CDEBA5A" name="us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" contextRef="FD2016Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">35.0</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e3474-wk-Fact-91B1729D4FAFD9B53147F94C9C907ABD" name="us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">86,468</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e3483-wk-Fact-5CB4B3C116380CFEC19FF94C9CAFE8FF" name="us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" contextRef="FD2015Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">35.0</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Increases (reductions) resulting from:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">State income taxes, net of federal income tax</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e3578-wk-Fact-22EF41E31046D1D7FC56F94C9CDE1A25" name="us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,724</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e3592-wk-Fact-6211ED0B0CB166029C2DF94C9CDEA347" name="us-gaap:EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" contextRef="FD2017Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">3.1</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e3601-wk-Fact-2097229558A0605384DCF94C9CDE0865" name="us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,027</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e3615-wk-Fact-1200E95C2377BBC111D7F94C9C90BACB" name="us-gaap:EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" contextRef="FD2016Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">2.8</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e3625-wk-Fact-4F16621129E0A9D0E9BEF94C9C908EB4" name="us-gaap:IncomeTaxReconciliationStateAndLocalIncomeTaxes" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">8,208</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e3639-wk-Fact-FD44C135321BC378A0DFF94C9C80DBE2" name="us-gaap:EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" contextRef="FD2015Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">3.3</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Federal renewable energy credit</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e3654-wk-Fact-68FF67A7CBAFCEB45144F94C9CCE3665" name="us-gaap:IncomeTaxReconciliationTaxCreditsOther" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,958</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e3669-wk-Fact-53E7592E6013030F3E3AF94C9CDE3EB5" name="us-gaap:EffectiveIncomeTaxRateReconciliationTaxCreditsOther" contextRef="FD2017Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">4.0</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e3679-wk-Fact-7262B5611BFD9171C43AF94C9C90399B" name="us-gaap:IncomeTaxReconciliationTaxCreditsOther" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,544</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e3694-wk-Fact-9BD9E275A79CC2226EB7F94C9CCE65BE" name="us-gaap:EffectiveIncomeTaxRateReconciliationTaxCreditsOther" contextRef="FD2016Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">4.2</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e3705-wk-Fact-142B0866CE8CC0F089B0F94C9C907D38" name="us-gaap:IncomeTaxReconciliationTaxCreditsOther" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,400</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e3720-wk-Fact-2898243F6E0BED7710D3F94C9C90C1DB" name="us-gaap:EffectiveIncomeTaxRateReconciliationTaxCreditsOther" contextRef="FD2015Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">1.4</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Tax compliance and uncertain tax positions</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e3736-wk-Fact-36B806B6CB070AF31CC4F94C9C80708E" name="us-gaap:IncomeTaxReconciliationTaxSettlements" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">643</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e3751-wk-Fact-8D582C48E3852ECEEFB4F94C9C909525" name="us-gaap:EffectiveIncomeTaxRateReconciliationTaxSettlements" contextRef="FD2017Q4YTD" unitRef="number" decimals="3" scale="-2" sign="-">.2</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e3761-wk-Fact-95CDD284917264EA4191F94C9C90D854" name="us-gaap:IncomeTaxReconciliationTaxSettlements" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,028</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e3776-wk-Fact-5EC6B16CB096BD4C73CCF94C9C801A66" name="us-gaap:EffectiveIncomeTaxRateReconciliationTaxSettlements" contextRef="FD2016Q4YTD" unitRef="number" decimals="3" scale="-2" sign="-">.9</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e3787-wk-Fact-9BDB75F5E5EE3A50504FF94C9CDE328E" name="us-gaap:IncomeTaxReconciliationTaxSettlements" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,607</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e3802-wk-Fact-FD780B72C83090CB559AF94C9CDE22F3" name="us-gaap:EffectiveIncomeTaxRateReconciliationTaxSettlements" contextRef="FD2015Q4YTD" unitRef="number" decimals="3" scale="-2" sign="-" format="ixt:numdotdecimal">1.0</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Domestic production deduction</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e3818-wk-Fact-929786F48CD0448D5920F94C9C9001FF" name="us-gaap:IncomeTaxReconciliationDeductionsQualifiedProductionActivities" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,849</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e3833-wk-Fact-356A56717FBE05D44441F94C9C90F3FF" name="us-gaap:EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities" contextRef="FD2017Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">2.0</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e3843-wk-Fact-1BFFED3C8A329D6EF814F94C9CDE03CD" name="us-gaap:IncomeTaxReconciliationDeductionsQualifiedProductionActivities" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,251</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e3858-wk-Fact-191468D4E9D925F722F6F94C9C901024" name="us-gaap:EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities" contextRef="FD2016Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">1.9</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e3869-wk-Fact-DEB0DF0694207339BAACF94C9C90F7C8" name="us-gaap:IncomeTaxReconciliationDeductionsQualifiedProductionActivities" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,842</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e3884-wk-Fact-1568B4C25C7DCDE37CCEF94C9C808AEA" name="us-gaap:EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities" contextRef="FD2015Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">2.8</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">TCJA revaluation</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e3900-wk-Fact-ED87DF2B7AC23CB02A067B99B32A1815" name="mdu:IncomeTaxExpenseBenefitContinuingOperationsReclassofDeferredTaxAssetLiability" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">47,242</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e3915-wk-Fact-FDBDE1224393230E58097BF58BA22A31" name="mdu:EffectiveIncomeTaxRateIncometaxexpensebenefitcontinuingoperationsreclassofdeferredtaxassetliability." contextRef="FD2017Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">13.5</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e3925-wk-Fact-9E5DCACB0441FF1E7E8E7C14D37990B2" name="mdu:IncomeTaxExpenseBenefitContinuingOperationsReclassofDeferredTaxAssetLiability" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e3939-wk-Fact-71229C0D6CF2AA1086B27C23D68B481E" name="mdu:EffectiveIncomeTaxRateIncometaxexpensebenefitcontinuingoperationsreclassofdeferredtaxassetliability." contextRef="FD2016Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e3949-wk-Fact-CA29E237286DD5590A807C14E768FD3D" name="mdu:IncomeTaxExpenseBenefitContinuingOperationsReclassofDeferredTaxAssetLiability" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e3963-wk-Fact-CF3C713CA9425767EEAC7C23E841422B" name="mdu:EffectiveIncomeTaxRateIncometaxexpensebenefitcontinuingoperationsreclassofdeferredtaxassetliability." contextRef="FD2015Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">TCJA revaluation related to accumulated other comprehensive loss balance</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e3978-wk-Fact-D9D5788166F156C97E817B2AEFD77CA5" name="us-gaap:IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,735</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e3992-wk-Fact-DD9F151144F7B5489AFA7C0207154D5C" name="mdu:EffectiveTaxRateIncomeTaxExpenseBenefitContinuingOperationsAdjustmentofDeferredTaxAssetLiability" contextRef="FD2017Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">2.2</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e4001-wk-Fact-7E8674D2494AB133F2BC7C24E156A5E8" name="us-gaap:IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e4015-wk-Fact-68F493FEFDE71321FD967C298CCD7CAF" name="mdu:EffectiveTaxRateIncomeTaxExpenseBenefitContinuingOperationsAdjustmentofDeferredTaxAssetLiability" contextRef="FD2016Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e4025-wk-Fact-BB02B10754B9E120260F7C24F24B4319" name="us-gaap:IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e4039-wk-Fact-71E3BC6222594B44F3DB7C299A85ABE1" name="mdu:EffectiveTaxRateIncomeTaxExpenseBenefitContinuingOperationsAdjustmentofDeferredTaxAssetLiability" contextRef="FD2015Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e4055-wk-Fact-7F520114C631F465AEE0F94C9CCE6625" name="us-gaap:IncomeTaxReconciliationOtherAdjustments" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">7,235</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8056840e4070-wk-Fact-A041581C8DFFAB725D9AF94C9C80E876" name="us-gaap:EffectiveIncomeTaxRateReconciliationOtherAdjustments" contextRef="FD2017Q4YTD" unitRef="number" decimals="3" scale="-2" sign="-" format="ixt:numdotdecimal">2.0</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e4080-wk-Fact-D6AB8358D44C69431CE9F94C9C90D083" name="us-gaap:IncomeTaxReconciliationOtherAdjustments" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">7,251</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e4095-wk-Fact-EFE318889E0FDCEB4D3EF94C9CDE0736" name="us-gaap:EffectiveIncomeTaxRateReconciliationOtherAdjustments" contextRef="FD2016Q4YTD" unitRef="number" decimals="3" scale="-2" sign="-" format="ixt:numdotdecimal">2.3</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e4106-wk-Fact-AEDC25F1075995C5A12AF94C9C80564F" name="us-gaap:IncomeTaxReconciliationOtherAdjustments" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">11,163</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8056840e4121-wk-Fact-E53FBC83FBAE9E576E61F94C9C907EFC" name="us-gaap:EffectiveIncomeTaxRateReconciliationOtherAdjustments" contextRef="FD2015Q4YTD" unitRef="number" decimals="3" scale="-2" sign="-" format="ixt:numdotdecimal">4.5</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total income tax expense</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e4142-wk-Fact-101C7EA8EC5B7B350C9FF94C9CDE7DEF" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">65,041</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8056840e4151-wk-Fact-F3168DD77971E0FB66D2F94C9CBFB582" name="us-gaap:EffectiveIncomeTaxRateContinuingOperations" contextRef="FD2017Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">18.6</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e4165-wk-Fact-CD41FD82CDCF96E45BBBF94C9C9087F3" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">93,132</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e4174-wk-Fact-F127E4380DFD26CCEBCFF94C9CCE31EF" name="us-gaap:EffectiveIncomeTaxRateContinuingOperations" contextRef="FD2016Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">28.5</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e4189-wk-Fact-EDCD2931E5918C35A744F94C9CBF04F5" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">70,664</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8056840e4198-wk-Fact-CF112E56E9D2EC160A78F94C9C9FDC79" name="us-gaap:EffectiveIncomeTaxRateContinuingOperations" contextRef="FD2015Q4YTD" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">28.6</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Included in the TCJA is the deemed repatriation transition tax which is a one-time transition tax on previously untaxed accumulated earnings and profits of certain foreign operations that is payable over 8&#160;years. At December 31, 2017, the Company's liability for the deemed repatriation transition tax was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8056840e4216-wk-Fact-F8BB32361B199246C47D78893BA06561" name="us-gaap:DeferredTaxLiabilitiesUndistributedForeignEarnings" contextRef="FI2017Q4" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">447,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Historically, deferred income taxes were accrued with respect to the Company's foreign operations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company and its subsidiaries file income tax returns in the U.S. federal jurisdiction, and various state, local and foreign jurisdictions. The Company is no longer subject to U.S. federal or non-U.S. income tax examinations by tax authorities for years ending prior to 2014. With few exceptions, as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company is no longer subject to state and local income tax examinations by tax authorities for years ending prior to 2013.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company had no unrecognized tax benefits (excluding interest) for the years ended December&#160;31, 2017, 2016 and 2015.</span></div></ix:continuation><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><ix:continuation id="TextSelection-FD345D7678DA9FEEA42AF94C9CED5CBC-4" continuedAt="TextSelection-FD345D7678DA9FEEA42AF94C9CED5CBC-5"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Included in income tax expense is interest on uncertain tax positions. For the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company recognized approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$(<ix:nonFraction id="d8056840e4260-wk-Fact-CE2B6B439FBBA1964DDEF94C9CAF6187" name="mdu:InterestExpenseRecognizedInIncomeTaxExpense" contextRef="FD2017Q4YTD" unitRef="usd" decimals="0" scale="0" sign="-" format="ixt:numdotdecimal">99,000</ix:nonFraction>)</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$(<ix:nonFraction id="d8056840e4264-wk-Fact-0CB3C7B3FDB6E1B7CAE5F94C9CAFE5DC" name="mdu:InterestExpenseRecognizedInIncomeTaxExpense" contextRef="FD2016Q4YTD" unitRef="usd" decimals="0" scale="0" sign="-" format="ixt:numdotdecimal">92,000</ix:nonFraction>)</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8056840e4269-wk-Fact-ACE3EA8D471D96889BF4F94C9CAFEB1D" name="mdu:InterestExpenseRecognizedInIncomeTaxExpense" contextRef="FD2015Q4YTD" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">122,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, of interest (income) expense in income tax expense. At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company had accrued receivables of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8056840e4281-wk-Fact-2A8C0E819C409F426785F94C9CAF1925" name="us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued" contextRef="FI2017Q4" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">46,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8056840e4285-wk-Fact-7E61BAE638D491411B26F94C9CAF2101" name="us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued" contextRef="FI2016Q4" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">54,000</ix:nonFraction></span></span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-FD345D7678DA9FEEA42AF94C9CED5CBC-5">, respectively, for interest.</ix:continuation></span></div><div><a id="s02D91A016C2A5F53A247C5916EA41A4A"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">12</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> - <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:CashFlowSupplementalDisclosuresTextBlock" id="TextSelection-8091434F7AEFF164964EF94C9CED02E4-0-wk-Fact-C7BDF5D86DE08828640EF94C9CDE7993" continuedAt="TextSelection-8091434F7AEFF164964EF94C9CED02E4-1" escape="true">Cash Flow Information</ix:nonNumeric></span></div><ix:continuation id="TextSelection-8091434F7AEFF164964EF94C9CED02E4-1" continuedAt="TextSelection-8091434F7AEFF164964EF94C9CED02E4-2"><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock" id="TextSelection-D30A846B083C2EE79C84F94C9CEDF4E9-0-wk-Fact-F9154515776523699313F94C9CDE5270" continuedAt="TextSelection-D30A846B083C2EE79C84F94C9CEDF4E9-1" escape="true">Cash expenditures for interest and income taxes for the years ended December&#160;31 were as follows:</ix:nonNumeric></span></div><ix:continuation id="TextSelection-D30A846B083C2EE79C84F94C9CEDF4E9-1" continuedAt="TextSelection-D30A846B083C2EE79C84F94C9CEDF4E9-2"><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:88.97485493230174%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:55%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest, net*</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039096e1289-wk-Fact-8FCCF8BB65996B527DDCF94C9CDE7256" name="us-gaap:InterestPaidNet" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">79,638</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039096e1303-wk-Fact-9892C9B2D650A8C30476F94C9CDE930B" name="us-gaap:InterestPaidNet" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">87,920</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039096e1317-wk-Fact-7864020082A8A181D265F94C9CDECC40" name="us-gaap:InterestPaidNet" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">88,775</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes paid, net**</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039096e1337-wk-Fact-37AB0369334F598FA868F94C9CBFF915" name="us-gaap:IncomeTaxesPaidNet" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">112,137</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039096e1351-wk-Fact-6A8C3E8C9372B479FE24F94C9CDEB306" name="us-gaap:IncomeTaxesPaidNet" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">105,908</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039096e1365-wk-Fact-53791810ACAFA74CFBE1F94C9CAFB75A" name="us-gaap:IncomeTaxesPaidNet" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">61,405</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:6px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-4EC8F385B9299ACFF1B895E7CFFAE0D4-0-wk-Footnote-4EC8F385B9299ACFF1B895E7CFFAE0D4_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" continuedAt="TextSelection-4EC8F385B9299ACFF1B895E7CFFAE0D4-1">Capitalized interest and AFUDC - borrowed was </ix:footnote></span><ix:continuation id="TextSelection-4EC8F385B9299ACFF1B895E7CFFAE0D4-1" continuedAt="TextSelection-4EC8F385B9299ACFF1B895E7CFFAE0D4-2"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039096e1379-wk-Fact-B9C4811755FFDA6876D49571BE3826B7" name="us-gaap:InterestCostsIncurredCapitalized" contextRef="FD2017Q4YTD" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">966,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039096e1383-wk-Fact-57B0CDC800FDE1D244CB957208239790" name="us-gaap:InterestCostsIncurredCapitalized" contextRef="FD2016Q4YTD" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">914,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039096e1387-wk-Fact-754D684C5074D702D53C9572517994A0" name="us-gaap:InterestCostsIncurredCapitalized" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">9.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> for the years ended December&#160;31, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2015</span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:continuation id="TextSelection-4EC8F385B9299ACFF1B895E7CFFAE0D4-2">, respectively.</ix:continuation></span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">**</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-84F7F8BF810FA1FDC44895E8C1797F3A-0-wk-Footnote-84F7F8BF810FA1FDC44895E8C1797F3A_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" continuedAt="TextSelection-84F7F8BF810FA1FDC44895E8C1797F3A-1">Income taxes paid, net of discontinued operations, were </ix:footnote></span><ix:continuation id="TextSelection-84F7F8BF810FA1FDC44895E8C1797F3A-1" continuedAt="TextSelection-84F7F8BF810FA1FDC44895E8C1797F3A-2"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039096e1413-wk-Fact-CCF725BE52BB9D61C919F94C9CDEC2A3" name="us-gaap:IncomeTaxesPaidNet" contextRef="FD2017Q4YTD_us-gaap_StatementOperatingActivitiesSegmentAxis_mdu_ContinuinganddiscontinuedoperationsMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">9.7</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8039096e1417-wk-Fact-63BCA8536845862B11ACF94C9CDE161C" name="us-gaap:IncomeTaxesPaidNet" contextRef="FD2016Q4YTD_us-gaap_StatementOperatingActivitiesSegmentAxis_mdu_ContinuinganddiscontinuedoperationsMember" 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style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Noncash investing transactions at December&#160;31 were as follows:</span></div></ix:continuation></ix:continuation><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><ix:continuation id="TextSelection-8091434F7AEFF164964EF94C9CED02E4-2"><ix:continuation id="TextSelection-D30A846B083C2EE79C84F94C9CEDF4E9-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:612px;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:345px;"></td><td style="width:8px;"></td><td style="width:78px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Property, plant and equipment additions in accounts payable</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8039096e1603-wk-Fact-FF6487013F93CB5AA6B6F94C9CBF4F37" name="us-gaap:CapitalExpendituresIncurredButNotYetPaid" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">29,263</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8039096e1617-wk-Fact-4C42DE028ED7BDA6E2F7F94C9CBF4DD8" name="us-gaap:CapitalExpendituresIncurredButNotYetPaid" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">22,712</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade 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id="TextSelection-2A6BC357602C2B93A8FA4DA7A1E652A8-0-wk-Fact-6757096BB95DFDD465454DAC575AB1EF" escape="true">The Company's reportable segments are those that are based on the Company's method of internal reporting, which generally segregates the strategic business units due to differences in products, services and regulation. The internal reporting of these operating segments is defined based on the reporting and review process used by the Company's chief executive officer.</ix:nonNumeric> The vast majority of the Company's operations are located within the United States.</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">82</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-FAFFB0E0B8DC57559EDCF94C9CED9288-2" continuedAt="TextSelection-FAFFB0E0B8DC57559EDCF94C9CED9288-3"><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The electric segment generates, transmits and distributes electricity in Montana, North Dakota, South Dakota and Wyoming. The natural gas distribution segment distributes natural gas in those states as well as in Idaho, Minnesota, Oregon and Washington. These operations also supply related value-added services.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The pipeline and midstream segment provides natural gas transportation, underground storage and gathering services through regulated and nonregulated pipeline systems primarily in the Rocky Mountain and northern Great Plains regions of the United States. This segment also provides cathodic protection and other energy-related services. For information on the Company's natural gas and oil gathering and processing facility sold on January 1, 2017, see Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The construction materials and contracting segment </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">operations mine, process and sell construction aggregates (crushed stone, sand and gravel); produce and sell asphalt mix; and supply ready-mixed concrete.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> This segment </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">focuses on vertical integration of construction services to support the aggregate based product lines including aggregate placement, asphalt and concrete paving, and site development and grading. Although not common to all locations, other products include the sale of cement, liquid asphalt for various commercial and roadway applications, various finished concrete products and other building materials and related contracting services.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">This segment operates in the central, southern and western United States and Alaska and Hawaii.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The construction services segment </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">provides inside and outside specialty contracting services. Its outside services include design, construction and maintenance of overhead and underground electrical distribution and transmission lines, substations, external lighting, traffic signalization, and gas pipelines, as well as utility excavation and the manufacture and distribution of transmission line construction equipment. Its inside services include design, construction and maintenance of electrical and communication wiring and infrastructure, fire suppression systems, and mechanical piping and services. This business also designs, constructs and maintains renewable energy projects. These specialty contracting services are provided to utilities and large manufacturing, commercial, industrial, institutional and government customers. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Other category includes the activities of Centennial Capital, which insures various types of risks as a captive insurer for certain of the Company's subsidiaries. The function of the captive insurer is to fund the deductible self-insured layers of the insured companies' general liability, automobile liability, pollution liability and other coverages. Centennial Capital also owns certain real and personal property. The Other category also includes certain general and administrative costs (reflected in operation and maintenance expense) and interest expense which were previously allocated to the refining business and Fidelity and do not meet the criteria for income (loss) from discontinued operations. The Other category also includes Centennial Resources' former investment in Brazil.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Discontinued operations includes the results and supporting activities of Dakota Prairie Refining and Fidelity other than certain general and administrative costs and interest expense</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> as described above. Dakota Prairie Refining refined crude oil and produced and sold diesel fuel, naphtha, ATBs and other by-products of the production process. </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In the second quarter of 2016, the Company sold all of the outstanding membership interests in Dakota Prairie Refining.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Fidelity engaged in oil and natural gas development and production activities in the Rocky Mountain and Mid-Continent/Gulf States regions of the United States. </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Between September 2015 and March 2016, the Company entered into purchase and sale agreements to sell substantially all of Fidelity's oil and natural gas assets. The completion of these sales occurred between October 2015 and April 2016.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> For more information on discontinued operations, see Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">83</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-FAFFB0E0B8DC57559EDCF94C9CED9288-3" continuedAt="TextSelection-FAFFB0E0B8DC57559EDCF94C9CED9288-4"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The information below follows the same accounting policies as described in Note 1. <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock" id="TextSelection-538B8E7C87A28836E24FF94C9CFD3192-0-wk-Fact-261338EB5412EAD07FDDF94C9CAFB91A" continuedAt="TextSelection-538B8E7C87A28836E24FF94C9CFD3192-1" escape="true">Information on the Company's segments as of December&#160;31 and for the years then ended was as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-538B8E7C87A28836E24FF94C9CFD3192-1" continuedAt="TextSelection-538B8E7C87A28836E24FF94C9CFD3192-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:61%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div 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style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">External operating revenues:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e1453-wk-Fact-A51239B9E529735D1A97F94C9CCEC347" name="us-gaap:Revenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">342,805</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1467-wk-Fact-A07DF929B887533528B3F94C9CDEF3D1" name="us-gaap:Revenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">322,356</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1481-wk-Fact-BC4C805D6A4BEE870D00F94C9CAFAF64" name="us-gaap:Revenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">280,615</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e1496-wk-Fact-15AE89255628CB081EE9F94C9CCE460D" name="us-gaap:Revenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">848,388</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1510-wk-Fact-6F9A62CE55BD1AE9E9ACF94C9CBF9D08" name="us-gaap:Revenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">766,115</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1524-wk-Fact-FF61D5D166F676BBE3DDF94C9CDE37A0" name="us-gaap:Revenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">817,419</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e1544-wk-Fact-DF498D135F7E8FB5FEA1F94C9CAFA703" name="us-gaap:Revenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">53,566</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1558-wk-Fact-8E99983C5862C78909D0F94C9CAF1613" name="us-gaap:Revenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">52,983</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1572-wk-Fact-E0F44C2B4B9B6013F718F94C9CDEA978" name="us-gaap:Revenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">51,004</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e1592-wk-Fact-28592D2D116FDB8E440AF94C9CDE2B0C" name="us-gaap:Revenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,244,759</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1606-wk-Fact-F366FDD2C54CA01DB36CF94C9CDE550C" name="us-gaap:Revenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,141,454</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1620-wk-Fact-9002E82A01D4272F65D2F94C9CAF1B19" name="us-gaap:Revenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,149,038</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonregulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e1691-wk-Fact-6845827E9CEC9E01F575F94C9CDE8E96" name="us-gaap:Revenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">19,602</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1705-wk-Fact-8D2F00F0A68860BC9D9CF94C9C9F0035" name="us-gaap:Revenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">39,602</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1719-wk-Fact-DC82D01B7816F31841F8F94C9CBF7440" name="us-gaap:Revenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">54,281</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e1739-wk-Fact-BD5DCBDFB11AD83A9D4DF94C9CAFCC14" name="us-gaap:Revenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,811,964</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1753-wk-Fact-C82770F5FD1A61611BEFF94C9CDE66A7" name="us-gaap:Revenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,873,696</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1767-wk-Fact-C0EFD1378D3C7417BE92F94C9CDE1A4C" name="us-gaap:Revenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,901,530</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e1788-wk-Fact-93B910266BF063573BD3F94C9CDE3C8C" name="us-gaap:Revenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,366,317</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1802-wk-Fact-23B6AE19CF0CE3BEA36CF94C9CDE5BAC" name="us-gaap:Revenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,072,663</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1816-wk-Fact-9CF1712E5D0CCBF6E438F94C9CAFB511" name="us-gaap:Revenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">907,767</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e1836-wk-Fact-56A3919CBF75310038AEF94C9C9FFAE7" name="us-gaap:Revenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">709</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1850-wk-Fact-146E806EE06100ED3509F94C9CBFE6FA" name="us-gaap:Revenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,413</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1864-wk-Fact-54D7DC619680F69940B3F94C9CDE8C6B" name="us-gaap:Revenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,436</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e1884-wk-Fact-FB67E78BD43C7237D92DF94C9CAF6C71" name="us-gaap:Revenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,198,592</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1898-wk-Fact-F0D8A6D7ECB5BC3C3C61F94C9CCE327B" name="us-gaap:Revenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,987,374</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1912-wk-Fact-BEE09D13677BAC736B66F94C9CAF2FF3" name="us-gaap:Revenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,865,014</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total external operating revenues</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e1937-wk-Fact-8A6B43B50BC5AD3EA6B2F94C9CBFA919" name="us-gaap:Revenues" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,443,351</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1951-wk-Fact-7CEDE460E2DAE248A922F94C9C80274C" name="us-gaap:Revenues" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,128,828</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e1965-wk-Fact-7B444B84CF34FDE17389F94C9C808200" name="us-gaap:Revenues" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,014,052</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment operating revenues:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e2135-wk-Fact-DA57F9CDBD72FC00278FF94C9C9FD6C2" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2149-wk-Fact-4B18B09602779670F2DFF94C9CDE1C54" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2163-wk-Fact-8117EEDAF34797ACE2A7F94C9CDE4C91" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e2178-wk-Fact-645280497ACCA6A548D9F94C9CDE9FC7" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2192-wk-Fact-68AA01668B181DE298C2F94C9CDE8323" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2206-wk-Fact-445C7659DF335CABF7A4F94C9CDEF48C" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e2226-wk-Fact-E83E7438EC3FCA6A9317F94C9CDE9368" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">48,867</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2240-wk-Fact-ED8B737B0A492B0EE765F94C9CDE27E6" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">48,794</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2254-wk-Fact-41AEDDF4F094EAE209E6F94C9CBF6BC9" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">49,065</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e2274-wk-Fact-9E6A811F914AEC06FD6EF94C9CDE2173" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">48,867</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2288-wk-Fact-F5A4AC1F052E0F0C7BADF94C9CDE2DAB" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">48,794</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2302-wk-Fact-A7173CADC502F8F3E254F94C9C9F5B68" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">49,065</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonregulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e2374-wk-Fact-D91D351F5B4BF9846CBCF94C9CCED1DC" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">178</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2388-wk-Fact-FC82402703FD3A138F43F94C9CDE70F9" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">223</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2402-wk-Fact-F1FC96D4BD25154F1C86F94C9CDEC613" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">554</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e2422-wk-Fact-DBB45212EBCEC8B68F88F94C9C9F2762" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">565</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2436-wk-Fact-CC477F4BAEC6ABF131EFF94C9CDE807C" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">574</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2450-wk-Fact-8B1D4A51A25999301A3EF94C9CCE433C" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,752</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e2470-wk-Fact-9BC4C3E390A7C2CF572AF94C9C9FE880" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,285</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2484-wk-Fact-81F0C858B25ECE6DAD42F94C9CDEB31B" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">609</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2498-wk-Fact-71BEC08AEF1F96E22F3DF94C9CCEE553" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">18,660</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e2518-wk-Fact-08B7AA74593E6A866FA9F94C9CAF1BAA" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,165</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2532-wk-Fact-A682B0408123ED0E878FF94C9CCEC630" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,230</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2546-wk-Fact-EF90E21AA127BDD5D076F94C9CCE6713" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,755</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e2566-wk-Fact-D0CC170986E73E60214BF94C9CDE1912" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,193</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2580-wk-Fact-65F900FCE3E8F2748E43F94C9CDEEDDB" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">8,636</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2594-wk-Fact-2F50B0650BF517F11D80F94C9C9FBCAB" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">29,721</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8059138e2614-wk-Fact-CB83226A26FE53B5E81EF94C9CAFCE7A" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_IntersegmentEliminationMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">58,060</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e2629-wk-Fact-252E98BE191C53C5D7CFF94C9C9FF025" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_IntersegmentEliminationMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">57,430</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e2644-wk-Fact-B5D97FD3AC39411F1D54F94C9C9FBEC1" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_IntersegmentEliminationMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">78,786</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total intersegment operating revenues</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e2670-wk-Fact-7119D5B40147C0AC26D5F94C9C9FE466" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2684-wk-Fact-03A974829DE3E9D4474FF94C9CDE032F" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2698-wk-Fact-4B13486D79D991828F8BF94C9CCE8A83" name="mdu:Intersegmentoperatingrevenues" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Depreciation, depletion and amortization:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e2817-wk-Fact-2BD945F8D8CE54AC0960F94C9CDE58CD" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">47,715</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2831-wk-Fact-6D73A9B8CB26A48CE1E7F94C9CDE95C7" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">50,220</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2845-wk-Fact-129A5F31911B9A13DBCAF94C9CDEFAF7" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">37,583</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e2861-wk-Fact-4CCAFD1096EE1570DE95F94C9CDE0C4D" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">69,381</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2875-wk-Fact-53501BD5BEE646F4F3F1F94C9CAFC0A4" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">65,426</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2889-wk-Fact-591BD01056915D473BA3F94C9CDED15C" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">64,756</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e2909-wk-Fact-C805FF823FA077D8175AF94C9CDECE55" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">16,788</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2923-wk-Fact-B3B01C392A68035FFD48F94C9CAFF795" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">24,885</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2937-wk-Fact-43331E2A0BE87B1DA61EF94C9CDEAA12" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">27,981</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e2957-wk-Fact-94EC3A3D38CA69E9ECF5F94C9CAF5F9C" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">55,862</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2971-wk-Fact-5592E66F76436E873FB4F94C9CAF4DC0" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">58,413</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e2985-wk-Fact-78DBB9EEBDE732D22772F94C9CAF2C32" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">65,937</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e3005-wk-Fact-A26C4243752ECA980310F94C9CCE95A7" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,739</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3019-wk-Fact-46B9000F028E123C211AF94C9CCE723A" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,307</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3033-wk-Fact-114422E4D91AF88EC8D6F94C9CDE39BE" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,420</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e3053-wk-Fact-12A620D1B58FDE80515EF94C9C9F06D5" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,001</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3067-wk-Fact-E2C12EC74D080743D288F94C9CBFE129" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,067</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3081-wk-Fact-CAD45BC15943925565E9F94C9CCE30E4" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,070</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total depreciation, depletion and amortization</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e3106-wk-Fact-6B56F4B51E4367DE3320F94C9C9F84F4" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">207,486</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3120-wk-Fact-B58665F3FEA9E791563AF94C9CDE3AD1" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">216,318</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3134-wk-Fact-07B9D8D35EE8D6561FB8F94C9C809803" name="us-gaap:DepreciationDepletionAndAmortization" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">211,747</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest expense:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e3253-wk-Fact-804693C40723C341151FF94C9CAFE7E4" name="us-gaap:InterestExpense" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">25,377</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3267-wk-Fact-E7EE48C8049B9D4B6378F94C9CDEFB9D" name="us-gaap:InterestExpense" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">24,982</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3281-wk-Fact-3DC3BDD4FC8393469AC4F94C9CDE8779" name="us-gaap:InterestExpense" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">17,421</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e3296-wk-Fact-91FA97CC97A65F766FE1F94C9CDE7FFF" name="us-gaap:InterestExpense" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">31,234</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3310-wk-Fact-6D7BD76FB12B6D3044F6F94C9CAF55A7" name="us-gaap:InterestExpense" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">30,405</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3324-wk-Fact-D3ACA0D22B909E40CA1BF94C9CCEEE46" name="us-gaap:InterestExpense" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">29,471</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e3344-wk-Fact-D2D829A801F5499680F4F94C9C9F9477" name="us-gaap:InterestExpense" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,990</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3358-wk-Fact-750CA1C2B69B343B4DD0F94C9CDEF430" name="us-gaap:InterestExpense" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,903</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3372-wk-Fact-13EA8976F746897D0E6DF94C9CBFCCDD" name="us-gaap:InterestExpense" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,895</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e3393-wk-Fact-6023FB00F4DD6E053184F94C9CDE7275" name="us-gaap:InterestExpense" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">14,778</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3407-wk-Fact-381BE3CAEE896C23918DF94C9CCE6F75" name="us-gaap:InterestExpense" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,265</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3421-wk-Fact-9F078339C819E46CEF34F94C9CDE8104" name="us-gaap:InterestExpense" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,183</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e3441-wk-Fact-88A378EAD225861E6CC4F94C9CDEFA0A" name="us-gaap:InterestExpense" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,742</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3455-wk-Fact-E186CCFB6EBC9066741FF94C9CDEB090" name="us-gaap:InterestExpense" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,059</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3469-wk-Fact-91ADC2E761446B5E317FF94C9CBFA006" name="us-gaap:InterestExpense" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,959</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e3489-wk-Fact-0E9437260C1D59485C47F94C9CDEAF06" name="us-gaap:InterestExpense" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,564</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3503-wk-Fact-23F78512A25F05EDB602F94C9CDEEC3D" name="us-gaap:InterestExpense" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,854</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3517-wk-Fact-10B85D0C4E547F4C8F77F94C9C9F3EBE" name="us-gaap:InterestExpense" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,853</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8059138e3537-wk-Fact-B036F78DBB3E3434E1BFF94C9CAF4DBD" name="us-gaap:InterestExpense" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_IntersegmentEliminationMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">897</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e3552-wk-Fact-52101E479F296129D4B4F94C9CDEDFCC" name="us-gaap:InterestExpense" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_IntersegmentEliminationMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">620</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e3567-wk-Fact-26F610A7576D75342E6DF94C9CDECA09" name="us-gaap:InterestExpense" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_IntersegmentEliminationMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">603</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total interest expense</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e3593-wk-Fact-FB2106A1A5D1877D2F3DF94C9C90B9AB" name="us-gaap:InterestExpense" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">82,788</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3607-wk-Fact-6DBEC856EC7CF5F76292F94C9C9F6419" name="us-gaap:InterestExpense" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">87,848</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3621-wk-Fact-1308C1683DBA6BA2E30DF94C9C80CA38" name="us-gaap:InterestExpense" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">91,179</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></ix:continuation></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">84</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-538B8E7C87A28836E24FF94C9CFD3192-2" continuedAt="TextSelection-538B8E7C87A28836E24FF94C9CFD3192-3"><ix:continuation id="TextSelection-FAFFB0E0B8DC57559EDCF94C9CED9288-4" continuedAt="TextSelection-FAFFB0E0B8DC57559EDCF94C9CED9288-5"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:61%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e3861-wk-Fact-4F4B050CB91700B92959F94C9CDE37A4" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,699</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3875-wk-Fact-D2A8D0EFF05ACED04A94F94C9CDEF383" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,449</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3889-wk-Fact-A6D6362E426D7AC7BEEBF94C9C9F3AA9" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">11,523</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e3904-wk-Fact-2D16C1AF5838677D95C6F94C9CDEC30D" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">22,756</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3918-wk-Fact-BCF05C7C9D618896996FF94C9C9013B8" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,181</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3932-wk-Fact-B00052944459CE2004FDF94C9C9F4C41" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">11,377</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e3952-wk-Fact-698C1342C33DF2D6B414F94C9CCE30E1" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">12,281</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3966-wk-Fact-09AB54391223B933CE8FF94C9C9F4132" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">12,408</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e3980-wk-Fact-B6C5250D57D95DFEC509F94C9CBFFEA2" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,505</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e4000-wk-Fact-CC3FA301F1AA70246DDAF94C9CDEAA4D" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,405</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4014-wk-Fact-47B232C3B26F0693AA18F94C9CDEEB7F" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">60,625</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4028-wk-Fact-9626C114C3C911F785C9F94C9CAFD85B" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">41,619</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e4048-wk-Fact-6981821B6D795D6BF978F94C9CAFBBFC" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">25,558</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4062-wk-Fact-C53FB986696BA2E2C38EF94C9CBFDE62" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">17,748</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4076-wk-Fact-63DA4F867C933FF84719F94C9CBF3399" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">16,432</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8059138e4096-wk-Fact-64BC7E465E72939F2086F94C9CDE0D60" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,809</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e4111-wk-Fact-8363CE39ADB10AAA7E37F94C9CBFF572" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,028</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e4126-wk-Fact-38A3364D731A3070715DF94C9CCE990B" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">9,834</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8059138e4147-wk-Fact-81C649E5CA8106EE1B91F94C9CDE2155" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_IntersegmentEliminationMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">6,849</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e4162-wk-Fact-E2FADE3763F505811FCDF94C9CAF43BA" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_IntersegmentEliminationMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">6,251</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e4177-wk-Fact-A3BD81AED8B2DE2151E4F94C9C9F1CAF" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_IntersegmentEliminationMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">7,958</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total income taxes</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e4204-wk-Fact-101C7EA8EC5B7B350C9FF94C9CDE7DEF" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">65,041</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4218-wk-Fact-CD41FD82CDCF96E45BBBF94C9C9087F3" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">93,132</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4232-wk-Fact-EDCD2931E5918C35A744F94C9CBF04F5" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">70,664</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) on common stock:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e4402-wk-Fact-2FBE382663C92B5E9BD8F94C9C9F520F" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">49,366</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4416-wk-Fact-1AB0A3FB1A666151B4D3F94C9CAFB7DA" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">42,222</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4430-wk-Fact-38225A06EAC353DC0A8AF94C9CCE8056" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">35,914</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e4445-wk-Fact-0B07C5A535B903178D16F94C9CCEFB5E" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">32,225</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4459-wk-Fact-4118FAF7BCE8D357C5FFF94C9CDEFE70" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">27,102</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4473-wk-Fact-F5ABBA911F965A04D48DF94C9CDE8CD5" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">23,607</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e4493-wk-Fact-F271C6383C370C03DAB7F94C9CDEB1D5" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">20,620</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4507-wk-Fact-60457385FD8E6891C4B1F94C9C9F6306" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">22,060</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4521-wk-Fact-81EE4D7BEF906CCCA919F94C9CDE2264" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">20,680</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e4541-wk-Fact-E2D2C81D57A5DD4935D5F94C9CCE9357" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">102,211</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4555-wk-Fact-3F4E4B2776C583E4BBA3F94C9CDEF021" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">91,384</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4569-wk-Fact-37A651CED403DD08661CF94C9CDEAFFD" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_RegulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">80,201</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonregulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8059138e4640-wk-Fact-33573476300EF605705EF94C9C9F5E94" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">127</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4655-wk-Fact-B58034D243E210B67E63F94C9CDE9F88" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,375</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e4669-wk-Fact-5B608E9EA5771A578153F94C9C9F045E" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">7,430</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e4690-wk-Fact-14B4DE02BA1A77245A5FF94C9C9F00CF" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">123,398</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4704-wk-Fact-3D8A2C4392C294BF102CF94C9CDEF7C8" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">102,687</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4718-wk-Fact-A74F880F0D675576BD73F94C9C802477" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">89,096</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e4739-wk-Fact-E75313EAF7B64CB83FCAF94C9CDEA37F" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">53,306</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4753-wk-Fact-147A80ACAC88878944A1F94C9CAFDBE0" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">33,945</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4767-wk-Fact-FB7707E5A2A129F0DBE3F94C9C9FB013" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">23,762</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8059138e4787-wk-Fact-892A3C5887E041412E1EF94C9CBF8BA8" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,422</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e4802-wk-Fact-C001B703E7C1D675CFC6F94C9CAFA88B" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,231</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e4817-wk-Fact-848A17A0BF6E6357E5BBF94C9CDE95AB" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">14,941</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e4838-wk-Fact-48A58C229CD0903F0F34F94C9CBF831C" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2017Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">175,155</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4852-wk-Fact-5D096A995EC73E579E65F94C9CDE5F16" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2016Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">134,776</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4866-wk-Fact-F36B83475060C262833AF94C9CAF7B56" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2015Q4YTD_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">90,487</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations (a)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e4886-wk-Fact-48C42067504776BBA180F94C9C80A4E8" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_IntersegmentEliminationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,849</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4900-wk-Fact-03B3BA0F05D1FCFC6B68F94C9CCEEAB7" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_IntersegmentEliminationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,251</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4914-wk-Fact-83B342EAB6CC877BE30AF94C9C9FE5A2" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_IntersegmentEliminationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,016</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings on common stock before loss from discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e4934-wk-Fact-593147208946FBAC7C9EF94C9CCE7CE3" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">284,215</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4948-wk-Fact-5A83D9042D26FB0BEDF1F94C9CDEAD80" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">232,411</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e4962-wk-Fact-2D2913FC2D6E6A342385F94C9CBF5FC6" name="us-gaap:NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">175,704</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations, net of tax (a)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8059138e4982-wk-Fact-8F8A3F3CE8868E3F9037F94C9C803832" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,783</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e4997-wk-Fact-B6EB0E7D8A9583390FBBF94C9C9073F3" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">300,354</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e5012-wk-Fact-B51EA525655683EF361DF94C9CDE72B6" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTax" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">834,080</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to noncontrolling interest</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5033-wk-Fact-2D89A6E8FEDEE91C3A847AFC4B20E8B6" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e5047-wk-Fact-BEF56CBC53843D369620F94C9CBF3FA2" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">131,691</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e5062-wk-Fact-9B4038F02A2862E7B44BF94C9C90FA5C" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">35,256</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total earnings (loss) on common stock</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5088-wk-Fact-539A3CED492B098C8404F94C9CCECE04" name="us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">280,432</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5102-wk-Fact-060EA3B81B802476849FF94C9C80C2E2" name="us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">63,748</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8059138e5116-wk-Fact-C02A3C3119A47E9D7769F94C9CAF8D8F" name="us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">623,120</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Capital expenditures:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5236-wk-Fact-FEFEC6DA7D2CB29F9D9D4DB22F12A995" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">109,107</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5250-wk-Fact-812CBE69717DADF9318EF94C9CDE14BD" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">111,134</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5264-wk-Fact-2EE3324E8E5942474454F94C9CAFE663" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">332,876</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5280-wk-Fact-2FBFFB4E1B02C908394D4DB22F1A9156" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">146,981</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5294-wk-Fact-2C6977E2E47BA3C5668FF94C9CDE3FF6" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">126,272</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5308-wk-Fact-BC78353FE75CD201F311F94C9CAFED0E" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">130,793</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5328-wk-Fact-4F641E38FC91B55CB5534DB22F3761FC" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">31,054</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5342-wk-Fact-2D8B5150F0C53475A2D4F94C9CDE823A" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">34,467</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5356-wk-Fact-8D53BFB8C1290C355216F94C9CCE3995" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">18,315</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5376-wk-Fact-F9DE26655BA8223285764DB22F3F8FFD" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">44,302</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5390-wk-Fact-91FD67C93A7583509BCFF94C9C9F99D7" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">37,845</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5404-wk-Fact-FA308A4AD5D17F0551B2F94C9CAF29DC" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">48,126</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5424-wk-Fact-00814B38CC75046290734DB22F2FC095" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">18,630</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5438-wk-Fact-1E09023488C78729F74FF94C9CAFD8B6" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">60,344</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5452-wk-Fact-064E2497BA3FE9EC90E9F94C9CDEDBCA" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">38,269</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5472-wk-Fact-BF57184B6C93492B24A44DB22F28F9DD" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2017Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,850</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5486-wk-Fact-D83E006AD055FB4D638AF94C9C900E72" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,358</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5500-wk-Fact-54B895C65B2C712C311CF94C9CDE4B4D" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2015Q4YTD_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,755</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total capital expenditures (b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5525-wk-Fact-AF356F89BE054F49B69AF94C9CDE0CD7" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">351,924</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5539-wk-Fact-AC518E43B56416DF52A3F94C9CDE3834" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">372,420</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5553-wk-Fact-A1963B85653036F29C9EF94C9CBFBFFC" name="us-gaap:PropertyPlantAndEquipmentAdditions" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">572,134</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric (c)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5672-wk-Fact-6CAC26415623B56DB3FEF94C9CDED4A2" name="us-gaap:Assets" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,470,922</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5686-wk-Fact-9B81A6CCAAA1E5FD6829F94C9CAF2552" name="us-gaap:Assets" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,406,694</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5700-wk-Fact-2B6F9C8C45F9128D32E9F94C9CDE7827" name="us-gaap:Assets" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,325,858</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution (c)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5715-wk-Fact-D1A7648E95B942EFCC44F94C9CDED712" name="us-gaap:Assets" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,201,081</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5729-wk-Fact-806A308064B3D25955D7F94C9CDE3FFF" name="us-gaap:Assets" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,099,296</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5743-wk-Fact-83848D76A8AB54CC743FF94C9CDE5567" name="us-gaap:Assets" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,038,433</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5763-wk-Fact-7572F4E74DE578EFEC95F94C9CDE14CC" name="us-gaap:Assets" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">566,295</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5777-wk-Fact-C3FE816B570B2F0560CCF94C9CDE0A16" name="us-gaap:Assets" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">550,615</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5791-wk-Fact-DECBCFACFE3FC71BBCB4F94C9CDEC848" name="us-gaap:Assets" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">591,651</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5812-wk-Fact-63819D17622DD4B9B237F94C9CAFA6D5" name="us-gaap:Assets" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,238,696</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5826-wk-Fact-7EF4AC9001E30FE177B4F94C9CDEBB8D" name="us-gaap:Assets" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,220,459</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5840-wk-Fact-C2133BE9E80C980691ECF94C9CDE5182" name="us-gaap:Assets" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,261,963</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5860-wk-Fact-44A2781FE58182655FE9F94C9C9F7B2D" name="us-gaap:Assets" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">591,382</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5874-wk-Fact-3D087BB139759BB7C6EAF94C9CDEA093" name="us-gaap:Assets" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">513,093</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5888-wk-Fact-FED77447E74111576B21F94C9CDE55BD" name="us-gaap:Assets" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">442,845</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other (d)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5908-wk-Fact-D3546EAA2153B80DFB37F94C9CDEFDCC" name="us-gaap:Assets" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">261,419</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5922-wk-Fact-5774D6AEE2AC95C27498F94C9CDEDA87" name="us-gaap:Assets" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">283,255</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5936-wk-Fact-6DCA95D73CF3BC5031D2F94C9CAF65C8" name="us-gaap:Assets" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">287,940</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e5956-wk-Fact-85E630C16BCC6A231922F94C9CAF7598" name="us-gaap:Assets" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_us-gaap_DiscontinuedOperationsHeldforsaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,871</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5970-wk-Fact-F7B2D2F8AC09FF00F8CCF94C9C9F774A" name="us-gaap:Assets" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_us-gaap_DiscontinuedOperationsHeldforsaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">211,055</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e5984-wk-Fact-16E58E0DE979107446ACF94C9CAF8CB4" name="us-gaap:Assets" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_us-gaap_DiscontinuedOperationsHeldforsaleMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">616,464</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e6009-wk-Fact-E20151C55DAEF395FF23F94C9CCE1AEC" name="us-gaap:Assets" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,334,666</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6023-wk-Fact-6E30CFC67B932D35F764F94C9CCED8D7" name="us-gaap:Assets" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,284,467</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6037-wk-Fact-5889DD366CAA76CDC134F94C9CDE23D9" name="us-gaap:Assets" contextRef="FI2015Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,565,154</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:21px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:21px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:21px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:21px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></ix:continuation></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">85</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-538B8E7C87A28836E24FF94C9CFD3192-3" continuedAt="TextSelection-538B8E7C87A28836E24FF94C9CFD3192-4"><ix:continuation id="TextSelection-FAFFB0E0B8DC57559EDCF94C9CED9288-5" continuedAt="TextSelection-FAFFB0E0B8DC57559EDCF94C9CED9288-6"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:61%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Property, plant and equipment:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric (c)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e6328-wk-Fact-22518543FDDB7C363094F94C9CDE1AB2" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,982,264</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6342-wk-Fact-A53DC6D611AE8F8B79DEF94C9CBF8405" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,888,613</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6356-wk-Fact-87952347C55E0CAC260FF94C9CDE1136" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,786,148</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution (c)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e6371-wk-Fact-C1CF810A8F9F7588D243F94C9CDE7B35" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,319,845</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6385-wk-Fact-0E6FAC82B0227EF4D559F94C9CBF2114" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,179,413</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6399-wk-Fact-827DB8DA376D5DBF0810F94C9CDE18FD" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,076,581</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e6419-wk-Fact-437631D664F3262F41A8F94C9CDE2022" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">700,284</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6433-wk-Fact-C2C2A5B00C5A6014898BF94C9CDEE730" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">672,199</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6447-wk-Fact-5932B7661A20652509B3F94C9CCE953A" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">758,729</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e6467-wk-Fact-339648F71690DC1B8F1FF94C9CDE96FB" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,560,048</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6481-wk-Fact-1E6111764F3706D555B1F94C9CDEA77B" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,549,375</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6495-wk-Fact-2F80126D5C60D09DB99EF94C9CDEFA55" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,553,428</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e6515-wk-Fact-C62A5244B4A567973CDDF94C9C9FB632" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">177,265</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6529-wk-Fact-A74122A415B4CEC597BAF94C9C9F4A20" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">171,361</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6543-wk-Fact-68305D2B7D0B842DF89DF94C9C9F16D3" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">163,279</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e6563-wk-Fact-7322AAB05599A3D21E38F94C9CCE0ABD" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">31,123</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6577-wk-Fact-39A9B4BFDB39F296837DF94C9CDE8E0F" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">49,268</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6591-wk-Fact-0900D7BE26C088D556A9F94C9C9FFBF2" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">49,537</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e6611-wk-Fact-A755BAAF374B3037AEF0F94C9CAFB436" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,691,641</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6625-wk-Fact-D332D5A205B4C1F18105F94C9CAF3471" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,578,902</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6639-wk-Fact-725C0A8F8212830F2CFDF94C9CCE9016" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" contextRef="FI2015Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,489,322</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net property, plant and equipment</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8059138e6665-wk-Fact-C5B30ECAB0279FDBDCD6F94C9CCE6A09" name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,079,188</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6679-wk-Fact-F7EA35E09FACBD4879C1F94C9C90606C" name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="FI2016Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,931,327</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8059138e6693-wk-Fact-DF8667605E84C60E019DF94C9C9F14D6" name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="FI2015Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,898,380</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-F1A6CD7DA9601077662FF94C9CEDB27C-0-wk-Footnote-F1A6CD7DA9601077662FF94C9CEDB27C_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.</ix:footnote></span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(b)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-DF8C8F463B13A42D031DF94C9CED325C-0-wk-Footnote-DF8C8F463B13A42D031DF94C9CED325C_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" continuedAt="TextSelection-DF8C8F463B13A42D031DF94C9CED325C-1">Capital expenditures for 2017, 2016 and 2015 include noncash capital expenditure-related accounts payable and AFUDC, totaling </ix:footnote></span><ix:continuation id="TextSelection-DF8C8F463B13A42D031DF94C9CED325C-1" continuedAt="TextSelection-DF8C8F463B13A42D031DF94C9CED325C-2"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8059138e6731-wk-Fact-2DD6474835EE1B17E56DF94C9CAF4F0E" name="mdu:NetNoncashInclusionofAcctPayandAFUDC" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">10.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$(<ix:nonFraction id="d8059138e6735-wk-Fact-91D967CD53DC6C15C9D1F94C9CAFCD78" name="mdu:NetNoncashInclusionofAcctPayandAFUDC" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-5" scale="6" sign="-" format="ixt:numdotdecimal">15.8</ix:nonFraction>)&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8059138e6739-wk-Fact-7A96CBAABCB6E5A3FBBBF94C9CAF2CFF" name="mdu:NetNoncashInclusionofAcctPayandAFUDC" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">35.3</ix:nonFraction>&#160;million</span></span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:continuation id="TextSelection-DF8C8F463B13A42D031DF94C9CED325C-2">, respectively.</ix:continuation></span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(c)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-D988C69C0F9F34AB57BDF94C9CED867B-0-wk-Footnote-D988C69C0F9F34AB57BDF94C9CED867B_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Includes allocations of common utility property</ix:footnote>.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(d)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-2DA402B6454BB85B1E76F94C9CEDCE09-0-wk-Footnote-2DA402B6454BB85B1E76F94C9CEDCE09_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Includes assets not directly assignable to a business (i.e. cash and cash equivalents, certain accounts receivable, certain investments and other miscellaneous current and deferred assets)</ix:footnote>.</span></div></td></tr></table></ix:continuation></ix:continuation><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:8.5pt;"><ix:continuation id="TextSelection-538B8E7C87A28836E24FF94C9CFD3192-4"><ix:continuation id="TextSelection-FAFFB0E0B8DC57559EDCF94C9CED9288-6"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div></td></tr></table></div></ix:continuation></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div><a id="s1E6015EE5E345ACB8E21A347A501A6E2"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> - <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock" id="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-0-wk-Fact-280539B5D39D02186AFCF94C9C90D16A" continuedAt="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-1" escape="true">Employee Benefit Plans</ix:nonNumeric></span></div><ix:continuation id="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-1" continuedAt="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-2"><div style="line-height:140%;padding-top:0px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Pension and other postretirement benefit plans</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company has noncontributory qualified defined benefit pension plans and other postretirement benefit plans for certain eligible employees. The Company uses a measurement date of December&#160;31 for all of its pension and postretirement benefit plans.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Prior to 2013, defined pension plan benefits and accruals for all nonunion and certain union plans were frozen. On June 30, 2015, an additional union plan was frozen. As of June 30, 2015, all of the Company's defined pension plans were frozen. These employees were eligible to receive additional defined contribution plan benefits.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Effective January&#160;1, 2010, eligibility to receive retiree medical benefits was modified at certain of the Company's businesses. Employees who had attained age 55 with 10 years of continuous service by December&#160;31, 2010, will be provided the current retiree medical insurance benefits or can elect the new benefit, if desired, regardless of when they retire. All other current employees must meet the new eligibility criteria of age 60 and 10 years of continuous service at the time they retire. These employees will be eligible for a specified company funded Retiree Reimbursement Account. Employees hired after December&#160;31, 2009, will not be eligible for retiree medical benefits at certain of the Company's businesses.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In 2012, the Company modified health care coverage for certain retirees. Effective January&#160;1, 2013, post-65 coverage was replaced by a fixed-dollar subsidy for retirees and spouses to be used to purchase individual insurance through an exchange.</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">86</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-2" continuedAt="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-3"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock" id="TextSelection-258F6FBB5B6A42E652EBF94C9CFDC50B-0-wk-Fact-B30526685BC5283B0935F94C9C9FEE05" continuedAt="TextSelection-258F6FBB5B6A42E652EBF94C9CFDC50B-1" escape="true">Changes in benefit obligation and plan assets for the years ended </ix:nonNumeric></span><ix:continuation id="TextSelection-258F6FBB5B6A42E652EBF94C9CFDC50B-1" continuedAt="TextSelection-258F6FBB5B6A42E652EBF94C9CFDC50B-2"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, and amounts recognized in the Consolidated Balance Sheets at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span></ix:continuation></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><ix:continuation id="TextSelection-258F6FBB5B6A42E652EBF94C9CFDC50B-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"></td></tr><tr><td style="width:48%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension Benefits</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Postretirement Benefits</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Change in benefit obligation:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Benefit obligation at beginning of year</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e1500-wk-Fact-34BF838C5E71AB5E2218778A5C245BAF" name="us-gaap:DefinedBenefitPlanBenefitObligation" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">436,307</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e1514-wk-Fact-04B775699B485F7D4A1CF94C9CDEF630" name="us-gaap:DefinedBenefitPlanBenefitObligation" contextRef="FI2015Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">442,960</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e1528-wk-Fact-56EDA654C99BDAC69A4D778A5C0D9015" name="us-gaap:DefinedBenefitPlanBenefitObligation" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">89,304</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e1543-wk-Fact-212FA989B662FBFE8370F94C9CDE5B0A" name="us-gaap:DefinedBenefitPlanBenefitObligation" contextRef="FI2015Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">92,734</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Service cost</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e1558-wk-Fact-94CB753A05E097295F65778AC231CC6A" name="us-gaap:DefinedBenefitPlanServiceCost" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e1572-wk-Fact-283C85727150D0CB997FF94C9C9F5AC2" name="us-gaap:DefinedBenefitPlanServiceCost" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e1586-wk-Fact-2799C45514E9C4CA7B78778AC273C118" name="us-gaap:DefinedBenefitPlanServiceCost" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,508</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e1600-wk-Fact-D2ECF7994BBC7E052D14F94C9C9F11B6" name="us-gaap:DefinedBenefitPlanServiceCost" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,647</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest cost</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e1621-wk-Fact-1D2B0ABEB69F5AF05D59778AC26FA5C1" name="us-gaap:DefinedBenefitPlanInterestCost" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">16,207</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e1635-wk-Fact-2B069DAEAF3F078CF16BF94C9C9F50D6" name="us-gaap:DefinedBenefitPlanInterestCost" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">17,218</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e1649-wk-Fact-DDBDEB983119EC7DFC50778AC255A2FF" name="us-gaap:DefinedBenefitPlanInterestCost" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,265</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e1663-wk-Fact-C46E317BC94D09A5E6D4F94C9C90965F" name="us-gaap:DefinedBenefitPlanInterestCost" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,688</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Plan participants' contributions</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e1684-wk-Fact-230CD6B1F922A7CE4AE1778A5C056A0F" name="us-gaap:DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e1698-wk-Fact-E071950BC5D072027161F94C9CDE1735" name="us-gaap:DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e1712-wk-Fact-A9F9DED8C7B13669932E778A5BC5F992" name="us-gaap:DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,368</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e1726-wk-Fact-37C653A55567D6958AC4F94C9CDEC9FE" name="us-gaap:DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,405</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Actuarial (gain) loss</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e1747-wk-Fact-F2EC24783595F54C0925778A5BE538FD" name="us-gaap:DefinedBenefitPlanActuarialGainLoss" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">19,119</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e1761-wk-Fact-65E5359345F7CEC13306F94C9CDEB577" name="us-gaap:DefinedBenefitPlanActuarialGainLoss" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,882</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e1775-wk-Fact-AE90E209E7FE282EDC65778A5B81F7D5" name="us-gaap:DefinedBenefitPlanActuarialGainLoss" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,781</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e1789-wk-Fact-C6EAEAA5E96F537C207BF94C9CDE62EA" name="us-gaap:DefinedBenefitPlanActuarialGainLoss" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,872</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Benefits paid</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e1811-wk-Fact-14AE9B1F6D3010BEA1CA778A5C1AFF7B" name="us-gaap:DefinedBenefitPlanBenefitObligationBenefitsPaid" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">25,710</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e1826-wk-Fact-6744E5C7F68FDD415EA8F94C9CDE7D4E" name="us-gaap:DefinedBenefitPlanBenefitObligationBenefitsPaid" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">25,753</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e1841-wk-Fact-C194EEF3C826CC34EAFA778A5B899C0A" name="us-gaap:DefinedBenefitPlanBenefitObligationBenefitsPaid" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,020</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e1856-wk-Fact-56E62A5D7508C5934A87F94C9CDE2613" name="us-gaap:DefinedBenefitPlanBenefitObligationBenefitsPaid" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,298</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Benefit obligation at end of year</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e1878-wk-Fact-977208DC5065D7EE078BF94C9CDED487" name="us-gaap:DefinedBenefitPlanBenefitObligation" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">445,923</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e1892-wk-Fact-34BF838C5E71AB5E2218778A5C245BAF" name="us-gaap:DefinedBenefitPlanBenefitObligation" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">436,307</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e1906-wk-Fact-AE7FFBDF2EB4135437F4F94C9CDEB612" name="us-gaap:DefinedBenefitPlanBenefitObligation" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">91,206</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e1920-wk-Fact-56EDA654C99BDAC69A4D778A5C0D9015" name="us-gaap:DefinedBenefitPlanBenefitObligation" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">89,304</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Change in net plan assets:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Fair value of plan assets at beginning of year</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2005-wk-Fact-E8DFEAD66BAA7C693B9C778A5BCE174C" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">333,509</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2019-wk-Fact-DF7A1395A6D8B91E2EBAF94C9CDE540E" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2015Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">332,667</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2033-wk-Fact-1FB9B892842D01A3DC6AF94C9C80E6FE" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">82,846</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2047-wk-Fact-4B2C7E723055FF15063CF94C9CDE886D" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2015Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">82,593</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Actual gain on plan assets</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2068-wk-Fact-160CB10CA453B6DF1E59778A5B86F8FF" name="us-gaap:DefinedBenefitPlanActualReturnOnPlanAssets" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">45,473</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2082-wk-Fact-52E3736664074266B60BF94C9CDE93EA" name="us-gaap:DefinedBenefitPlanActualReturnOnPlanAssets" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">26,595</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2096-wk-Fact-A63F0FCDAB8B9031BB9C778A5BD853C0" name="us-gaap:DefinedBenefitPlanActualReturnOnPlanAssets" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,612</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2110-wk-Fact-D4EDA63D7FF9A5490B89F94C9CDE696E" name="us-gaap:DefinedBenefitPlanActualReturnOnPlanAssets" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,184</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Employer contribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2131-wk-Fact-AC605A755DCE113FB153778A5C2349CB" name="us-gaap:DefinedBenefitPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,112</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2145-wk-Fact-82C0DDC0794B654C9805F94C9C80F1FD" name="us-gaap:DefinedBenefitPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2159-wk-Fact-5216F4C43B98CCD7D78C778A5BD63D17" name="us-gaap:DefinedBenefitPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">933</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2173-wk-Fact-F90216B51C79C372E1F6F94C9CDEC6E2" name="us-gaap:DefinedBenefitPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">962</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Plan participants' contributions</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2194-wk-Fact-5C16230473186FFC0D8D778A5C1696FD" name="us-gaap:DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2208-wk-Fact-413AE7313F0603059869F94C9CDE2E6B" name="us-gaap:DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2222-wk-Fact-A300588BD9CC381766DB778A5BE093F3" name="us-gaap:DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,368</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2236-wk-Fact-A422A5B76FC472B6F081F94C9C80CB4E" name="us-gaap:DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,405</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Benefits paid</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e2257-wk-Fact-034C873DD688D5A43AA0778A5BF9D8E2" name="us-gaap:DefinedBenefitPlanPlanAssetsBenefitsPaid" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">25,710</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e2272-wk-Fact-ADF4B98B5A18BAE319F3F94C9CDE5F33" name="us-gaap:DefinedBenefitPlanPlanAssetsBenefitsPaid" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">25,753</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e2287-wk-Fact-F0A04963642AD97F6AD4778A5BC2FD26" name="us-gaap:DefinedBenefitPlanPlanAssetsBenefitsPaid" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,020</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e2302-wk-Fact-26E75398413189778098F94C9CDE297B" name="us-gaap:DefinedBenefitPlanPlanAssetsBenefitsPaid" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,298</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Fair value of net plan assets at end of year</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2324-wk-Fact-EBF2923EE4F02F2F0E72F94C9CDEE137" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">354,384</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2338-wk-Fact-E8DFEAD66BAA7C693B9C778A5BCE174C" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">333,509</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2352-wk-Fact-AA915375B53738D46452F94C9CDE4426" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">88,739</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2366-wk-Fact-1FB9B892842D01A3DC6AF94C9C80E6FE" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">82,846</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Funded status - under</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e2392-wk-Fact-8BD2E7DA1905DB704252F94C9CDE8B4E" name="us-gaap:DefinedBenefitPlanFundedStatusOfPlan" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">91,539</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e2407-wk-Fact-A23352FDD338EB1C5DC5F94C9CDE41AB" name="us-gaap:DefinedBenefitPlanFundedStatusOfPlan" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">102,798</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e2422-wk-Fact-E822D2AE73B18E8D4855F94C9CDE975C" name="us-gaap:DefinedBenefitPlanFundedStatusOfPlan" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,467</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e2438-wk-Fact-59E8B7E03CA2506B898BF94C9CDE1B78" name="us-gaap:DefinedBenefitPlanFundedStatusOfPlan" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">6,458</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amounts recognized in the Consolidated</span></div><div style="padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance Sheets at December&#160;31:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred charges and other assets - other</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2525-wk-Fact-108815DC9879A575246B7C835D16926F" name="us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2539-wk-Fact-07DB9D4A0104A0FC1377F94C9CDEA3DE" name="us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2553-wk-Fact-36E2A8D6120B7A9A066D778A5C2064FF" name="us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">19,114</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2568-wk-Fact-27D23086C6BF16EAB95EF94C9CDE1838" name="us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,131</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other accrued liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2583-wk-Fact-260DF514E33F923CBE0F778A5BEEBCF6" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2597-wk-Fact-08AD79FF6529C32BB8A7F94C9CDEE571" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2611-wk-Fact-3394F0D907BCE9E51BA4778A5B883E5E" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">612</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2625-wk-Fact-EC1B5BCAB6D6451BFCACF94C9CDE9AB8" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">538</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred credits and other liabilities - other</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2647-wk-Fact-40F582C20BCE3D8BC80D778A5BE3AD40" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">91,539</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2661-wk-Fact-AA8271CA71D6008D3F0CF94C9CDE406E" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">102,798</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2675-wk-Fact-2D2728AABA2754E8786C778A5C079AE9" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">20,969</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2689-wk-Fact-95FB2024AF5719A9AF8FF94C9CDEE524" name="us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">19,051</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Benefit obligation liabilities - net amount recognized</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e2715-wk-Fact-71CF6F8FB17E389F822BF94C9CDE300A" name="us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">91,539</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e2730-wk-Fact-2EB2851338BE2A0CFA1DF94C9CDE6EEC" name="us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">102,798</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e2745-wk-Fact-ED838C74F4616DE4008AF94C9CDEE4FA" name="us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,467</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e2761-wk-Fact-2EDCDA10B27E33C7B973F94C9CDE14D8" name="us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">6,458</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amounts recognized in accumulated other comprehensive (income) loss or regulatory assets (liabilities) consist of:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Actuarial loss</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2845-wk-Fact-F375A340FC27193250AF778A5BFB9FDD" name="mdu:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesGainLossbeforeTax" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">186,486</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2859-wk-Fact-0D5F2AF856076DE6ED97F94C9CDE54FD" name="mdu:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesGainLossbeforeTax" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">198,668</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2873-wk-Fact-FC94BC1F73DD9EADB0E5778A5C187631" name="mdu:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesGainLossbeforeTax" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,423</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2888-wk-Fact-F452864757F0C61FFCAFF94C9CDE6216" name="mdu:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesGainLossbeforeTax" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">17,470</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Prior service credit</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2903-wk-Fact-ABEC3698D141F8E674C1F94C9CDE07CE" name="mdu:DefinedBenefitPlanAccumulatedOtherComprehensionIncomeLossorRegulatoryAssetsorLiabilitiesNetPriorServiceCostCreditBeforeTax" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2917-wk-Fact-3DA397A28F1CB46672B9F94C9CDE1160" name="mdu:DefinedBenefitPlanAccumulatedOtherComprehensionIncomeLossorRegulatoryAssetsorLiabilitiesNetPriorServiceCostCreditBeforeTax" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e2931-wk-Fact-652D66280E559DC70A90778A5B8B844E" name="mdu:DefinedBenefitPlanAccumulatedOtherComprehensionIncomeLossorRegulatoryAssetsorLiabilitiesNetPriorServiceCostCreditBeforeTax" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">11,632</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e2946-wk-Fact-6D41736AC06A1AE3D840F94C9CDE76BE" name="mdu:DefinedBenefitPlanAccumulatedOtherComprehensionIncomeLossorRegulatoryAssetsorLiabilitiesNetPriorServiceCostCreditBeforeTax" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">13,003</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e2973-wk-Fact-51557CB2C5EE9EB9E5E8F94C9CDE9C99" name="mdu:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesBeforeTax" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">186,486</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e2987-wk-Fact-BA17D25E34500C9D9D5AF94C9CDE6879" name="mdu:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesBeforeTax" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">198,668</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e3001-wk-Fact-C7E0BC59573DEC570BE8F94C9CDE368C" name="mdu:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesBeforeTax" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,791</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e3016-wk-Fact-F0B6B3D55921D283F52EF94C9CDEA8AF" name="mdu:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesBeforeTax" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,467</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Employer contributions and benefits paid in the preceding table include only those amounts contributed directly to, or paid directly from, plan assets. Accumulated other comprehensive (income) loss in the above table includes amounts related to regulated operations, which are recorded as regulatory assets (liabilities) and are expected to be reflected in rates charged to customers over time. For more information on regulatory assets (liabilities), see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Unrecognized pension actuarial losses in excess of 10&#160;percent of the greater of the projected benefit obligation or the market-related value of assets are amortized over the average life expectancy of plan participants for frozen plans. The market-related value of assets is determined using a five-year average of assets.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfAccumulatedAndProjectedBenefitObligationsTableTextBlock" id="TextSelection-90D49A1A89CA963BDAC8F94C9CFD48F3-0-wk-Fact-48540503C12ADAD37057F94C9C908628" continuedAt="TextSelection-90D49A1A89CA963BDAC8F94C9CFD48F3-1" escape="true">The pension plans all have accumulated benefit obligations in excess of plan assets. The projected benefit obligation, accumulated benefit obligation and fair value of plan assets for these plans at December&#160;31 were as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-90D49A1A89CA963BDAC8F94C9CFD48F3-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"></td></tr><tr><td style="width:74%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Projected benefit obligation</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e3147-wk-Fact-9954F88395CDA81998B2778A4A2A9AB3" name="us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">445,923</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e3161-wk-Fact-A654E9DE7756D56FC355F94C9CDEF04B" name="us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">436,307</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accumulated benefit obligation</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e3181-wk-Fact-85B52BF66616977B9CF7778A4A1B1530" name="us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">445,923</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e3195-wk-Fact-B0A0C2623556C3443D2EF94C9CDE9037" name="us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">436,307</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Fair value of plan assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e3215-wk-Fact-228D0D72AE8F4C8B0183778A4A28E6A6" name="us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">354,384</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e3229-wk-Fact-EB3026F2DF69897C93D0F94C9CDEDC50" name="us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">333,509</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">87</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-3" continuedAt="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-4"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfNetBenefitCostsTableTextBlock" id="TextSelection-BB65A1B9D5433C03B1C6F94C9CFDB538-0-wk-Fact-CB166925655E46FAB99DF94C9CCED99B" continuedAt="TextSelection-BB65A1B9D5433C03B1C6F94C9CFDB538-1" escape="true">Components of net periodic benefit cost (credit) for the Company's pension and other postretirement benefit plans for the years ended December&#160;31 were as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-BB65A1B9D5433C03B1C6F94C9CFDB538-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="19"></td></tr><tr><td style="width:40%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:8%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension Benefits</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Postretirement Benefits</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Components of net periodic benefit cost (credit):</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Service cost</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e3676-wk-Fact-94CB753A05E097295F65778AC231CC6A" name="us-gaap:DefinedBenefitPlanServiceCost" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e3690-wk-Fact-283C85727150D0CB997FF94C9C9F5AC2" name="us-gaap:DefinedBenefitPlanServiceCost" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e3704-wk-Fact-7DD011A33CB5370C96C8F94C9C9F9360" name="us-gaap:DefinedBenefitPlanServiceCost" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">86</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e3719-wk-Fact-2799C45514E9C4CA7B78778AC273C118" name="us-gaap:DefinedBenefitPlanServiceCost" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,508</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e3733-wk-Fact-D2ECF7994BBC7E052D14F94C9C9F11B6" name="us-gaap:DefinedBenefitPlanServiceCost" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,647</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e3747-wk-Fact-F94B703EFDCC5B9C060CF94C9C9F9868" name="us-gaap:DefinedBenefitPlanServiceCost" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,816</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest cost</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e3762-wk-Fact-1D2B0ABEB69F5AF05D59778AC26FA5C1" name="us-gaap:DefinedBenefitPlanInterestCost" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">16,207</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e3776-wk-Fact-2B069DAEAF3F078CF16BF94C9C9F50D6" name="us-gaap:DefinedBenefitPlanInterestCost" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">17,218</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e3790-wk-Fact-E9C759715FA2D22E8CA1F94C9C9FE9DB" name="us-gaap:DefinedBenefitPlanInterestCost" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">17,141</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e3804-wk-Fact-DDBDEB983119EC7DFC50778AC255A2FF" name="us-gaap:DefinedBenefitPlanInterestCost" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,265</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e3819-wk-Fact-C46E317BC94D09A5E6D4F94C9C90965F" name="us-gaap:DefinedBenefitPlanInterestCost" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,688</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e3833-wk-Fact-D13AAD5CA3F81FDC5476F94C9C9F2672" name="us-gaap:DefinedBenefitPlanInterestCost" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,607</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Expected return on assets</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e3853-wk-Fact-92B5B19736383DC22F85778AC26D26ED" name="us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">20,528</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e3868-wk-Fact-61CBEF160D848692F595F94C9C9FE23E" name="us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">20,924</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e3883-wk-Fact-CAE8DED17B5DB7673EABF94C9C9FD6A9" name="us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">22,254</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e3898-wk-Fact-E6B91204B060851924B9778AC257007A" name="us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,641</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e3914-wk-Fact-65B4B0625E11D3AE2C1FF94C9C9FFC0F" name="us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,533</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e3929-wk-Fact-AD2CDE9C0012CE53DFEDF94C9C90BDC3" name="us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,795</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amortization of prior service cost (credit)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e3950-wk-Fact-2EAF2FD6D965F38E7325778AC2488836" name="us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e3964-wk-Fact-D11EB9DD593E7BC98655F94C9C9F3F26" name="us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e3978-wk-Fact-32C53479BB6B1F4F06A7F94C9C90C9D3" name="us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">36</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e3992-wk-Fact-5C05D11E4ECF5DC18BF2778AC24447C6" name="us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,371</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e4008-wk-Fact-57F721CD2E85FF2F7015F94C9C9FFC56" name="us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,371</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e4023-wk-Fact-D4619D190BBD5F60C4EAF94C9C9F91A8" name="us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,371</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Recognized net actuarial loss</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e4044-wk-Fact-43A35255C102ED4DBC98778AC233F865" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">6,355</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4058-wk-Fact-C22F3A114E753AA93A40F94C9C9F0816" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">6,215</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4072-wk-Fact-01D5473EEB67FDE464F8F94C9C9FBD09" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">7,016</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e4086-wk-Fact-278F4451CF0474308766778AC246CC25" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">857</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4101-wk-Fact-D54D944E19AC8E0A1E14F94C9C9FBADF" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,491</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4115-wk-Fact-CCFAF5356DB56F5338FBF94C9C909F7C" name="us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,960</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Curtailment loss</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e4135-wk-Fact-51E922CE004F40AA8207778AC241F29F" name="us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4149-wk-Fact-F93EAB65EAA6DC5C6AB9F94C9C901199" name="us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4163-wk-Fact-450444724448F6972A7BF94C9C9F5C14" name="us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">258</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e4177-wk-Fact-7C1C177142DC98AA1222F94C9C9FCAA0" name="us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4192-wk-Fact-3D3CE3F06C396E17C199F94C9C9F11B8" name="us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4206-wk-Fact-3C80CCC746CA6930985EF94C9C9F7DA3" name="us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net periodic benefit cost (credit), including amount capitalized</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e4226-wk-Fact-5FE542E53D500D32E5BFF94C9C9F1D3A" name="mdu:DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,034</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4240-wk-Fact-A302707E17A62DFE665CF94C9C9FF492" name="mdu:DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,509</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4254-wk-Fact-FF29431CEE79E47D4CC1F94C9C9FFB59" name="mdu:DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,283</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e4268-wk-Fact-B177CD104D44F8D972C0F94C9C9F0DC6" name="mdu:DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">382</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4284-wk-Fact-7C4601C0094194C5FB1EF94C9C9F735B" name="mdu:DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">922</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4298-wk-Fact-193074C1D07B92645483F94C9C90C654" name="mdu:DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,217</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less amount capitalized</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e4319-wk-Fact-80971A2E78C8ED73A0E5778AC26A6F27" name="mdu:DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">310</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4333-wk-Fact-F02BD9BE32C59DAD0B09F94C9C90E726" name="mdu:DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">381</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4347-wk-Fact-A3B6B0CADBA1884B09E9F94C9C9F4BFE" name="mdu:DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">316</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e4361-wk-Fact-F2242FEDA30C1C7CA89A778AC2664B00" name="mdu:DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">370</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e4377-wk-Fact-80E31498284503FF5CD9F94C9C9FC61F" name="mdu:DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">52</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4392-wk-Fact-466FD6A6F8C5ED0DD5F0F94C9C9012EE" name="mdu:DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">120</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net periodic benefit cost (credit)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e4412-wk-Fact-C00113039E284AD6363AF94C9C9F022D" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,724</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4426-wk-Fact-695C551C52A8516C70ABF94C9C9F757A" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,128</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4440-wk-Fact-819EDACE28F7C9F70E93F94C9C903346" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,967</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e4454-wk-Fact-4F5150536D018C5E56F5F94C9C90F58E" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">12</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4470-wk-Fact-278E1FB1B58A06A549B4F94C9C9FE4B7" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">974</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4484-wk-Fact-9D596CB5B447E96BE651F94C9C9F8A6B" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,097</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other changes in plan assets and benefit obligations recognized in accumulated comprehensive (income) loss or regulatory assets (liabilities):</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net (gain) loss</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e4595-wk-Fact-F107EAE51C60DC226297778AC24A64E6" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossArisingDuringPeriodBeforeTax" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,827</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e4610-wk-Fact-6E1B28979CD1CC9E3654F94C9C9F2F0D" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossArisingDuringPeriodBeforeTax" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,789</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4625-wk-Fact-5587DD43CA962C77A69BF94C9C9FF2E6" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossArisingDuringPeriodBeforeTax" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">8,257</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e4639-wk-Fact-E6C5E3ECBE4100D98BAA778AC2637D4C" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossArisingDuringPeriodBeforeTax" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,190</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e4655-wk-Fact-56A6717109C9CAACFFD1F94C9C9FABBF" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossArisingDuringPeriodBeforeTax" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,523</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e4670-wk-Fact-DB7950989B2C6858F510F94C9C90A14E" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossArisingDuringPeriodBeforeTax" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,336</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amortization of actuarial loss</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e4691-wk-Fact-5BA337EC56C17ADBD068778AC27110F0" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIbeforeTax" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">6,355</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e4706-wk-Fact-E38D2EE2C6C158B4627AF94C9C9F77E3" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIbeforeTax" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">6,215</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e4721-wk-Fact-2228ED00F67D808510E7F94C9C9FBFCD" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIbeforeTax" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">7,016</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e4736-wk-Fact-9EE202E9077D398062C6778AC2617DEA" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIbeforeTax" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">857</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e4752-wk-Fact-B6E25F46865BD6234FEDF94C9C90F481" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIbeforeTax" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,491</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e4767-wk-Fact-9829EEA450197B9C70EBF94C9C900E70" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIbeforeTax" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,960</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amortization of prior service (cost) credit</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e4788-wk-Fact-4AE6D115BC79C070F7E4778AC250CA48" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanPriorServiceCostCreditReclassificationAdjustmentfromAOCIbeforeTax" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4802-wk-Fact-84C78431090E44D777C6F94C9C9FE245" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanPriorServiceCostCreditReclassificationAdjustmentfromAOCIbeforeTax" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e4816-wk-Fact-DCF4C7186C4001D485E6F94C9C90EC8F" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanPriorServiceCostCreditReclassificationAdjustmentfromAOCIbeforeTax" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">294</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e4831-wk-Fact-C8DB27834E7CBAFC1198778AC25224B8" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanPriorServiceCostCreditReclassificationAdjustmentfromAOCIbeforeTax" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,371</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4846-wk-Fact-FC48CB5D3FA96C0EE4C5F94C9C9F4DE2" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanPriorServiceCostCreditReclassificationAdjustmentfromAOCIbeforeTax" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,371</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4860-wk-Fact-22B006316D5D9136883EF94C9C9F376E" name="mdu:OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanPriorServiceCostCreditReclassificationAdjustmentfromAOCIbeforeTax" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,371</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total recognized in accumulated other comprehensive (income) loss or regulatory assets (liabilities)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e4880-wk-Fact-3F0E3B0FFE3F443BC7B9F94C9C9FC1C2" name="mdu:DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTax" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">12,182</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e4895-wk-Fact-1C5B7D62BC2C1140B2C6F94C9C9FBE73" name="mdu:DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTax" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">10,004</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e4910-wk-Fact-F1AF2672A1BC65749FDDF94C9C9FE849" name="mdu:DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTax" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">947</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e4924-wk-Fact-64558516D1C3F3BF9F08F94C9C9FF38C" name="mdu:DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTax" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,676</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e4940-wk-Fact-D32EE3489ACDFF73E195F94C9C902DEA" name="mdu:DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTax" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,643</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e4955-wk-Fact-D8E11A2CF63C9C6053F8F94C9C9F9049" name="mdu:DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTax" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">1,925</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total recognized in net periodic benefit cost (credit), accumulated other comprehensive (income) loss and regulatory assets (liabilities)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e4981-wk-Fact-CC48EC650906BD754DF1F94C9C90283D" name="mdu:DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTaxTotal" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">10,458</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e4996-wk-Fact-E249F9CAA9B7AEF56580F94C9C9FC0D6" name="mdu:DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTaxTotal" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">7,876</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e5011-wk-Fact-7C2AC33C946BEC679B49F94C9C9F82CC" name="mdu:DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTaxTotal" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,914</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8105146e5026-wk-Fact-229091FCB20576CE6CD6F94C9C9F00A2" name="mdu:DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTaxTotal" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,688</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e5041-wk-Fact-1CC1034DA96843FF1CCAF94C9C90935E" name="mdu:DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTaxTotal" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,669</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e5056-wk-Fact-7581C547F51897D0120DF94C9C9F351A" name="mdu:DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTaxTotal" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">828</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated net loss for the defined benefit pension plans that will be amortized from accumulated other comprehensive loss and regulatory assets into net periodic benefit cost in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> is </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e5078-wk-Fact-C6F1E2D32284EE90A9867CD36A0A87C3" name="mdu:DefinedBenefitPlanExpectedAmortizationofGainLossNextYear" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" sign="-" format="ixt:numdotdecimal">7.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. The estimated net loss and prior service credit for the other postretirement benefit plans that will be amortized from accumulated other comprehensive loss and regulatory assets into net periodic benefit cost in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> are </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e5086-wk-Fact-74DA53351EDBA389DF747CD9CC8C2798" name="mdu:DefinedBenefitPlanExpectedAmortizationofGainLossNextYear" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="0" scale="0" sign="-" format="ixt:numdotdecimal">800,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e5090-wk-Fact-6F7360312E1DB57C2A817D035132885A" name="mdu:DefinedBenefitPlanExpectedAmortizationofPriorServiceCostCreditNextYear" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" sign="-" format="ixt:numdotdecimal">1.4</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. Prior service cost is amortized on a straight line basis over the average remaining service period of active participants.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfAssumptionsUsedTableTextBlock" id="TextSelection-ED636C699D08716C20F2F94C9CFD74C8-0-wk-Fact-7AEFBFC7BC5E500C5AE4F94C9C90415F" continuedAt="TextSelection-ED636C699D08716C20F2F94C9CFD74C8-1" escape="true">Weighted average assumptions used to determine benefit obligations at December&#160;31 were as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-ED636C699D08716C20F2F94C9CFD74C8-1" continuedAt="TextSelection-ED636C699D08716C20F2F94C9CFD74C8-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"></td></tr><tr><td style="width:48%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension Benefits</span></div></td><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Postretirement Benefits</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discount rate</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e5217-wk-Fact-2E6DF9A718E645AA7921778A4FDE54AD" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">3.38</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e5227-wk-Fact-CAA3D4D06BBB1F6CE44AF94C9CCEE179" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">3.83</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e5237-wk-Fact-19C6FC5302C341672ACF778A4FE1632C" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">3.41</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e5247-wk-Fact-A1691ADAA8E4A398DFDEF94C9CCE4588" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">3.86</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Expected return on plan assets</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e5263-wk-Fact-9FE1F087C5F7267FE946778A4FDF52D2" name="mdu:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongTermReturnOnAssets" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">6.75</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e5273-wk-Fact-88E92FB7147E48A38900F94C9CCE3684" name="mdu:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongTermReturnOnAssets" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">6.75</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e5283-wk-Fact-82045B09A7C5DB7E3298778A4FE38A03" name="mdu:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongTermReturnOnAssets" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">5.75</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e5293-wk-Fact-9F211E031076E8DA8F6DF94C9CCE7CE0" name="mdu:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongTermReturnOnAssets" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">5.75</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Rate of compensation increase</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e5327-wk-Fact-F3EE351F197C124CF407778A4FD91350" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">3.00</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e5337-wk-Fact-949EBF4822526C774CC0F94C9CCEDAFB" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">3.00</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr></table></div></ix:continuation></div><ix:continuation id="TextSelection-ED636C699D08716C20F2F94C9CFD74C8-2" continuedAt="TextSelection-ED636C699D08716C20F2F94C9CFD74C8-3"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Weighted average assumptions used to determine net periodic benefit cost for the years ended December&#160;31 were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"></td></tr><tr><td style="width:48%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension Benefits</span></div></td><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Postretirement Benefits</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discount rate</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e5460-wk-Fact-87E9EAF2013B5C1598F2778A6FCCC7C7" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">3.83</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e5470-wk-Fact-2F774DE36602AE467D55F94C9C90FF81" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">4.00</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e5480-wk-Fact-AC75609B8DE172918A13778A6FD4F543" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">3.86</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e5490-wk-Fact-51BDFDC5F0965D71823FF94C9C907647" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">4.06</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Expected return on plan assets</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e5506-wk-Fact-16F2F6C81E61546906A2904D8E5091E5" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">6.75</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e5516-wk-Fact-4B8E764D3765EB98C13790787369C144" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">6.75</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e5526-wk-Fact-3E6A611939AAFBDA3E43904EBA365066" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">5.75</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e5536-wk-Fact-917555BE02505739494DF94C9C90EA16" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">5.75</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Rate of compensation increase</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e5570-wk-Fact-E9F3FD25FCC18163D0619A5EB1C355FC" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">3.00</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e5580-wk-Fact-6D765A84D305B3626D96F94C9C90ED2B" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">3.00</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span></div></ix:continuation><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-ED636C699D08716C20F2F94C9CFD74C8-3"></ix:continuation>The expected rate of return on pension plan assets is based on a targeted asset allocation range determined by the funded ratio of the plan. As of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the expected rate of return on pension plan assets is based on the targeted asset allocation range of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e5618-wk-Fact-1747D11F54F318C0881DF94C9C9045E1" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_EquitySecuritiesMember_us-gaap_RangeAxis_us-gaap_MinimumMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">40</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e5622-wk-Fact-F88F482DAFF43FD5B21DF94C9C90E36F" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_EquitySecuritiesMember_us-gaap_RangeAxis_us-gaap_MaximumMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">50</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent equity securities and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e5626-wk-Fact-7F2C97172268C797770FF94C9CCED573" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_FixedIncomeSecuritiesMember_us-gaap_RangeAxis_us-gaap_MinimumMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">50</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e5630-wk-Fact-642D57D22A51EF8F285EF94C9CAF1E35" name="us-gaap:DefinedBenefitPlanPlanAssetsTargetAllocationPercentage" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_FixedIncomeSecuritiesMember_us-gaap_RangeAxis_us-gaap_MaximumMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">60</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent fixed-income securities and the expected rate of return from these asset categories. 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Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">88</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-4" continuedAt="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-5"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfHealthCareCostTrendRatesTableTextBlock" id="TextSelection-EE07B21561D0A7F0BC69F94C9CFD0C8C-0-wk-Fact-F516CA7106976CD0B7B5F94C9CCE9243" continuedAt="TextSelection-EE07B21561D0A7F0BC69F94C9CFD0C8C-1" escape="true">Health care rate assumptions for the Company's other postretirement benefit plans as of December&#160;31 were as follows:</ix:nonNumeric></span><ix:continuation id="TextSelection-EE07B21561D0A7F0BC69F94C9CFD0C8C-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:516px;border-collapse:collapse;text-align:left;"><tr><td colspan="11"></td></tr><tr><td style="width:297px;"></td><td style="width:44px;"></td><td style="width:8px;"></td><td style="width:17px;"></td><td style="width:31px;"></td><td style="width:8px;"></td><td style="width:44px;"></td><td style="width:8px;"></td><td style="width:17px;"></td><td 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style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Health care trend rate assumed for next year</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e5741-wk-Fact-CB2A626E9E6FA79B2F89778AAE9612D8" name="us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear" contextRef="FI2017Q4_us-gaap_RangeAxis_us-gaap_MinimumMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">7.5</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#8211;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e5756-wk-Fact-3ABD8421EAB37B05CB10778AAE93AE8B" name="us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear" contextRef="FI2017Q4_us-gaap_RangeAxis_us-gaap_MaximumMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">8.5</ix:nonFraction></span></span></div></td><td 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scale="-2" format="ixt:numdotdecimal">8.6</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8211;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e5781-wk-Fact-9D2C092BD9DEB0B5313DF94C9C9FC8A3" name="us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear" 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style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e5832-wk-Fact-3C7AEB7889B45368992FF94C9C9FBC43" name="us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">4.5</ix:nonFraction></span></span></div></td><td 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style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td 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A one&#160;percentage point change in the assumed health care cost trend rates would have had the following effects at </ix:nonNumeric></span><ix:continuation id="TextSelection-D72F102B67218FE53D5FF94C9CFDD79D-1"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:511px;border-collapse:collapse;text-align:left;"><tr><td colspan="7"></td></tr><tr><td style="width:337px;"></td><td style="width:9px;"></td><td style="width:75px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:75px;"></td><td style="width:3px;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">1&#160;Percentage</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Point Increase</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">1&#160;Percentage</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Point Decrease</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Effect on total of service and interest cost components</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6021-wk-Fact-E00EDB2917065844FC3F778A8F9298D9" name="us-gaap:DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">306</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8105146e6035-wk-Fact-EC5CA8CC24F25C54A58E778A8F8E93AB" name="us-gaap:DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">247</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Effect on postretirement benefit obligation</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6056-wk-Fact-2A56093957A7B0DBFB3C778A8F933BEB" name="us-gaap:DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,433</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade 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style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Outside investment managers manage the Company's pension and postretirement assets. The Company's investment policy with respect to pension and other postretirement assets is to make investments solely in the interest of the participants and beneficiaries of the plans and for the exclusive purpose of providing benefits accrued and defraying the reasonable expenses of administration. The Company strives to maintain investment diversification to assist in minimizing the risk of large losses. The Company's policy guidelines allow for investment of funds in cash equivalents, fixed-income securities and equity securities. The guidelines prohibit investment in commodities and futures contracts, equity private placement, employer securities, leveraged or derivative securities, options, direct real estate investments, precious metals, venture capital and limited partnerships. The guidelines also prohibit short selling and margin transactions. The Company's practice is to periodically review and rebalance asset categories based on its targeted asset allocation percentage policy.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. The ASC establishes a hierarchy for grouping assets and liabilities, based on the significance of inputs. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair values of the Company's pension plans' assets are determined using the market approach.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The carrying value of the pension plans' Level&#160;2 cash equivalents approximates fair value and is determined using observable inputs in active markets or the net asset value of shares held at year end, which is determined using other observable inputs including pricing from outside sources. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;background-color:#ffffff;color:#000000;">The estimated fair value of the pension plans' Level&#160;1 equity securities is based on the closing price reported on the active market on which the individual securities are traded.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the pension plans' Level&#160;1 and Level&#160;2 collective and mutual funds are based on the net asset value of shares held at year end, based on either published market quotations on active markets or other known sources including pricing from outside sources. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the pension plans' Level&#160;2 corporate and municipal bonds is determined using other observable inputs, including benchmark yields, reported trades, broker/dealer quotes, bids, offers, future cash flows and other reference data.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the pension plans' Level&#160;1 U.S. Government securities are valued based on quoted prices on an active market.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the pension plans' Level&#160;2 U.S. Government securities are valued mainly using other observable inputs, including benchmark yields, reported trades, broker/dealer quotes, bids, offers, to be announced prices, future cash flows and other reference data. Some of these securities are valued using pricing from outside sources.</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">89</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-5" continuedAt="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-6"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Though the Company believes the methods used to estimate fair value are consistent with those used by other market participants, the use of other methods or assumptions could result in a different estimate of fair value. For the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, there were no transfers between Levels&#160;1 and 2.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfAllocationOfPlanAssetsTableTextBlock" id="TextSelection-F2101D3B79909ACCE6D2F94C9CFD1308-0-wk-Fact-453869FC1E8318C52DF8F94C9CCE961A" continuedAt="TextSelection-F2101D3B79909ACCE6D2F94C9CFD1308-1" escape="true">The fair value of the Company's pension plans' assets 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style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;at December&#160;31, 2017, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">in Active</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Markets for</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Identical</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Assets</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade 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style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. companies</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6594-wk-Fact-C262FA957978230BA19F778A8BCE8C22" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,345</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6608-wk-Fact-72FE319700129A6FBA32F94C9CCE36A5" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6622-wk-Fact-4FDF39D19D5309260F13F94C9CDE5CB0" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6636-wk-Fact-9ADE04B2438F11F5068BF94C9CAF410E" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,345</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">International companies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6657-wk-Fact-56552EDCE9B8C8473897778A8BD026BC" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,766</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6671-wk-Fact-4BC4BEBC5F3FE4FE3D61F94C9CDEBEB0" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6685-wk-Fact-0AFBABFE1289BA223A56F94C9CDE2CBC" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6699-wk-Fact-B694560DAE09236F027CF94C9CDEBE0B" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,766</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Collective and mutual funds*</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6720-wk-Fact-F2574906671FE9EB336B778A8BC56979" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_CollectiveAndMutualFundsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">171,822</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6734-wk-Fact-6936C4115F3E99C94051778A8BCBC0E4" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_CollectiveAndMutualFundsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">67,749</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6748-wk-Fact-03DE712DCE5B8E440609F94C9CBF27CE" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_CollectiveAndMutualFundsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6762-wk-Fact-24CE1B1EC120A599F03BF94C9CBFE919" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_CollectiveAndMutualFundsMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">239,571</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Corporate bonds</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6783-wk-Fact-C863BE1A144B2D66011EF94C9C90E0AB" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CorporateDebtSecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6797-wk-Fact-F16AE5E5054214BC723C778A8BD1F971" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CorporateDebtSecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">74,956</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6811-wk-Fact-B4FC22300D3523850F29F94C9CCE1C6C" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CorporateDebtSecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6825-wk-Fact-E72A63CDF4469B13EE8EF94C9CDE7E1A" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CorporateDebtSecuritiesMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">74,956</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Municipal bonds</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6846-wk-Fact-3E6CCB515DD304C84357F94C9CBFB431" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_MunicipalBondsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6860-wk-Fact-86E39F96C7A70B6BC751778A8BC9B027" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_MunicipalBondsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">16,839</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6874-wk-Fact-B16D72AE981D7C5A63F7F94C9CCE9C51" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_MunicipalBondsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6888-wk-Fact-FF4A3AEC3F9A203C0F5EF94C9CAFD20E" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_MunicipalBondsMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">16,839</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. Government securities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6910-wk-Fact-A9487A84A8901C1A50CA778A8BCC90C2" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_USTreasurySecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,038</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6924-wk-Fact-59F7E10BD2A1F061D4F0F94C9CDED7B0" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_USTreasurySecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6938-wk-Fact-52E79BB3A1A051D88395F94C9CCE1CBE" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_USTreasurySecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6952-wk-Fact-CB2FF6AEDE9CA540DDD8F94C9C9F2284" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_USTreasurySecuritiesMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,038</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6978-wk-Fact-2B8BD56F3E7E48472C4DF94C9C9F8291" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">187,971</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e6992-wk-Fact-B84F468BF76018066C4AF94C9CBFDC05" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">163,358</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7006-wk-Fact-57361C0F04008990608FF94C9CBFDB70" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7021-wk-Fact-DCCCAAB0D27E21DD0939F94C9C9FBAAE" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">351,329</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation></div><ix:continuation id="TextSelection-F2101D3B79909ACCE6D2F94C9CFD1308-2" continuedAt="TextSelection-F2101D3B79909ACCE6D2F94C9CFD1308-3"><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-18EEC135B820FC53D923F94C9CFDDC30-0-wk-Footnote-18EEC135B820FC53D923F94C9CFDDC30_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" continuedAt="TextSelection-18EEC135B820FC53D923F94C9CFDDC30-1">Collective and mutual funds invest approximately </ix:footnote></span><ix:continuation id="TextSelection-18EEC135B820FC53D923F94C9CFDDC30-1" continuedAt="TextSelection-18EEC135B820FC53D923F94C9CFDDC30-2"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e7040-wk-Fact-338880005E076D0BBDAF7D23B4DC05A5" name="mdu:PercentageInvestmentInCommonStockOfInternationalCompanies" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">31</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of international companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e7044-wk-Fact-A67B731EA218214067DA7D23EC6A146C" name="mdu:PercentageInvestmentInCorporateBonds" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">28</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e7048-wk-Fact-B9BD59C47A74AE1326807D24172CECD7" name="mdu:PercentageInvestmentInCommonStockOfLargeCapUSCompanies" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">19</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e7052-wk-Fact-9A51B81BB37B040EBB197D246B1C4823" name="mdu:Percentageinvestmentincashequivalents" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">7</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in cash equivalents, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e7056-wk-Fact-85C8374F70090E8822067D24BDB55DFA" name="mdu:PercentageInvestmentinUSGovernmentSecurities" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">1</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in U.S. Government securities and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e7061-wk-Fact-DF5F8A31D23772B4D5D07D24F442E65C" name="mdu:Percentageinvestmentinotherinvestments" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">14</ix:nonFraction></span></span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:continuation id="TextSelection-18EEC135B820FC53D923F94C9CFDDC30-2">&#160;percent in other investments.</ix:continuation></span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"></td></tr><tr><td style="width:48%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value 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style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash equivalents</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7421-wk-Fact-32A0C8338D04842144F0F94C9CAF262B" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CashAndCashEquivalentsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7435-wk-Fact-40157FED53232646D6FCF94C9CAF2332" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CashAndCashEquivalentsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,347</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7449-wk-Fact-EBE1793300F4060A9852F94C9CAF619E" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CashAndCashEquivalentsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7464-wk-Fact-2136B6DDFCD3FCFF432DF94C9CAF47A5" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CashAndCashEquivalentsMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,347</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity securities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. companies</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7545-wk-Fact-76F5B91F24976F2E9440F94C9CAF030E" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">11,348</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7559-wk-Fact-1B7B3267EBB328D7FC55F94C9CAF7AC6" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7573-wk-Fact-9C4CE6597B40834C612BF94C9CAF02D5" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7587-wk-Fact-38D437B4380CB51C4336F94C9CAF3587" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">11,348</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">International companies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7608-wk-Fact-294ED51338B81B558476F94C9CAFE6DF" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,584</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7622-wk-Fact-51625AD69AD7C6F0C7E6F94C9CAFC0E9" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7636-wk-Fact-C412A2436CCDC852AF12F94C9CAF666B" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7650-wk-Fact-CFE8F261A21BCF000B71F94C9CAFB2C3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,584</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Collective and mutual funds*</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7671-wk-Fact-4CAB27B88C0D59D2AB91F94C9CAF60CD" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_CollectiveAndMutualFundsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">162,055</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7685-wk-Fact-D59D2F6050005D6A11C9F94C9CAF5B3A" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_CollectiveAndMutualFundsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">64,052</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7699-wk-Fact-5613ED7B150948AF0A53F94C9CAF1DB6" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_CollectiveAndMutualFundsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7713-wk-Fact-CF8CE53FD9B1655976B4F94C9CAFF090" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_CollectiveAndMutualFundsMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">226,107</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Corporate bonds</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7734-wk-Fact-9A7C154A8292281F77B4F94C9CAFCDF6" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CorporateDebtSecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7748-wk-Fact-E00ABDFC1F6A5B5F077CF94C9CAF200D" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CorporateDebtSecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">68,677</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7762-wk-Fact-61B244D1D88E20DED762F94C9CAFF74C" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CorporateDebtSecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7776-wk-Fact-26A07B70D22DF1029317F94C9CAF8656" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CorporateDebtSecuritiesMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">68,677</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Municipal bonds</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7797-wk-Fact-0A9D135EB7F8B6310A09F94C9CAFF5B3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_MunicipalBondsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7811-wk-Fact-88BF753002DDEDC2012DF94C9CAF7898" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_MunicipalBondsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">11,002</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7825-wk-Fact-15CBA931201E0CCC8031F94C9CAF0650" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_MunicipalBondsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7839-wk-Fact-8BE27F25B0B984F97E2BF94C9CAFA480" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_MunicipalBondsMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">11,002</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. Government securities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7861-wk-Fact-987B58A91C03AAB4C494F94C9CAF78B6" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_USTreasurySecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,352</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7875-wk-Fact-2A13A10F068C295B382DF94C9CAFC9A7" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_USTreasurySecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,044</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7889-wk-Fact-5EC8A35AE1E11449B8B6F94C9CAFBE37" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_USTreasurySecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7903-wk-Fact-C60C16845FCF38C22B97F94C9CAF5D95" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_USTreasurySecuritiesMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,396</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7929-wk-Fact-37A92778B629F1CA4FBBF94C9CAF8433" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">179,339</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7943-wk-Fact-D240F42D7ABB00AB0491F94C9CAF64C2" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">152,122</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7957-wk-Fact-FFC5BDCECAA62B7EA2E8F94C9CAFE260" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e7972-wk-Fact-5392B9A83441E941469CF94C9CAF4268" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">331,461</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-18576E2E89A06B89BAA7F94C9CFD25B3-0-wk-Footnote-18576E2E89A06B89BAA7F94C9CFD25B3_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" continuedAt="TextSelection-18576E2E89A06B89BAA7F94C9CFD25B3-1">Collective and mutual funds invest approximately </ix:footnote></span><ix:continuation id="TextSelection-18576E2E89A06B89BAA7F94C9CFD25B3-1" continuedAt="TextSelection-18576E2E89A06B89BAA7F94C9CFD25B3-2"><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e7993-wk-Fact-3539E0AA71932CEAA6FEF94C9C9F5CB0" name="mdu:PercentageInvestmentInCommonStockOfInternationalCompanies" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">29</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of international companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e7997-wk-Fact-869B57E37B93FFAEF333F94C9C90C838" name="mdu:PercentageInvestmentInCorporateBonds" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">21</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e8001-wk-Fact-E39B4FAE5CE97DEE93ADF94C9C9FC0CB" name="mdu:PercentageInvestmentInCommonStockOfLargeCapUSCompanies" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">20</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction 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unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">7</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in U.S. Government securities and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e8014-wk-Fact-22DB38B3E5C6B295E710F94C9C906645" name="mdu:Percentageinvestmentinotherinvestments" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">15</ix:nonFraction></span></span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:continuation id="TextSelection-18576E2E89A06B89BAA7F94C9CFD25B3-2">&#160;percent in other investments.</ix:continuation></span></div></td></tr></table></ix:continuation><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><ix:continuation id="TextSelection-F2101D3B79909ACCE6D2F94C9CFD1308-3" continuedAt="TextSelection-9F13F65CBB240072A275F94C9CFDAC4D-0"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair values of the Company's other postretirement benefit plans' assets are determined using the market approach.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the other postretirement benefit plans' Level&#160;2 cash equivalents is valued at the net asset value of shares held at year end, based on published market quotations on active markets, or using other known sources including pricing from outside sources. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the other 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style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">90</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-6" continuedAt="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-7"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the other postretirement benefit plans' Level&#160;2 insurance contract is based on contractual cash surrender values that are determined primarily by investments in managed separate accounts of the insurer. These amounts approximate fair value. The managed separate accounts are valued based on other observable inputs or corroborated market data.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Though the Company believes the methods used to estimate fair value are consistent with those used by other market participants, the use of other methods or assumptions could result in a different estimate of fair value. For the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, there were no transfers between Levels&#160;1 and&#160;2.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-9F13F65CBB240072A275F94C9CFDAC4D-0" continuedAt="TextSelection-9F13F65CBB240072A275F94C9CFDAC4D-1">The fair value of the Company's other postretirement benefit plans' assets (excluding cash) by asset class were as follows:</ix:continuation></span><ix:continuation id="TextSelection-9F13F65CBB240072A275F94C9CFDAC4D-1" continuedAt="TextSelection-9F13F65CBB240072A275F94C9CFDAC4D-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"></td></tr><tr><td style="width:48%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;at December&#160;31, 2017, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices<br/>in Active<br/>Markets for<br/>Identical<br/>Assets<br/>&#160;(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant<br/>Other<br/>Observable<br/>Inputs<br/>&#160;(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unobservable<br/> Inputs<br/>&#160;(Level&#160;3)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash equivalents</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8401-wk-Fact-5D3539DD0F734F4B74BBF94C9CAFBB3A" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CashAndCashEquivalentsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8415-wk-Fact-99EA181056AFDD3C17E5778AA7302284" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CashAndCashEquivalentsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,815</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8429-wk-Fact-C01CA185257C65568A82F94C9CAFDA43" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CashAndCashEquivalentsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8444-wk-Fact-A126566FFA1EA8C02EA0F94C9CAF801D" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CashAndCashEquivalentsMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,815</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity securities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. companies</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8525-wk-Fact-8D7524D48098D5323D1D778AA740D08B" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,316</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8539-wk-Fact-C173BD010BC312D2D245F94C9CAFDA00" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8553-wk-Fact-1747C05658EA21C723D3F94C9CAFE807" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8567-wk-Fact-D7AC0F2DC7CDD2CE90F4F94C9CAF9F75" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,316</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">International companies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8588-wk-Fact-2AE58778560239609ED7778AA74A55FF" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8602-wk-Fact-A7D4D61977794D8717D5F94C9CAFBE39" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8616-wk-Fact-27A5C9A76DE8005AF7EEF94C9CAFAE19" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8630-wk-Fact-715456C21BB8F26FC4D4F94C9CAF225A" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Insurance contract*</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8651-wk-Fact-D02204C1BE89FC80278C778AA738E4E3" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_InsuranceInvestmentContractMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8665-wk-Fact-1DC6C7FA561A185C46C2778AA7426255" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_InsuranceInvestmentContractMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">81,601</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8679-wk-Fact-41A8C17A2F475DB76FE0F94C9CAF986B" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_InsuranceInvestmentContractMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8693-wk-Fact-AA55BA900387104B717FF94C9CAF213B" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_InsuranceInvestmentContractMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">81,604</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8719-wk-Fact-F798CCD5E212B2F45C38F94C9CAFAAC9" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,323</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8733-wk-Fact-C78D4F28B500C22D2CB4F94C9CAF6D57" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">86,416</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8747-wk-Fact-5D77812677AFFF408FB0F94C9CAFEBAB" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e8762-wk-Fact-AF381EA15E28A6397047F94C9CAF6493" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">88,739</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation></div><ix:continuation id="TextSelection-9F13F65CBB240072A275F94C9CFDAC4D-2" continuedAt="TextSelection-9F13F65CBB240072A275F94C9CFDAC4D-3"><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-0CB4475FE00071C8D1E2F94C9CFDBCB0-0-wk-Footnote-0CB4475FE00071C8D1E2F94C9CFDBCB0_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" continuedAt="TextSelection-0CB4475FE00071C8D1E2F94C9CFDBCB0-1">The insurance contract invests approximately </ix:footnote></span><ix:continuation id="TextSelection-0CB4475FE00071C8D1E2F94C9CFDBCB0-1" continuedAt="TextSelection-0CB4475FE00071C8D1E2F94C9CFDBCB0-2"><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e8783-wk-Fact-B5D73F640B709477FEE57D2606A868EE" name="mdu:PercentageInvestmentInCorporateBonds" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">38</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade 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contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">21</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in U.S. Government securities, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e8795-wk-Fact-693931C82CE75B287B957D26AF90A1E4" name="mdu:PercentageInvestmentInMortgageBackedSecurities" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">9</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in mortgage-backed securities and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e8799-wk-Fact-21CAACEB74F085AE2E737D271CFE627E" name="mdu:Percentageinvestmentinotherinvestments" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">9</ix:nonFraction></span></span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:continuation id="TextSelection-0CB4475FE00071C8D1E2F94C9CFDBCB0-2">&#160;percent in other investments.</ix:continuation></span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:10px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"></td></tr><tr><td style="width:48%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;at December&#160;31, 2016, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices<br/>in Active<br/>Markets for<br/>Identical<br/>Assets<br/>&#160;(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant<br/>Other<br/>Observable<br/>Inputs<br/>&#160;(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" 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Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash equivalents</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9133-wk-Fact-3D7A83B323FFC0930C66F94C9CDE6456" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CashAndCashEquivalentsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9147-wk-Fact-18987B18FD84E471C646F94C9CDEA1CB" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CashAndCashEquivalentsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">250</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9161-wk-Fact-7765C5294A4F56DBBA56F94C9CDE13E7" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CashAndCashEquivalentsMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9176-wk-Fact-6EBF2C3C618701A8F4B3F94C9CDE7C2C" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_CashAndCashEquivalentsMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">250</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity securities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. companies</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9257-wk-Fact-6A52A86A90EDFB72C4F6F94C9CDE6428" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,328</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9271-wk-Fact-679AA19B09ECB09DA9A8F94C9CDE3F46" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9285-wk-Fact-D8E253C802EDFB9E1369F94C9CDE60EE" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9299-wk-Fact-EB7B0B91E6B2951D7CA7F94C9CDEA34F" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitySecuritiesOfUSCompaniesMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,328</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">International companies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9320-wk-Fact-403C0A66CFA07AA54B4CF94C9CDEAD8C" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9334-wk-Fact-EFD7603B8A42B5EEEC89F94C9CDEB240" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9348-wk-Fact-BFA9D391309A6E00ACA2F94C9CDE94BC" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9362-wk-Fact-B9E5AB0F1F06891AEC68F94C9CDE6422" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_EquitiesSecuritiesOfInternationalCompaniesMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Insurance contract*</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9383-wk-Fact-B71FD86116BAAC8B3CB9F94C9CDEC291" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_InsuranceInvestmentContractMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9397-wk-Fact-22C877A78BD5B1400484F94C9CDE015D" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_InsuranceInvestmentContractMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">80,263</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9411-wk-Fact-3CB7BC1FFD70F1095345F94C9CDED217" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_InsuranceInvestmentContractMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9425-wk-Fact-F1DF95E4D354146F8CBCF94C9CDE8997" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_InsuranceInvestmentContractMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">80,263</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9451-wk-Fact-87A4D2509763E77532BFF94C9CDE49CD" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,333</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9465-wk-Fact-4B8306AFBB72AEC0568BF94C9CDE26E4" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">80,513</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9479-wk-Fact-0E0B7D06F6CB6AC744D6F94C9CDE6E38" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9494-wk-Fact-2D2B43B3DDF04894F4C1F94C9CDE845B" name="us-gaap:DefinedBenefitPlanFairValueOfPlanAssets" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_TotalAssetsMeasuredatFairValueMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">82,846</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-59DC81E909ED6BEB77ABF94C9CFD729B-0-wk-Footnote-59DC81E909ED6BEB77ABF94C9CFD729B_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" continuedAt="TextSelection-59DC81E909ED6BEB77ABF94C9CFD729B-1">The insurance contract invests approximately </ix:footnote></span><ix:continuation id="TextSelection-59DC81E909ED6BEB77ABF94C9CFD729B-1" continuedAt="TextSelection-59DC81E909ED6BEB77ABF94C9CFD729B-2"><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e9514-wk-Fact-F0820FC4421F6A7460DEF94C9C9F0F61" name="mdu:PercentageInvestmentInCorporateBonds" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">38</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e9518-wk-Fact-12F0A64A713F6546B949F94C9C9F38C6" name="mdu:PercentageInvestmentInCommonStockOfLargeCapUSCompanies" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">25</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e9522-wk-Fact-D6C097A48251A65A6FBFF94C9CAF755D" name="mdu:PercentageInvestmentinUSGovernmentSecurities" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">20</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in U.S. Government securities, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e9526-wk-Fact-73A47A391365ECEDDAFCF94C9C90EB86" name="mdu:PercentageInvestmentInMortgageBackedSecurities" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">9</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in mortgage-backed securities and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e9530-wk-Fact-BF8CD5554B4CB359B022F94C9CAFA52D" name="mdu:Percentageinvestmentinotherinvestments" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">8</ix:nonFraction></span></span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:continuation id="TextSelection-59DC81E909ED6BEB77ABF94C9CFD729B-2">&#160;percent in other investments.</ix:continuation></span></div></td></tr></table></ix:continuation><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><ix:continuation id="TextSelection-9F13F65CBB240072A275F94C9CFDAC4D-3"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company expects to contribute approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e9565-wk-Fact-4AFC53437070200CD1A1F94C9CCE0F00" name="us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">17.7</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to its defined benefit pension plans and approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e9569-wk-Fact-3346E6D2A53788D05B8A7D288BC99350" name="us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">800,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to its postretirement benefit plans in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">91</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-7" continuedAt="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-8"><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfExpectedBenefitPaymentsTableTextBlock" id="TextSelection-1A0F5529D22E61830681F94C9CFD9D99-0-wk-Fact-7079E442CDB713A72E32F94C9C905CA3" continuedAt="TextSelection-1A0F5529D22E61830681F94C9CFD9D99-1" escape="true">The following benefit payments, which reflect future service, as appropriate, and expected Medicare Part&#160;D subsidies are as follows:</ix:nonNumeric></span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><ix:continuation id="TextSelection-1A0F5529D22E61830681F94C9CFD9D99-1"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:515px;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:248px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td><td style="width:9px;"></td><td style="width:76px;"></td><td style="width:3px;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Benefits</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Postretirement Benefits</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Expected</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Medicare</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Part&#160;D&#160;Subsidy</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9728-wk-Fact-78622F95CA64192356A5778ACF7F5BF1" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">25,111</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9742-wk-Fact-06140E7BF6F9C07C5CE9778ACF7DE297" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,490</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9756-wk-Fact-0D18763239E5AEEF7F3C778ACF86D9E7" name="us-gaap:PrescriptionDrugSubsidyReceiptsNextTwelveMonths" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">152</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2019</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9771-wk-Fact-6ED04710E1B54FBDBBDD778ACF8311CE" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">25,280</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9785-wk-Fact-F9A55CF8F0ED6FEBA484778ACF75BA49" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,525</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9799-wk-Fact-6355B6FE0895CD350CC6778ACF6EFC20" name="us-gaap:PrescriptionDrugSubsidyReceiptsYearTwo1" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">147</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2020</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9819-wk-Fact-BEC4DAF23B110689D373778ACF66E9B3" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">25,587</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9833-wk-Fact-F4F094E68312BA3B21B9778ACF7171E0" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,396</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9847-wk-Fact-2392C5A8D004DB5C8E5B778ACF6BF9B7" name="us-gaap:PrescriptionDrugSubsidyReceiptsYearThree1" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">141</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2021</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9867-wk-Fact-C0805867A8E8EECBBA94778ACF72F0C2" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">25,866</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9881-wk-Fact-E0F32B9D16F064159F90778ACF7B5020" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,391</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9895-wk-Fact-970AD654FBBB2FD7A30C778ACF7A4D43" name="us-gaap:PrescriptionDrugSubsidyReceiptsYearFour1" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">132</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2022</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9915-wk-Fact-8DCD95085DBBE709BD2B778ACF789B11" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">26,185</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9929-wk-Fact-794832809C2D90B039C1778ACF760EAE" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,470</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9943-wk-Fact-B26C57D91044ADAE3BC6778ACF856BFA" name="us-gaap:PrescriptionDrugSubsidyReceiptsYearFive1" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">123</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2023 - 2027</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9963-wk-Fact-9D17B8E82CE26BA57F81778ACF88FBC0" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">130,994</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9977-wk-Fact-23164D2EE346C0A6BC4D778ACF682C8A" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">27,106</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8105146e9991-wk-Fact-A300EF661819F2BA97C6778ACF819738" name="us-gaap:PrescriptionDrugSubsidyReceiptsAfterYearFive" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">454</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Nonqualified benefit plans</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In addition to the qualified defined pension benefit plans reflected in the table at the beginning of this note, the Company also has unfunded, nonqualified benefit plans for executive officers and certain key management employees that generally provide for defined benefit payments at age&#160;65 following the employee's retirement or, upon death, to their beneficiaries for a 15-year period. In February 2016, the Company froze the unfunded, nonqualified defined benefit plans to new participants and eliminated benefit increases. Vesting for participants not fully vested was retained. The Company's net periodic benefit cost for these plans was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10016-wk-Fact-7F7F25391CCD66C42E717D2C82B54950" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">4.7</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8105146e10020-wk-Fact-AA36944655E5894AC7BFF94C9CDE7957" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">1.8</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8105146e10024-wk-Fact-73080051180C39FCCFE6F94C9CAF2F46" name="us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">7.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, which reflects a curtailment gain of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10041-wk-Fact-EA1A0269814EEA19ED41F94C9CCEF833" name="us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments" contextRef="FD2016Q1YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">3.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in the first quarter of 2016 . The total projected benefit obligation for these plans was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10045-wk-Fact-AB93AE6E74EB2438598B7D2D486B4DCC" name="us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">102.5</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8105146e10049-wk-Fact-C55F2F26591E5C34FC03F94C9CDE5E69" name="us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">101.8</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. The accumulated benefit obligation for these plans was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10062-wk-Fact-6FE369CEFFA8BC5FD86D7D2DBDE34C6C" name="us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">102.5</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8105146e10066-wk-Fact-6987D1908D7674103C34F94C9CCE2A64" name="us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">101.8</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. A weighted average discount rate of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e10078-wk-Fact-A130B1A862AF79B9288E7D2E54052672" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">3.20</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e10083-wk-Fact-A978C67B8B5CE30DEC217D2E54083C21" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">3.56</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, was used to determine the benefit obligation.&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e10095-wk-Fact-2D1A4527EC98CCCE331BF94C9C903F40" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="number" decimals="INF" scale="-2" format="ixt-sec:numwordsen">No</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> rate of compensation increase was used to determine the benefit obligation at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, due to the plans being froze. A discount rate of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8105146e10108-wk-Fact-191FCAB9378B096888EC9C6DED45DF4D" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">3.56</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span><ix:nonFraction id="d8105146e10112-wk-Fact-0DF6DC171F153E8C68BBF94C9C90B0A2" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">3.77</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, and a rate of compensation increase of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span><ix:nonFraction id="d8105146e10124-wk-Fact-96BE6C2A770D2AD58A83F94C9CAF5C8F" name="us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">4.00</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent for the year ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> was used to determine net periodic benefit cost.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The amount of benefit payments for the unfunded, nonqualified benefit plans are expected to aggregate </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10136-wk-Fact-91E3FD80AFBC4DDDC09A7D3263821B6A" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">7.1</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10144-wk-Fact-7B094E56C3BF16EBFEB37D32CFA169AB" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">7.3</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2019</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10152-wk-Fact-91EC9955F22E48102DD17D3302F7865A" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">7.7</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2020</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10161-wk-Fact-216434E0898937797C997D332FBA7EC1" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">7.7</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2021</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10169-wk-Fact-13D6F4B0A004723176C47D335964424C" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">7.0</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2022</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10177-wk-Fact-2A4979C70221EFD844847D338F998A85" name="us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">37.0</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for the years 2023 through 2027.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In 2012, the Company established a nonqualified defined contribution plan for certain key management employees. Expenses incurred under this plan for </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10197-wk-Fact-A3A597FACAD6583ED610F94C9CCE6EFC" name="us-gaap:DefinedContributionPlanCostRecognized" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">736,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8105146e10201-wk-Fact-B290C280A9428718846EF94C9C9F2342" name="us-gaap:DefinedContributionPlanCostRecognized" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">395,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10206-wk-Fact-0B4DA703836E08F3132CF94C9CDE7B4B" name="us-gaap:DefinedContributionPlanCostRecognized" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_NonqualifiedPlanMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">207,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company had investments of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10213-wk-Fact-AC7D02A4FFA3CE53CE7BF94C9CDE95E8" name="mdu:InvestmentsInNonqualifiedBenefitPlans" contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">122.9</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10217-wk-Fact-9DC4CF3D261153E5E257F94C9CAF082B" name="mdu:InvestmentsInNonqualifiedBenefitPlans" contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">111.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, consisting of equity securities of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10229-wk-Fact-B54528E49707A48ED7A0F94C9CAF90EE" name="mdu:InvestmentsInNonqualifiedBenefitPlans" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_EquitySecuritiesMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">68.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10234-wk-Fact-35E016FAA441E26BB909F94C9CDE396F" name="mdu:InvestmentsInNonqualifiedBenefitPlans" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_EquitySecuritiesMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">62.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, life insurance carried on plan participants (payable upon the employee's death) of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10238-wk-Fact-E9386E4A83EFB28C0C92F94C9C908BC1" name="mdu:InvestmentsInNonqualifiedBenefitPlans" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_LifeInsuranceCarriedOnPlanParticipantsMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">36.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10242-wk-Fact-0AAE2952ED5059653EA2F94C9C90323F" name="mdu:InvestmentsInNonqualifiedBenefitPlans" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_mdu_LifeInsuranceCarriedOnPlanParticipantsMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">35.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, and other investments of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10246-wk-Fact-0022F62924A2F34A09C0F94C9C903E7F" name="mdu:InvestmentsInNonqualifiedBenefitPlans" contextRef="FI2017Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_OtherInvestmentsMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">18.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10250-wk-Fact-F90AC2A4632FC4488378F94C9CDE0750" name="mdu:InvestmentsInNonqualifiedBenefitPlans" contextRef="FI2016Q4_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis_us-gaap_OtherInvestmentsMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">13.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. The Company anticipates using these investments to satisfy obligations under these plans.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Defined contribution plans</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company sponsors various defined contribution plans for eligible employees and the costs incurred under these plans were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e10261-wk-Fact-E93C05183B4500633949BF0424210B34" name="us-gaap:DefinedContributionPlanCostRecognized" contextRef="FD2017Q4YTD_us-gaap_RetirementPlanNameAxis_mdu_DefinedContributionPlanMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">41.2</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8105146e10269-wk-Fact-845994D49AA755467470F94C9CDEF84D" name="us-gaap:DefinedContributionPlanCostRecognized" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanNameAxis_mdu_DefinedContributionPlanMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">40.9</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8105146e10277-wk-Fact-89F0C04EB37177F60868F94C9C9F0F37" name="us-gaap:DefinedContributionPlanCostRecognized" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanNameAxis_mdu_DefinedContributionPlanMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">36.8</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Multiemployer plans</span></div><div style="line-height:140%;padding-bottom:12px;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company contributes to a number of multiemployer defined benefit pension plans under the terms of collective-bargaining agreements that cover its union-represented employees. The risks of participating in these multiemployer plans are different from single-employer plans in the following aspects:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;padding-bottom:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Assets contributed to the MEPP by one employer may be used to provide benefits to employees of other participating employers</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">If a participating employer stops contributing to the plan, the unfunded obligations of the plan may be borne by the remaining participating employers</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">If the Company chooses to stop participating in some of its MEPPs, the Company may be required to pay those plans an amount based on the underfunded status of the plan, referred to as a withdrawal liability</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's participation in these plans is outlined in the following table. Unless otherwise noted, the most recent Pension Protection Act zone status available in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> is for the plan's year-end at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. The zone status is based on information that the Company received from the plan and is certified by the plan's actuary. 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unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">80</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent funded.</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">92</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-8" continuedAt="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-9"><div style="line-height:140%;padding-top:0px;font-size:10pt;"><ix:nonNumeric 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style="width:13%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">EIN/Pension Plan&#160;Number</span></div></td><td colspan="4" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension Protection&#160;Act Zone&#160;Status</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">FIP/RP Status Pending/Implemented</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Contributions</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Surcharge Imposed</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Expiration Date</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">of&#160;Collective</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Bargaining</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Agreement</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension&#160;Fund</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Alaska Laborers-Employers Retirement Fund</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">91-6028298-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Yellow as of 6/30/2017</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Yellow as of 6/30/2016</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e10704-wk-Fact-B0D0E282CC82615DD08CF94C9CBFE28E" name="us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_AlaskaLaborersEmployersRetirementFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">Implemented</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e10714-wk-Fact-425A918B977CF7DB4015F94C9CBF22B3" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_AlaskaLaborersEmployersRetirementFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">690</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e10729-wk-Fact-028B5E4F41A76C1EDE6CF94C9CBF9099" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_AlaskaLaborersEmployersRetirementFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">766</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e10743-wk-Fact-94A6D5A63C7EA47CBA65F94C9CBF3CAF" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_AlaskaLaborersEmployersRetirementFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">917</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e10752-wk-Fact-08990340B53975D75E6CF94C9CBFD95E" name="us-gaap:MultiemployerPlansSurcharge" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_AlaskaLaborersEmployersRetirementFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e10757-wk-Fact-20818343BFDFFEA225B4F94C9C90C658" name="us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_AlaskaLaborersEmployersRetirementFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" format="ixt:datemonthdayyear">12/31/2018</ix:nonNumeric></span></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Edison Pension Plan</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">93-6061681-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e10793-wk-Fact-2BE79312C3AD416D22ACF94C9CBFD4DA" name="us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_EdisonPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e10798-wk-Fact-8DE76719D31A01E56E4DF94C9CBF9542" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_EdisonPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">12,725</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e10812-wk-Fact-D7754EB0293D7AD482B8F94C9C90EC3C" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_EdisonPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,242</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e10827-wk-Fact-347D53992ACD7E780250F94C9CBF22AB" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_EdisonPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,517</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e10841-wk-Fact-2A7102D1063138CE16D7F94C9CBFD419" name="us-gaap:MultiemployerPlansSurcharge" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_EdisonPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e10846-wk-Fact-34F99AF6DCDB95B31BC3F94C9C90C2A0" name="us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_EdisonPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" format="ixt:datemonthdayyear">6/30/2019</ix:nonNumeric></span></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">IBEW Local No. 82 Pension Plan</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">31-6127268-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 6/30/2017</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 6/30/2016</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e10882-wk-Fact-42731C020EAE80E2F687F94C9CBFF3CA" name="us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocalNo82PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e10887-wk-Fact-8B552BC6F5022867E2A0F94C9C909BBE" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocalNo82PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,757</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e10901-wk-Fact-C9DD649B2BCEE9AAEE0DF94C9CBF8EA9" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocalNo82PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,560</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e10916-wk-Fact-D5B85A1D3B51FE0C01BEF94C9CBF29D2" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocalNo82PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,252</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e10930-wk-Fact-7F5596851244CACEC7CCF94C9CBF7F91" name="us-gaap:MultiemployerPlansSurcharge" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocalNo82PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e10935-wk-Fact-F7E96C19A9A5521A0400F94C9C9075D3" name="us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocalNo82PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" format="ixt:datemonthdayyear">12/1/2019</ix:nonNumeric></span></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">IBEW Local 212 Pension Trust Fund</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">31-6127280-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 4/30/2016</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Yellow as of 4/30/2015</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e10971-wk-Fact-2A0637304AB206E148B6F94C9C907D46" name="us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_LocalUnion212IbewPensionTrustFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e10976-wk-Fact-F62F7F9D737F89619FAAF94C9C90BE0A" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_LocalUnion212IbewPensionTrustFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,312</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e10990-wk-Fact-4ACF59C5C1CBB8EDA087F94C9CBF9BC1" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_LocalUnion212IbewPensionTrustFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,146</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11005-wk-Fact-9C8DAFF8D70DCAB0F39CF94C9CBF6782" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_LocalUnion212IbewPensionTrustFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">937</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11019-wk-Fact-CDBDD6C0C81526C8D718F94C9C90DE9C" name="us-gaap:MultiemployerPlansSurcharge" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_LocalUnion212IbewPensionTrustFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11024-wk-Fact-7E549AA36BD5B534D9E3F94C9CBF7597" name="us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_LocalUnion212IbewPensionTrustFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" format="ixt:datemonthdayyear">6/2/2019</ix:nonNumeric></span></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">IBEW Local No. 357 Pension Plan A</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">88-6023284-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11060-wk-Fact-063EE601C73AE21F26BCF94C9CBFDD2D" name="us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IBEWLocalNo.357PensionPlanAMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e11065-wk-Fact-9DA5F1C6A89C9E50FAC9F94C9CCE7040" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IBEWLocalNo.357PensionPlanAMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,286</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11079-wk-Fact-8664ECC4E64C0567404DF94C9CBFF656" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IBEWLocalNo.357PensionPlanAMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,016</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11094-wk-Fact-E26068A10F11E103A7BDF94C9CBFA24A" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IBEWLocalNo.357PensionPlanAMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,896</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11108-wk-Fact-DD42109CB64DB1533FDFF94C9CBF3BDC" name="us-gaap:MultiemployerPlansSurcharge" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IBEWLocalNo.357PensionPlanAMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11113-wk-Fact-71266E8E84A7CC6E19A2F94C9CCECBEB" name="us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IBEWLocalNo.357PensionPlanAMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" format="ixt:datemonthdayyear">5/31/2018</ix:nonNumeric></span></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">IBEW Local 648 Pension Plan</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">31-6134845-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red as of 2/28/2017</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red as of 2/29/2016</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11149-wk-Fact-B2A48FD3D12C3BBB610DF94C9CBF446F" name="us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocal648PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">Implemented</ix:nonNumeric></span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e11154-wk-Fact-7B3CEF291B8A2DE7127FF94C9CBF7499" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocal648PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,254</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11168-wk-Fact-75E74950CEF737D4D9CAF94C9CBF88C4" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocal648PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">773</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11183-wk-Fact-E550C2636E00CEF253A5F94C9CBF1301" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocal648PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">745</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11197-wk-Fact-271AF49942EB0EAD2569F94C9CBFDD7C" name="us-gaap:MultiemployerPlansSurcharge" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocal648PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11202-wk-Fact-D57E88EFCA5C5D685D17F94C9CBF1151" name="us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocal648PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" format="ixt:datemonthdayyear">9/2/2018</ix:nonNumeric></span></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Idaho Plumbers and Pipefitters Pension Plan</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">82-6010346-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 5/31/2017</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 5/31/2016</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11238-wk-Fact-5C19F414FB5E3A085DA1F94C9CBFC315" name="us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IdahoPlumbersandPipefittersPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e11243-wk-Fact-D6543F368E2D2E8316D6F94C9CBFCB81" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IdahoPlumbersandPipefittersPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,156</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11257-wk-Fact-90AC10EC17A92D71BF25F94C9CBF51DF" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IdahoPlumbersandPipefittersPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,221</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11272-wk-Fact-93BD35740CCC70B951E6F94C9C9078AB" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IdahoPlumbersandPipefittersPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,169</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11286-wk-Fact-920486ECC291E127B353F94C9CBFC5C3" name="us-gaap:MultiemployerPlansSurcharge" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IdahoPlumbersandPipefittersPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11291-wk-Fact-868483ECFD8B822894DAF94C9C90504F" name="us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IdahoPlumbersandPipefittersPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" format="ixt:datemonthdayyear">9/30/2019</ix:nonNumeric></span></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Minnesota Teamsters Construction Division Pension Fund</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">41-6187751-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 11/30/2016</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 11/30/2015</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11327-wk-Fact-85879B2E774BAF8A1F437D4B9EB79A53" name="us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e11332-wk-Fact-2D325AF344C4CCE9461C7D4BA054C27F" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">826</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11346-wk-Fact-B86397459ED9D069AC107D4BA1FD2D3A" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">690</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11361-wk-Fact-8E7E25A4FD2BF02EDC4A7D4BA39645B5" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">737</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11375-wk-Fact-05AC38509C4AB1179EA07D4BA5436485" name="us-gaap:MultiemployerPlansSurcharge" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11380-wk-Fact-F0B82EDDBA7488F3EEDE7D4BA6DDE32E" name="us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" format="ixt:datemonthdayyear">4/30/2019</ix:nonNumeric></span></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">National Automatic Sprinkler Industry Pension Fund</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">52-6054620-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11417-wk-Fact-17513A168049F8450FCEF94C9CBFBFE8" name="us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalAutomaticSprinklerIndustryPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">Implemented</ix:nonNumeric></span></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e11422-wk-Fact-88CCAD5C2256474F4C32F94C9C90500D" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalAutomaticSprinklerIndustryPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">718</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11436-wk-Fact-67CB1186D91787BD4B5AF94C9CBF00D6" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalAutomaticSprinklerIndustryPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">775</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11451-wk-Fact-8B3313937670107C2D64F94C9CBF72CC" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalAutomaticSprinklerIndustryPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">677</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11465-wk-Fact-5A823FCD7643428AAA9AF94C9CBFE630" name="us-gaap:MultiemployerPlansSurcharge" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalAutomaticSprinklerIndustryPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">7/31/2018-<br/>3/31/2021</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">National Electrical Benefit Fund</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">53-0181657-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11506-wk-Fact-41AAD7B43A9E2E300971F94C9CBF7013" name="us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalElectricalBenefitFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e11511-wk-Fact-A2AD05EB72E6CF87CC58F94C9CBF7B79" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalElectricalBenefitFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">8,891</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11525-wk-Fact-AD6FF46EA77D4EF16C79F94C9CBF6785" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalElectricalBenefitFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,366</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11540-wk-Fact-C144D8C4C8EB9A6E37A8F94C9CBF1F6C" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalElectricalBenefitFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,271</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11554-wk-Fact-64F16E6B23FA64DA044CF94C9CBF74B0" name="us-gaap:MultiemployerPlansSurcharge" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalElectricalBenefitFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">10/31/2017-<br/>3/31/2021</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Sheet Metal Workers' Pension Plan of Southern CA, AZ and NV</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">95-6052257-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Yellow</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11595-wk-Fact-0A1FF94A23D261B990A6F94C9CBF86CA" name="us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SheetMetalWorkersPensionPlanofSouthernCAAZandNVMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">Implemented</ix:nonNumeric></span></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e11600-wk-Fact-81846A0E48F26B88C696F94C9CBF4640" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SheetMetalWorkersPensionPlanofSouthernCAAZandNVMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,016</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11614-wk-Fact-3D10A69FF78694DF2B16F94C9CBFD236" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SheetMetalWorkersPensionPlanofSouthernCAAZandNVMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,087</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11629-wk-Fact-719F799A5C11FC3B33D9F94C9CBF0B82" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SheetMetalWorkersPensionPlanofSouthernCAAZandNVMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">714</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11643-wk-Fact-D0D9149DD4C7C308F187F94C9C90B16E" name="us-gaap:MultiemployerPlansSurcharge" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SheetMetalWorkersPensionPlanofSouthernCAAZandNVMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11648-wk-Fact-E178F21B4D23FF6C95E4F94C9CBF7E01" name="us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SheetMetalWorkersPensionPlanofSouthernCAAZandNVMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" format="ixt:datemonthdayyear">6/30/2018</ix:nonNumeric></span></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Southwest Marine Pension Trust</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">95-6123404-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11684-wk-Fact-99E7A73474592507DC39F94C9CBF24A2" name="us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SouthwestMarinePensionTrustMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">Implemented</ix:nonNumeric></span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e11689-wk-Fact-C4199CAF55D98E56D39FF94C9C906AFC" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SouthwestMarinePensionTrustMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">48</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11703-wk-Fact-3D2CBE8E7B0AC10D8FA7F94C9CBF65CC" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SouthwestMarinePensionTrustMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">50</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11718-wk-Fact-766FF98F08D647DBBA35F94C9CBF3626" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SouthwestMarinePensionTrustMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">26</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11732-wk-Fact-ABFD2B910D53823CDF72F94C9CBF0C71" name="us-gaap:MultiemployerPlansSurcharge" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SouthwestMarinePensionTrustMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember">No</ix:nonNumeric></span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonNumeric id="d8105146e11737-wk-Fact-E9B5F6F96B3FFD117202F94C9CBFF853" name="us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SouthwestMarinePensionTrustMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" format="ixt:datemonthdayyear">1/31/2019</ix:nonNumeric></span></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other funds</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e11778-wk-Fact-B8185B0DC9E77B2A1025F94C9C905902" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_us-gaap_MultiemployerPlanIndividuallyInsignificantMultiemployerPlansMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">22,066</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11792-wk-Fact-FB99425E99D9988280DAF94C9CBF99CE" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_us-gaap_MultiemployerPlanIndividuallyInsignificantMultiemployerPlansMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">19,835</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11807-wk-Fact-9EB1A7A7180F242E768DF94C9C901CC8" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_us-gaap_MultiemployerPlanIndividuallyInsignificantMultiemployerPlansMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">18,254</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Total contributions</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span><ix:nonFraction id="d8105146e11872-wk-Fact-1907AF78DD0A49BA1E93F94C9CBF154C" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">56,745</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11887-wk-Fact-2A88DFA891434F1F3B89F94C9C90B9D5" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">44,527</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span><ix:nonFraction id="d8105146e11901-wk-Fact-2F4D72AFCB6ABA57A6FEF94C9CBFFEC9" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">39,112</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></ix:nonNumeric></div><ix:continuation id="TextSelection-CAC010C29F3357A0489DF94C9CFDCC23-1" continuedAt="TextSelection-CAC010C29F3357A0489DF94C9CFDCC23-2"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company was listed in the plans' Forms&#160;5500 as providing more than 5&#160;percent of the total contributions for the following plans and plan years:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:695px;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:416px;"></td><td style="width:278px;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">Pension Fund</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">Year Contributions to Plan Exceeded More Than 5 Percent</span></div><div style="text-align:right;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">of Total Contributions (as of December&#160;31 of the Plan's Year-End)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Edison Pension Plan</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">IBEW Local 82 Pension Plan</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">IBEW Local 124 Pension Trust Fund</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">IBEW Local 212 Pension Trust Fund</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">IBEW Local 357 Pension Plan A</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">IBEW Local 648 Pension Plan</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Idaho Plumbers and Pipefitters Pension Plan</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">International Union of Operating Engineers Local 701 Pension Trust Fund</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Minnesota Teamsters Construction Division Pension Fund</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pension and Retirement Plan of Plumbers and Pipefitters Local 525</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></ix:continuation><div style="line-height:140%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-CAC010C29F3357A0489DF94C9CFDCC23-2"></ix:continuation>On September&#160;24, 2014, Knife River provided notice to the Operating Engineers Local 800 &amp; WY Contractors Association, Inc. Pension Plan for Wyoming that it was withdrawing from the plan effective October&#160;26, 2014. In the fourth quarter of 2016, Knife River and the plan entered into a settlement agreement whereby the plan administrator assessed Knife River&#8217;s final withdrawal liability with quarterly payments of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e12075-wk-Fact-120D8D80C316A0958A1BF94C9CCEA365" name="mdu:MultiemployerDiscountedFutureQuarterlyPayments" contextRef="FI2016Q4_us-gaap_LossContingenciesByNatureOfContingencyAxis_us-gaap_WithdrawalFromMultiemployerDefinedBenefitPlanMember_us-gaap_MultiemployerPlanNameAxis_mdu_OperatingEngineersLocal800AndWyContractorsAssociationPensionPlanForWyMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">42,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> until all benefits are satisfied. Knife River discounted the expected future payments. Based on this calculation, Knife River adjusted its liability accrual from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e12079-wk-Fact-83D9941F4CCAA1827929F94C9C8005B5" name="mdu:MultiemployerWithdrawalLiabilityPriorAccrual" contextRef="FI2016Q4_us-gaap_LossContingenciesByNatureOfContingencyAxis_us-gaap_WithdrawalFromMultiemployerDefinedBenefitPlanMember_us-gaap_MultiemployerPlanNameAxis_mdu_OperatingEngineersLocal800AndWyContractorsAssociationPensionPlanForWyMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">16.4</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e12083-wk-Fact-0AA8663AD098C4BD50AAF94C9CCEE67C" name="us-gaap:MultiemployerPlansWithdrawalObligation" contextRef="FI2016Q4_us-gaap_LossContingenciesByNatureOfContingencyAxis_us-gaap_WithdrawalFromMultiemployerDefinedBenefitPlanMember_us-gaap_MultiemployerPlanNameAxis_mdu_OperatingEngineersLocal800AndWyContractorsAssociationPensionPlanForWyMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">5.2</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in the fourth quarter of 2016.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company also contributes to a number of multiemployer other postretirement plans under the terms of collective-bargaining agreements that cover its union-represented employees. These plans provide benefits such as health insurance, disability insurance and life insurance to retired union employees. Many of the multiemployer other postretirement plans are combined with active multiemployer health and welfare plans. The Company's total contributions to its multiemployer other postretirement plans, which also includes contributions to active </span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">93</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-9" continuedAt="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-10"><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">multiemployer health and welfare plans, were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8105146e12094-wk-Fact-899F75F9784F7CDDECCCF94C9CAF9962" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPostretirementBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">51.7</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8105146e12098-wk-Fact-F79CD5AC97D380DF6E8CF94C9CAF58AB" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPostretirementBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">36.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8105146e12102-wk-Fact-D9DCA3F5A00FB9FBF0B8F94C9C9F3D0B" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPostretirementBenefitMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">31.4</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div></ix:continuation><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><ix:continuation id="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-10" continuedAt="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-11"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Amounts contributed in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade 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Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8105146e12138-wk-Fact-B38E7127CFD8CD27CF51F94C9C90056E" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2016Q4YTD_us-gaap_RetirementPlanNameAxis_mdu_MultiemployerPlansDefinedContributionMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">23.8</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8105146e12143-wk-Fact-6479370688A0925CC693F94C9C90A5C6" name="us-gaap:MultiemployerPlanContributionsByEmployer" contextRef="FD2015Q4YTD_us-gaap_RetirementPlanNameAxis_mdu_MultiemployerPlansDefinedContributionMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">19.5</ix:nonFraction>&#160;million</span></span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-11">, respectively.</ix:continuation></span></div><div><a id="s21B0B57F4638552EA1C707872ED530C6"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">15</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> - <ix:nonNumeric contextRef="FD2017Q4YTD" name="mdu:PublicUtilitiesJointlyOwnedFacilitiesDisclosureTextBlock" id="TextSelection-38BDBC2E55761697502DF94C9CFDA3CF-0-wk-Fact-000D74580B00D48FDB08F94C9C90EA22" continuedAt="TextSelection-38BDBC2E55761697502DF94C9CFDA3CF-1" escape="true">Jointly Owned Facilities</ix:nonNumeric></span></div><ix:continuation id="TextSelection-38BDBC2E55761697502DF94C9CFDA3CF-1" continuedAt="TextSelection-38BDBC2E55761697502DF94C9CFDA3CF-2"><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The consolidated financial statements include the Company's ownership interests in the assets, liabilities and expenses of the Big Stone Station, Coyote Station and Wygen&#160;III. Each owner of the stations is responsible for financing its investment in the jointly owned facilities.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's share of the stations operating expenses was reflected in the appropriate categories of operating expenses (fuel, operation and maintenance and taxes, other than income) in the Consolidated Statements of Income.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfJointlyOwnedUtilityPlantsTextBlock" id="TextSelection-CD49E3971F77078AFCFCF94C9CFDA7FC-0-wk-Fact-340FFEFAE384DC037416F94C9CCEEB2B" continuedAt="TextSelection-CD49E3971F77078AFCFCF94C9CFDA7FC-1" escape="true">At December&#160;31, the Company's share of the cost of utility plant in service and related accumulated depreciation for the stations was as follows:</ix:nonNumeric></span></div></ix:continuation><div style="line-height:140%;padding-top:0px;font-size:10pt;"><ix:continuation id="TextSelection-CD49E3971F77078AFCFCF94C9CFDA7FC-1"><ix:continuation id="TextSelection-38BDBC2E55761697502DF94C9CFDA3CF-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"></td></tr><tr><td style="width:66%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:15%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Big Stone Station:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Utility plant in service</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8049237e1316-wk-Fact-7E8F409ADEB640E5BBA1F94C9CCEE627" name="us-gaap:JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService" contextRef="FI2017Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_BigStoneStationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">158,084</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8049237e1330-wk-Fact-F6F76334581552FEF74CF94C9CCEE88A" name="us-gaap:JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService" contextRef="FI2016Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_BigStoneStationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">157,144</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8049237e1345-wk-Fact-69D0A297D079B349D9A7F94C9C9FE829" name="us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation" contextRef="FI2017Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_BigStoneStationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">51,740</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8049237e1359-wk-Fact-899AFBF627646B0E3D08F94C9CCE9A0F" name="us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation" contextRef="FI2016Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_BigStoneStationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">49,568</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8049237e1384-wk-Fact-4F90045723ABD9025DF1F94C9CCE5DA7" name="us-gaap:JointlyOwnedUtilityPlantNetOwnershipAmount" contextRef="FI2017Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_BigStoneStationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">106,344</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8049237e1398-wk-Fact-8EA68FF1148FEFE254DAF94C9CCE93E6" name="us-gaap:JointlyOwnedUtilityPlantNetOwnershipAmount" contextRef="FI2016Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_BigStoneStationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">107,576</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Coyote Station:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Utility plant in service</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8049237e1452-wk-Fact-C190E2A2A154C8502EA5F94C9CCE2E2A" name="us-gaap:JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService" contextRef="FI2017Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_CoyoteStationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">155,287</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8049237e1466-wk-Fact-81438E38209F84B733E6F94C9CCE2A60" name="us-gaap:JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService" contextRef="FI2016Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_CoyoteStationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">156,334</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8049237e1481-wk-Fact-D598ED3809EDCF65112BF94C9CCE1D6B" name="us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation" contextRef="FI2017Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_CoyoteStationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">103,897</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8049237e1495-wk-Fact-7864F7C48F2357CA4B5AF94C9C9F5F44" name="us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation" contextRef="FI2016Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_CoyoteStationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">105,928</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8049237e1520-wk-Fact-A1DD64B8CD819EF39BDAF94C9C9FA702" name="us-gaap:JointlyOwnedUtilityPlantNetOwnershipAmount" contextRef="FI2017Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_CoyoteStationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">51,390</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8049237e1534-wk-Fact-6BA348B4FDC5DE9F80A0F94C9C903258" name="us-gaap:JointlyOwnedUtilityPlantNetOwnershipAmount" contextRef="FI2016Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_CoyoteStationMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">50,406</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Wygen III:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Utility plant in service</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8049237e1589-wk-Fact-D7B59E92560F8957627CF94C9C9FD496" name="us-gaap:JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService" contextRef="FI2017Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_WygenIiiMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">65,065</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div 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style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8049237e1618-wk-Fact-6B75DCF840A325A9B922F94C9CBF18B8" name="us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation" contextRef="FI2017Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_WygenIiiMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,652</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8049237e1632-wk-Fact-2B87297ED25B9C430863F94C9CCE7106" name="us-gaap:JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation" contextRef="FI2016Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_WygenIiiMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,550</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8049237e1657-wk-Fact-1D386EC12678B8AB0377F94C9C9F412B" name="us-gaap:JointlyOwnedUtilityPlantNetOwnershipAmount" contextRef="FI2017Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_WygenIiiMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">57,413</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8049237e1671-wk-Fact-1B3242D639F73791A690F94C9C9F4D11" name="us-gaap:JointlyOwnedUtilityPlantNetOwnershipAmount" contextRef="FI2016Q4_us-gaap_JointlyOwnedUtilityPlantAxis_us-gaap_JointlyOwnedElectricityGenerationPlantMember_us-gaap_PublicUtilityAxis_mdu_WygenIiiMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">58,701</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div><a id="s958383C83256528D925B012DE50795CD"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">16</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> - <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:PublicUtilitiesDisclosureTextBlock" id="TextSelection-F6CEF446D62F96102979F94C9CFD1A22-0-wk-Fact-91C2F063FD1BC66ACE11F94C9CCE20DF" continuedAt="TextSelection-F6CEF446D62F96102979F94C9CFD1A22-1" escape="true">Regulatory Matters </ix:nonNumeric></span></div><ix:continuation id="TextSelection-F6CEF446D62F96102979F94C9CFD1A22-1" continuedAt="TextSelection-F6CEF446D62F96102979F94C9CFD1A22-2"><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company regularly reviews the need for electric and natural gas rate changes in each of the jurisdictions in which service is provided. The Company files for rate adjustments to seek recovery of operating costs and capital investments, as well as reasonable returns as allowed by regulators. The Company's most recent cases by jurisdiction are discussed in the following paragraphs. The jurisdictions in which the Company provides service have requested the Company furnish plans for the effect of the reduced corporate tax rate due to the enactment of the TCJA which may impact the Company's rates. The following paragraphs include additional details on each jurisdiction's request.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">IPUC</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On August&#160;12, 2016, Intermountain filed an application with the IPUC for a natural gas rate increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1169-wk-Fact-4C120230FEF1724950886E11A435719B" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmount" contextRef="D2016Q3RM1_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_IPUCMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">10.2</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> annually or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8047559e1173-wk-Fact-D1E054B302F8F2E053786E125A8BFD1E" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreasePercentage" contextRef="D2016Q3RM1_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_IPUCMember" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">4.1</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent above current rates. The request includes rate recovery associated with increased investment in facilities and increased operating expenses. On January&#160;17, 2017, Intermountain provided the IPUC with an updated revenue request of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1177-wk-Fact-3C0632F65E4BDEF1BBAF6E12AD4AB07B" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount" contextRef="D2017Q1R5_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_IPUCMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">9.4</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. On April&#160;28, 2017, the IPUC issued an order approving an increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1181-wk-Fact-7E08096917ED0915F0B16E12DC1C9B9D" name="us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount" contextRef="D2017Q2RM2_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_IPUCMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">4.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8047559e1185-wk-Fact-47CB9F40DEE4655822196E131F8643D9" name="us-gaap:PublicUtilitiesApprovedRateIncreaseDecreasePercentage" contextRef="D2017Q2RM2_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_IPUCMember" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">1.6</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent above current rates based on a </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8047559e1190-wk-Fact-88CBEE9FD06B34357DE36E13514EAFC1" name="us-gaap:PublicUtilitiesApprovedReturnOnEquityPercentage" contextRef="D2017Q2RM2_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_IPUCMember" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">9.5</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent return on equity effective with service rendered on and after May&#160;1, 2017. On May&#160;18, 2017, Intermountain filed a petition for reconsideration with the IPUC requesting the reconsideration of certain items denied in the order dated April&#160;28, 2017. On June&#160;15, 2017, the IPUC granted the request for reconsideration. On August&#160;17, 2017, Intermountain, the IPUC staff and the interveners of the case filed a stipulation and settlement resolving all issues. The stipulation and settlement reflected an increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1194-wk-Fact-06C3A11E9FBE80FFB8176E138864EA98" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmount" contextRef="D2017Q3RM10_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_IPUCMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">1.2</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> or </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8047559e1198-wk-Fact-50A12D1F486DD7E739A16E13BA9EBCE5" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreasePercentage" contextRef="D2017Q3RM10_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_IPUCMember" unitRef="number" decimals="4" scale="-2" format="ixt:numdotdecimal">1.36</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent more in annual revenue than the amounts approved on April&#160;28, 2017, as well as changes in billing determinants. The total annual increase in revenue of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1202-wk-Fact-CF919A9A813951E552CC6E13E85A97AF" name="us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount" contextRef="D2017Q3RM_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_IPUCMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">6.7</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> was approved by the IPUC on September&#160;14, 2017, with rates effective October&#160;1, 2017.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On January&#160;17, 2018, the IPUC issued a general order initiating the investigation of the impacts of the TCJA. The order required the tax rate reduction to be deferred as a regulatory liability and for companies to report on the expected impacts of the TCJA by March&#160;30, 2018.</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">94</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-F6CEF446D62F96102979F94C9CFD1A22-2" continuedAt="TextSelection-F6CEF446D62F96102979F94C9CFD1A22-3"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">MNPUC</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December&#160;21, 2016, Great Plains filed an application with the MNPUC requesting authority to implement a gas utility infrastructure cost tariff of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1215-wk-Fact-DD249C62004F358918866E14A6B85730" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmount" contextRef="D2016Q4RegMat1_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgascosttariffMember_us-gaap_RegulatoryAgencyAxis_mdu_MNPUCMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">456,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> annually. The tariff will allow Great Plains to recover infrastructure investments, not previously included in rates, mandated by federal or state agencies associated with Great Plains' pipeline integrity programs. On October&#160;6, 2017, the MNPUC approved the implementation of the natural gas utility infrastructure cost tariff to collect an annual increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1219-wk-Fact-0F00BA42A5DD2F0C35396E14EE34BBD3" name="us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount" contextRef="D2017Q3RM3_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgascosttariffMember_us-gaap_RegulatoryAgencyAxis_mdu_MNPUCMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">456,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Great Plains submitted a compliance filing on October&#160;10, 2017, and the rates were implemented for service rendered on and after November&#160;1, 2017. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December&#160;29, 2017, the MNPUC issued a notice of investigation related to tax changes with the enactment of the TCJA. On January&#160;19, 2018, the MNPUC issued a notice of request for information, commission planning meeting and subsequent comment period. Great Plains was to provide preliminary impacts of the TCJA by January&#160;30, 2018. A commission planning meeting was held on February&#160;6, 2018, to discuss the impacts of the TCJA. Initial filings addressing the impacts of the TCJA are to be submitted by March&#160;2, 2018.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">MTPSC</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On September&#160;25, 2017, Montana-Dakota filed an application with the MTPSC for a natural gas rate increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1232-wk-Fact-A6F71D2AB559D99BE4066E15CB02DC5C" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmount" contextRef="D2017Q3RM4_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_MtpscMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">2.8</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> annually or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8047559e1236-wk-Fact-EA08B58F2489A9E8CBAD6E16052F1AC2" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreasePercentage" contextRef="D2017Q3RM4_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_MtpscMember" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">4.1</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent above current rates. The requested increase is primarily to recover the increased investment in distribution facilities to enhance system safety and reliability and the depreciation and taxes associated with the increase in investment. Montana-Dakota is also introducing an SSIP and the proposed adjustment mechanism required to fund the SSIP. Montana-Dakota requested an interim increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1240-wk-Fact-A7C5A85A33842C03D51F6E164725F989" name="us-gaap:PublicUtilitiesInterimRateIncreaseDecreaseAmount" contextRef="D2017Q3RM4_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_MtpscMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">1.6</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8047559e1244-wk-Fact-CBE2AEF761CCE06F5EFA6E1670347587" name="us-gaap:PublicUtilitiesInterimRateIncreaseDecreasePercentage" contextRef="D2017Q3RM4_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_MtpscMember" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">2.3</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent, subject to refund. On December&#160;27, 2017, the MTPSC requested Montana-Dakota identify a plan for the impacts of the TCJA for the natural gas segment within the natural gas rate case. On January&#160;12, 2018, Montana-Dakota filed a revised interim increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1248-wk-Fact-9C32414E5E383527898872901FDA0B6A" name="mdu:PublicUtilitiesIntermRateIncreaseDecreseRevised" contextRef="D2018Q1RM_us-gaap_RegulatoryAgencyAxis_mdu_MtpscMember_us-gaap_SubsequentEventTypeAxis_us-gaap_SubsequentEventMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">764,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, subject to refund, incorporating the estimated impacts of the TCJA reduction in the federal corporate income tax rate. A hearing is scheduled for April&#160;26, 2018. This matter is pending before the MTPSC. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December&#160;27, 2017, the MTPSC requested Montana-Dakota identify a plan for the impacts of the TCJA and to file a proposal for the impacts on the electric segment by March&#160;31, 2018.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">NDPSC</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On June&#160;30, 2017, Montana-Dakota filed an application for advance determination of prudence and a certificate of public convenience and necessity with the NDPSC to purchase an expansion of the Thunder Spirit Wind farm. The advance determination of prudence would provide Montana-Dakota with assurance that the project is prudent and in the best interest of the public and assists in the recovery of Montana-Dakota's investment upon completion of the project. The expansion is expected to serve customers by the end of 2018 and is estimated to cost approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1262-wk-Fact-1FBC27D878162095D93A6E2A060C66DC" name="mdu:EstimatedProjectCost" contextRef="D2017Q2RM4_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_AdvanceDeterminationofPrudenceMember_us-gaap_RegulatoryAgencyAxis_mdu_NDPSCMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">85</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. On November&#160;16, 2017, the NDPSC granted Montana-Dakota's request for an advance determination of prudence and certificate of public convenience and necessity to acquire and operate the Thunder Spirit Wind farm expansion. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On July&#160;21, 2017, Montana-Dakota filed an application with the NDPSC for a natural gas rate increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1269-wk-Fact-B921D9A0D971974875CF6E28F91296D9" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmount" contextRef="D2017Q2RM5_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_NDPSCMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">5.9</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> annually or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8047559e1273-wk-Fact-D45AEC3756A2A8D150B56E2934A9B1CC" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreasePercentage" contextRef="D2017Q2RM5_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_NDPSCMember" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">5.4</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent above current rates. The requested increase is primarily to recover the increased investment in distribution facilities to enhance system safety and reliability and the depreciation and taxes associated with the increase in investment. Montana-Dakota is also introducing an SSIP and the proposed adjustment mechanism required to fund the SSIP. Montana-Dakota requested an interim increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1277-wk-Fact-EA96ACB70BF78E5AF1756E2975C46CCD" name="us-gaap:PublicUtilitiesInterimRateIncreaseDecreaseAmount" contextRef="D2017Q3RM11_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_NDPSCMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">4.6</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8047559e1281-wk-Fact-0DD320C3C582721E178E6E299ABE9E86" name="us-gaap:PublicUtilitiesInterimRateIncreaseDecreasePercentage" contextRef="D2017Q3RM11_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_NDPSCMember" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">4.2</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent, subject to refund. On September&#160;6, 2017, the NDPSC approved the request for interim rates effective with service rendered on or after September&#160;19, 2017. On January&#160;12, 2018, Montana-Dakota requested a delay of the rate case as a result of the enactment of the TCJA to allow the Company time to investigate the implications of the TCJA on the rate case. On February 14, 2018, the NDPSC approved the delay of hearing and scheduled it to begin on May 30, 2018. Also on February&#160;14, 2018, Montana-Dakota filed a revised interim increase request of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1285-wk-Fact-9E25AE7E0582FB5F8E73BE7389208036" name="mdu:PublicUtilitiesIntermRateIncreaseDecreseRevised" contextRef="D2018Q1RM1_us-gaap_RegulatoryAgencyAxis_mdu_NDPSCMember_us-gaap_SubsequentEventTypeAxis_us-gaap_SubsequentEventMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">2.7</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, subject to refund, incorporating the estimated impacts of the TCJA reduction in the federal corporate income tax rate.This matter is pending before the NDPSC.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On January&#160;10, 2018, the NDPSC issued a general order initiating the investigation into the effects of the TCJA. The order required regulatory deferral accounting on the impacts of the TCJA and for companies to file comments and the expected impacts. On February&#160;15, 2018, Montana-Dakota filed a summary of the primary impacts of the TCJA on the electric and natural gas utilities.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">OPUC</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On September&#160;29, 2017, Cascade filed an application with the OPUC for an annual pipeline replacement safety cost recovery mechanism of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1298-wk-Fact-E075DF09DF32ADBA2A7F6E1AC652E89B" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmount" contextRef="D2017Q3RM5_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_PipelineReplacementCostRecoveryMember_us-gaap_RegulatoryAgencyAxis_mdu_OPUCMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">784,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8047559e1302-wk-Fact-8EC60F08E0CC568DAB356E1AF5B792BC" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreasePercentage" contextRef="D2017Q3RM5_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_PipelineReplacementCostRecoveryMember_us-gaap_RegulatoryAgencyAxis_mdu_OPUCMember" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">1.2</ix:nonFraction> percent</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of additional revenue. The requested increase includes incremental pipeline replacement investments associated with qualifying pipeline integrity projects. This matter is pending before the OPUC.</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">95</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-F6CEF446D62F96102979F94C9CFD1A22-3" continuedAt="TextSelection-F6CEF446D62F96102979F94C9CFD1A22-4"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December&#160;29, 2017, Cascade filed a request with the OPUC to use deferral accounting for the 2018 net benefits associated with the implementation of the TCJA. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">SDPUC</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December 29, 2017, the SDPUC issued an order initiating the investigation into the effects of the TCJA. The order required Montana-Dakota to provide comments by February&#160;1, 2018, regarding the general effects of the TCJA on the cost of service in South Dakota and possible mechanisms for adjusting rates. The order also stated that all rates impacted by the federal income tax shall be adjusted effective January&#160;1, 2018, subject to refund.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">WUTC</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On May 31, 2017, Cascade filed an application with the WUTC for an annual pipeline replacement cost recovery mechanism of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1321-wk-Fact-C7DA9DAF2391243E1C5D6E1BF2C36F80" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmount" contextRef="D2017Q2RM8_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_PipelineReplacementCostRecoveryMember_us-gaap_RegulatoryAgencyAxis_mdu_WUTCMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">1.6</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8047559e1325-wk-Fact-5C65E27E92AE3C1D38426E1C19CFE3FA" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreasePercentage" contextRef="D2017Q2RM8_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_PipelineReplacementCostRecoveryMember_us-gaap_RegulatoryAgencyAxis_mdu_WUTCMember" unitRef="number" decimals="4" scale="-2">.75</ix:nonFraction> percent</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of additional revenue. The requested increase includes incremental pipeline replacement investments associated with qualifying pipeline integrity projects. On October&#160;12, 2017, Cascade filed a required update revising the request to approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1329-wk-Fact-F91439B534803C58C8816E1C4F591C8F" name="us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount" contextRef="D2017Q3RM8_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_PipelineReplacementCostRecoveryMember_us-gaap_RegulatoryAgencyAxis_mdu_WUTCMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">1.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8047559e1333-wk-Fact-8A4B8708E54F04093F1F6E1C7800B9A6" name="us-gaap:PublicUtilitiesApprovedRateIncreaseDecreasePercentage" contextRef="D2017Q3RM8_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_PipelineReplacementCostRecoveryMember_us-gaap_RegulatoryAgencyAxis_mdu_WUTCMember" unitRef="number" decimals="4" scale="-2">.61</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent of additional revenue and on October&#160;26, 2017, the WUTC approved the order with rates effective November&#160;1, 2017.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On August&#160;31, 2017, Cascade filed an application with the WUTC for a natural gas rate increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1341-wk-Fact-93C59574DF6468BDC96D6E1B75432AD3" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmount" contextRef="D2017Q3RM9_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_WUTCMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">5.9</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> annually or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8047559e1345-wk-Fact-1C99F57711309E4D29D26E1BAADACD19" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreasePercentage" contextRef="D2017Q3RM9_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_WUTCMember" unitRef="number" decimals="3" scale="-2" format="ixt:numdotdecimal">2.7</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent above current rates. The requested increase includes costs associated with increased infrastructure investment and the associated operating expenses. Also included in the request is recovery of operation and maintenance costs associated with a maximum allowable operating pressure validation plan. On January&#160;3, 2018, the WUTC filed a bench request requiring Cascade to provide information related to the impacts of the TCJA on Cascade's revenue requirement and a proposed ratemaking treatment of those impacts. On January&#160;12, 2018, Cascade filed a response to the bench request reducing the revenue requirement to approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1349-wk-Fact-97ED4A23233A466705426E1ECC6E9719" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount" contextRef="D2018Q1CAS_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_NaturalgasrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_WUTCMember_us-gaap_SubsequentEventTypeAxis_us-gaap_SubsequentEventMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">1.7</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> annually, which includes the estimated impacts of the TCJA. This matter is pending before the WUTC. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">WYPSC</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December&#160;29, 2017, the WYPSC issued a general order requiring regulatory deferral accounting on the impacts of the TCJA. A technical conference was held on February&#160;6, 2018, to discuss the implications of the TCJA.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">FERC</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On September&#160;1, 2017, Montana-Dakota submitted an update to its transmission formula rate under the MISO tariff, which reflects an incremental increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1365-wk-Fact-3A4E37E7966770C1BB726E2E60A26638" name="us-gaap:PublicUtilitiesRequestedRateIncreaseDecreaseAmount" contextRef="D2017Q3RM6_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_ElectrictransmissionrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_MISOMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">2.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to include a revenue requirement for the Company's multivalue project, for a total of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8047559e1369-wk-Fact-5429793139E93A440F17F94C9CBF1A35" name="us-gaap:PublicUtilitiesApprovedRateIncreaseDecreaseAmount" contextRef="D2017Q3RM6_us-gaap_PublicUtilitiesRegulatoryProceedingAxis_mdu_ElectrictransmissionrateproceedingMember_us-gaap_RegulatoryAgencyAxis_mdu_MISOMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">13.6</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, which was effective January 1, 2018.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Montana-Dakota and certain MISO Transmission Owners with projected rates submitted a filing to the FERC on February&#160;1, 2018, requesting the FERC to waive certain provisions of the MISO tariff in order for Montana-Dakota and certain MISO Transmission Owners with projected rates to revise their rates to reflect the reduction in the corporate tax rate. Under the MISO tariff, rates are to be changed only on an annual basis with any changes reflected in subsequent true-ups. If the waiver is granted, MISO expects to implement new rates reflecting the reduction in the tax rate beginning with services rendered on March&#160;1, 2018, and will re-bill January and February 2018 services to reflect the new rates.</span></div></ix:continuation><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-F6CEF446D62F96102979F94C9CFD1A22-4">On February&#160;7, 2018, WBI Energy Transmission announced it will hold an initial rate change pre-filing settlement meeting with customers on April&#160;10, 2018. In accordance with WBI Energy Transmission&#8217;s offer of settlement and stipulation and agreement with the FERC dated June&#160;4, 2014, the Company is to make a filing with new proposed rates to be effective no later than May&#160;1, 2019. Assuming a five-month suspension period, WBI Energy Transmission would expect to file by October&#160;31, 2018.</ix:continuation></span></div><div><a id="s65C23166A83A5D2DA857F766CADEE01D"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">17</span><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"> - <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:CommitmentsAndContingenciesDisclosureTextBlock" id="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-0-wk-Fact-69BC92189E03858A864EF94C9C901CA9" continuedAt="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-1" escape="true">Commitments and Contingencies</ix:nonNumeric></span></div><ix:continuation id="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-1" continuedAt="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-2"><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company is party to claims and lawsuits arising out of its business and that of its consolidated subsidiaries, which may include, but are not limited to, matters involving property damage, personal injury, and environmental, contractual, statutory and regulatory obligations. The Company accrues a liability for those contingencies when the incurrence of a loss is probable and the amount can be reasonably estimated. If a range of amounts can be reasonably estimated and no amount within the range is a better estimate than any other amount, then the minimum of the range is accrued. The Company does not accrue liabilities when the likelihood that the liability has been incurred is probable but the amount cannot be reasonably estimated or when the liability is believed to be only reasonably possible or remote. For contingencies where an unfavorable outcome is probable or reasonably possible and which are material, the Company discloses the nature of the contingency and, in some circumstances, an estimate of the possible loss. Accruals are based on the best information available, but in certain situations management is unable to estimate an amount or range of a reasonably possible loss including, but not limited to when: (1) the damages are unsubstantiated or indeterminate, (2) the proceedings are in the early stages, (3) numerous parties are involved, or (4) </span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">96</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-2" continuedAt="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-3"><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">the matter involves novel or unsettled legal theories. The Company accrued liabilities of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1166-wk-Fact-C2F91B6CCEAC71878D5866A1DE3B99C8" name="us-gaap:LossContingencyAccrualAtCarryingValue" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">35.4</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1170-wk-Fact-488218E69905024A773766A1DE341C89" name="us-gaap:LossContingencyAccrualAtCarryingValue" contextRef="FI2016Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">31.8</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, which have not been discounted, including liabilities held for sale, for contingencies, including litigation, production taxes, royalty claims and environmental matters at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. This includes amounts that may have been accrued for matters discussed in Litigation and Environmental matters within this note. The Company will continue to monitor each matter and adjust accruals as might be warranted based on new information and further developments. Management believes that the outcomes with respect to probable and reasonably possible losses in excess of the amounts accrued, net of insurance recoveries, while uncertain, either cannot be estimated or will not have a material effect upon the Company's financial position, results of operations or cash flows. Unless otherwise required by GAAP, legal costs are expensed as they are incurred.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Litigation</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Construction Services</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;Capital Electric provided employees in 2012 to perform work for a contractor on a project in Kansas. One of the Capital Electric employees was injured while working on the project and brought a lawsuit against the contractor. Judgment was entered in favor of the employee and his spouse on November&#160;3, 2016, in the amount of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1190-wk-Fact-E2809A7A52B5DAB276A766A52E3630BC" name="us-gaap:LossContingencyDamagesAwardedValue" contextRef="D2016Q2Con_us-gaap_LitigationCaseAxis_mdu_LitigationRelatedToConstructionServicesMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">44.8</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> following a court determination that the employee&#8217;s injuries were caused by the contractor&#8217;s negligence. The contractor claims that Capital Electric was contractually required, but failed, to name the contractor as an additional insured under any liability policy in effect at the time of the project and that such failure resulted in the entry of judgment against the contractor. In March 2017, Capital Electric filed a petition for declaratory judgment in the District Court of Wyandotte County, Kansas for a judicial determination that any agreement between Capital Electric and the contractor for the project did not require Capital Electric to include the contractor as an additional insured under any liability policy issued to Capital Electric and that if such an agreement was found to exist, it would be void and unenforceable under Kansas law. Subsequent to December&#160;31, 2017, the matter has been settled with Capital Electric being released from all claims of liability and the declaratory judgment action being dismissed.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Environmental matters</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Portland Harbor Site </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In December 2000, Knife River&#160;- Northwest was named by the EPA as a PRP in connection with the cleanup of a riverbed site adjacent to a commercial property site acquired by Knife River&#160;- Northwest from Georgia-Pacific West, Inc. in 1999. The riverbed site is part of the Portland, Oregon, Harbor Superfund Site. The EPA wants responsible parties to share in the cleanup of sediment contamination in the Willamette River. To date, costs of the overall remedial investigation and feasibility study of the harbor site are being recorded, and initially paid, through an administrative consent order by the LWG, a group of several entities, which does not include Knife River&#160;- Northwest or Georgia-Pacific West, Inc. Investigative costs are indicated to be in excess of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8064985e1202-wk-Fact-391087E50387159D1141F94C9CCE0AA6" name="mdu:EnvironmentalMattersInvestigativeCosts" contextRef="FI2017Q4_us-gaap_EnvironmentalRemediationSiteAxis_mdu_PortlandHarborSiteMember" unitRef="usd" decimals="-6" scale="6" format="ixt:numdotdecimal">100</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. On January&#160;6, 2017, Region&#160;10 of the EPA issued an ROD with its selected remedy for cleanup of the in-river portion of the site. Implementation of the remedy is expected to take up to 13&#160;years with a present value cost estimate of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1206-wk-Fact-266370DFEFA9FDCD3668F94C9C90CE04" name="mdu:EnvironmentalMattersEstimatedCosts" contextRef="I2017Q1CC_us-gaap_EnvironmentalRemediationSiteAxis_mdu_PortlandHarborSiteMember" unitRef="usd" decimals="-9" scale="9" format="ixt:numdotdecimal">1</ix:nonFraction>&#160;billion</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Corrective action will not be taken until remedial design/remedial action plans are approved by the EPA. Knife River&#160;- Northwest also received notice in January 2008 that the Portland Harbor Natural Resource Trustee Council intends to perform an injury assessment to natural resources resulting from the release of hazardous substances at the Harbor Superfund Site. The Portland Harbor Natural Resource Trustee Council indicates the injury determination is appropriate to facilitate early settlement of damages and restoration for natural resource injuries. It is not possible to estimate the costs of natural resource damages until an assessment is completed and allocations are undertaken.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Based upon a review of the Portland Harbor sediment contamination evaluation by the Oregon DEQ and other information available, Knife River&#160;- Northwest does not believe it is a responsible party. In addition, Knife River&#160;- Northwest has notified Georgia-Pacific West, Inc., that it intends to seek indemnity for liabilities incurred in relation to the above matters pursuant to the terms of their sale agreement. Knife River&#160;- Northwest has entered into an agreement tolling the statute of limitations in connection with the LWG's potential claim for contribution to the costs of the remedial investigation and feasibility study. By letter in March 2009, LWG stated its intent to file suit against Knife River&#160;- Northwest and others to recover LWG's investigation costs to the extent Knife River&#160;- Northwest cannot demonstrate its non-liability for the contamination or is unwilling to participate in an alternative dispute resolution process that has been established to address the matter. At this time, Knife River&#160;- Northwest has agreed to participate in the alternative dispute resolution process.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company believes it is not probable that it will incur any material environmental remediation costs or damages in relation to the above referenced matter.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Manufactured Gas Plant Sites </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">There are three claims against Cascade for cleanup of environmental contamination at manufactured gas plant sites operated by Cascade's predecessors.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The first claim is for contamination at a site in Eugene, Oregon which was received in 1995. There are PRPs in addition to Cascade that may be liable for cleanup of the contamination. Some of these PRPs have shared in the investigation costs. It is expected that these and other PRPs will share in the cleanup costs. The Oregon DEQ released an ROD in January 2015 that selected a remediation alternative for the site as recommended in an earlier staff report. 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It is not known at this time what share of the cleanup costs will </span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">97</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-3" continuedAt="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-4"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">actually be borne by Cascade; however, Cascade has paid </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8064985e1236-wk-Fact-7DE9A7079CC86B63B945683CF3AB187E" name="mdu:PercentOfOngoingCostsPaid" contextRef="FD2017Q4YTD_us-gaap_EnvironmentalRemediationSiteAxis_mdu_EugeneORManufacturedGasPlantSiteMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">50</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent of the ongoing investigation and design costs and anticipates its proportional share of the final costs could be approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8064985e1240-wk-Fact-9891B43480F2B9304271683CABF35FBE" name="mdu:EstimatedProportionalShareOfCleanupLiability" contextRef="FI2017Q4_us-gaap_EnvironmentalRemediationSiteAxis_mdu_EugeneORManufacturedGasPlantSiteMember" unitRef="number" decimals="2" scale="-2" format="ixt:numdotdecimal">50</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent. Cascade has an accrual balance of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1244-wk-Fact-A66FB5E582042F6D59206836CBEFEAE4" name="mdu:EnvironmentalMattersAccrualForSiteRemediation" contextRef="FI2017Q4_us-gaap_EnvironmentalRemediationSiteAxis_mdu_EugeneORManufacturedGasPlantSiteMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">1.6</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for remediation of this site. In January&#160;2013, the OPUC approved Cascade's application to defer environmental remediation costs at the Eugene site for a period of 12&#160;months starting November&#160;30, 2012. Cascade received orders reauthorizing the deferred accounting for the 12-month periods starting November&#160;30, 2013, December&#160;1, 2014, December&#160;1, 2015, December 1, 2016 and December 1, 2017.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The second claim is for contamination at the Bremerton Gasworks Superfund Site in Bremerton, Washington which was received in 1997. A preliminary investigation has found soil and groundwater at the site contain contaminants requiring further investigation and cleanup. The EPA conducted a Targeted Brownfields Assessment of the site and released a report summarizing the results of that assessment in August 2009. The assessment confirms that contaminants have affected soil and groundwater at the site, as well as sediments in the adjacent Port Washington Narrows. Alternative remediation options have been identified with preliminary cost estimates ranging from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1251-wk-Fact-8A84BA974FEB9D6AFFD26849E60D3725" name="us-gaap:SiteContingencyLossExposureNotAccruedBestEstimate" contextRef="FD2017Q4YTD_us-gaap_EnvironmentalRemediationSiteAxis_mdu_BremertonWAManufacturedGasPlantSiteMember_us-gaap_RangeAxis_us-gaap_MinimumMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">340,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1255-wk-Fact-86F514E00A86991724DB68497DCC1266" name="us-gaap:SiteContingencyLossExposureNotAccruedBestEstimate" contextRef="FD2017Q4YTD_us-gaap_EnvironmentalRemediationSiteAxis_mdu_BremertonWAManufacturedGasPlantSiteMember_us-gaap_RangeAxis_us-gaap_MaximumMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">6.4</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Data developed through the assessment and previous investigations indicates the contamination likely derived from multiple, different sources and multiple current and former owners of properties and businesses in the vicinity of the site may be responsible for the contamination. In April 2010, the Washington DOE issued notice it considered Cascade a PRP for hazardous substances at the site. In May 2012, the EPA added the site to the National Priorities List of Superfund sites. Cascade has entered into an administrative settlement agreement and consent order with the EPA regarding the scope and schedule for a remedial investigation and feasibility study for the site. Current estimates for the cost to complete the remedial investigation and feasibility study are approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1259-wk-Fact-0E21D3784F1E242464DF684B568CECEC" name="mdu:TotalEstimatedCostsForSiteRemedialInvestigationAndFeasibilityStudy" contextRef="FD2017Q4YTD_us-gaap_EnvironmentalRemediationSiteAxis_mdu_BremertonWAManufacturedGasPlantSiteMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">7.6</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of which </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1263-wk-Fact-5055AEB71E92967D7274684E2B651EE5" name="mdu:IncurredCostsForSiteRemedialInvestigationAndFeasibilityStudy" contextRef="FD2017Q4YTD_us-gaap_EnvironmentalRemediationSiteAxis_mdu_BremertonWAManufacturedGasPlantSiteMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">1.7</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> has been incurred. Cascade has accrued </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1267-wk-Fact-1544E6C87739CE574DC0684F4A65CCCA" name="mdu:EnvironmentalMattersAccrualForRemedialInvestigationandFeasibilityStudyCosts" contextRef="FI2017Q4_us-gaap_EnvironmentalRemediationSiteAxis_mdu_BremertonWAManufacturedGasPlantSiteMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">5.9</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for the remedial investigation and feasibility study as well as </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1272-wk-Fact-0E5773EB62FF540743A4684FEAAE78D0" name="mdu:EnvironmentalMattersAccrualForSiteRemediation" contextRef="FI2017Q4_us-gaap_EnvironmentalRemediationSiteAxis_mdu_BremertonWAManufacturedGasPlantSiteMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">6.4</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for remediation of this site; however, the accrual for remediation costs will be reviewed and adjusted, if necessary, after completion of the remedial investigation and feasibility study. In April 2010, Cascade filed a petition with the WUTC for authority to defer the costs, which are included in other noncurrent assets, incurred in relation to the environmental remediation of this site. The WUTC approved the petition in September 2010, subject to conditions set forth in the order.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The third claim is for contamination at a site in Bellingham, Washington. Cascade received notice from a party in May 2008 that Cascade may be a PRP, along with other parties, for contamination from a manufactured gas plant owned by Cascade and its predecessor from about 1946 to 1962. The notice indicates that current estimates to complete investigation and cleanup of the site exceed </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1279-wk-Fact-F2E6032F7A66B90741DD6850E7D12870" name="us-gaap:SiteContingencyLossExposureNotAccruedBestEstimate" contextRef="FD2017Q4YTD_us-gaap_EnvironmentalRemediationSiteAxis_mdu_BellinghamWAManufacturedGasPlantSiteMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">8.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Other PRPs have reached an agreed order and work plan with the Washington DOE for completion of a remedial investigation and feasibility study for the site. A report documenting the initial phase of the remedial investigation was completed in June 2011. There is currently not enough information available to estimate the potential liability to Cascade associated with this claim although Cascade believes its proportional share of any liability will be relatively small in comparison to other PRPs. The plant manufactured gas from coal between approximately 1890 and 1946. In 1946, shortly after Cascade's predecessor acquired the plant, it converted the plant to a propane-air gas facility. There are no documented wastes or by-products resulting from the mixing or distribution of propane-air gas. Cascade has not recorded an accrual for this site.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Cascade has received notices from and entered into agreement with certain of its insurance carriers that they will participate in defense of Cascade for these contamination claims subject to full and complete reservations of rights and defenses to insurance coverage. To the extent these claims are not covered by insurance, Cascade intends to seek recovery through the OPUC and WUTC of remediation costs in its natural gas rates charged to customers. The accruals related to these matters are reflected in regulatory assets. For more information, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Operating leases</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company leases certain equipment, facilities and land under operating lease agreements. <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock" id="TextSelection-FB82933B3D8E9C2EEA5D668CC2867CE4-0-wk-Fact-9ABCC45D68FC705652D26694A2D5AD79" continuedAt="TextSelection-FB82933B3D8E9C2EEA5D668CC2867CE4-1" escape="true">The amounts of annual minimum lease payments due under these leases as of </ix:nonNumeric></span><ix:continuation id="TextSelection-FB82933B3D8E9C2EEA5D668CC2867CE4-1" continuedAt="TextSelection-FB82933B3D8E9C2EEA5D668CC2867CE4-2"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were:</span></ix:continuation></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><ix:continuation id="TextSelection-FB82933B3D8E9C2EEA5D668CC2867CE4-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="19"></td></tr><tr><td style="width:28%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2019</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2020</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2021</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2022</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Thereafter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating leases</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064985e1530-wk-Fact-297C7985DF897C506B6D685341D24B74" name="us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">55,511</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064985e1544-wk-Fact-2F3969E7EE786ED30024685395C14FD0" name="us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">45,307</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064985e1558-wk-Fact-9471EA3126A24BA454926853AB2C13FC" name="us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">33,168</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064985e1573-wk-Fact-2196EF9DFD9BD22EE2506853C88A14CC" name="us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">18,562</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064985e1587-wk-Fact-7E39B5236EC24D0A81836853E3132749" name="us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,047</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064985e1601-wk-Fact-E0C714A0F3747BA3C2636853F858A202" name="us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">40,833</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Rent expense was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1612-wk-Fact-CB8622E8AEF985BBDEA1685901785AAE" name="us-gaap:OperatingLeasesRentExpenseNet" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">73.7</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1616-wk-Fact-609D022E80403EFDDE9468590162D45A" name="us-gaap:OperatingLeasesRentExpenseNet" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">65.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1620-wk-Fact-8BA923BC326B111D881A6859014FA1A6" name="us-gaap:OperatingLeasesRentExpenseNet" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">53.9</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">98</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-4" continuedAt="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-5"><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Purchase commitments </span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company has entered into various commitments, largely construction, natural gas and coal supply, purchased power, natural gas transportation and storage, and service, shipping and construction materials supply contracts, some of which are subject to variability in volume and price. The commitment terms vary in length, up to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonNumeric id="d8064985e1643-wk-Fact-542D5D56A9ED584CF8D48B0E7448E0D6" name="us-gaap:UnrecordedUnconditionalPurchaseObligationTerm" contextRef="FD2017Q4YTD_us-gaap_RangeAxis_us-gaap_MaximumMember" format="ixt-sec:duryear">43</ix:nonNumeric></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;years. <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:LongTermPurchaseCommitmentTextBlock" id="TextSelection-E399F75923485E133B276695070CA85A-0-wk-Fact-7C480C688CA1364FBF2366964B66F6D2" continuedAt="TextSelection-E399F75923485E133B276695070CA85A-1" escape="true">The commitments under these contracts as of </ix:nonNumeric></span><ix:continuation id="TextSelection-E399F75923485E133B276695070CA85A-1"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were: </span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="19"></td></tr><tr><td style="width:28%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2019</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2020</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2021</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2022</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Thereafter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Purchase commitments</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064985e1880-wk-Fact-73803D0A1C27C05681A76864683433E7" name="us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">360,751</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064985e1894-wk-Fact-62E08F2C8F545B3DBDA86864A649DC1D" name="us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">215,005</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064985e1908-wk-Fact-FAE797146A3B42BDBC9F6864C907C9C9" name="us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">162,424</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064985e1923-wk-Fact-FC5690D3B5B8E5FDE66968658D900D48" name="us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">135,334</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064985e1937-wk-Fact-D7B537A1DD7AB4FEEAE26865A05646CB" name="us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">99,068</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064985e1951-wk-Fact-45B5E11EC7F707AB68C66865B1C4286C" name="us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears" contextRef="FI2017Q4" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">773,820</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">These commitments were not reflected in the Company's consolidated financial statements. Amounts purchased under various commitments for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1974-wk-Fact-42002626A87AAE0C16C66862CC6BC230" name="us-gaap:UnrecordedUnconditionalPurchaseObligationPurchases" contextRef="FD2017Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">516.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1978-wk-Fact-231D30A7BE248546246B6862CC3E76CF" name="us-gaap:UnrecordedUnconditionalPurchaseObligationPurchases" contextRef="FD2016Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">539.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1983-wk-Fact-F637F6936EAD5835F4DC6862CC534F22" name="us-gaap:UnrecordedUnconditionalPurchaseObligationPurchases" contextRef="FD2015Q4YTD" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">842.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Guarantees</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In June 2016, WBI Energy sold all of the outstanding membership interests in Dakota Prairie Refining. In connection with the sale, Centennial agreed to continue to guarantee certain debt obligations of Dakota Prairie Refining which totaled </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e1994-wk-Fact-F16464805E8C88ED2AB8F94C9CDE7DD7" name="us-gaap:GuaranteeObligationsMaximumExposure" contextRef="FI2017Q4_us-gaap_GuaranteeObligationsByNatureAxis_us-gaap_FinancialGuaranteeMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">56.3</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, and are expected to mature in 2023. Tesoro agreed to indemnify Centennial for any losses and litigation expenses arising from the guarantee. The estimated fair values of the indemnity asset and guarantee liability are reflected in deferred charges and other assets - other and deferred credits and other liabilities - other, respectively, on the Consolidated Balance Sheets. Continuation of the guarantee was required as a condition to the sale of Dakota Prairie Refining.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In March 2016, a sale agreement was signed to sell Fidelity's assets in the Paradox Basin. In connection with the sale, Centennial agreed to guarantee Fidelity's indemnity obligations associated with the Paradox Basin assets. The guarantee was required by the buyer as a condition to the sale of the Paradox Basin assets.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In 2009, multiple sale agreements were signed to sell the Company's ownership interests in the Brazilian Transmission Lines. In connection with the sale, Centennial has agreed to guarantee payment of any indemnity obligations of certain of the Company's indirect wholly owned subsidiaries who are the sellers in three purchase and sale agreements for periods ranging up to 10&#160;years from the date of sale. The guarantees were required by the buyers as a condition to the sale of the Brazilian Transmission Lines.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Certain subsidiaries of the Company have outstanding guarantees to third parties that guarantee the performance of other subsidiaries of the Company. These guarantees are related to construction contracts, insurance deductibles and loss limits, and certain other guarantees. At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the fixed maximum amounts guaranteed under these agreements aggregated </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8064985e2015-wk-Fact-6AED154BED2BE9A95998F94C9C80BD66" name="us-gaap:GuaranteeObligationsMaximumExposure" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">108.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. The amounts of scheduled expiration of the maximum amounts guaranteed under these agreements aggregate </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8064985e2019-wk-Fact-497B235E41A3E813F8F1F94C9C8066C8" name="mdu:FixedMaximumAmountsGuaranteedByYearOne" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">6.4</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e2027-wk-Fact-E8EFACC620B10B668720F94C9C803C07" name="mdu:FixedMaximumAmountsGuaranteedByYearTwo" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">25.9</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2019</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8064985e2036-wk-Fact-00EB063CC3D9A4ABCBBBF94C9CCE40A0" name="mdu:FixedMaximumAmountsGuaranteedByYearThree" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">68.7</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2020</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e2044-wk-Fact-6868F33FE0859073CCB5686B75E6EC32" name="mdu:FixedMaximumAmountsGuaranteedByYearFour" contextRef="FI2017Q4" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">500,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2021</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e2052-wk-Fact-80EA0CBBA3070AB3C751686CE23F3C9F" name="mdu:FixedMaximumAmountsGuaranteedByYearFive" contextRef="FI2017Q4" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">500,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2022</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e2061-wk-Fact-FD64405D800C96A91506686D9EAEC5F2" name="mdu:FixedMaximumAmountsGuaranteedThereafter" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">2.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> thereafter; and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e2065-wk-Fact-55A520B76A44B6AD8953F94C9C909DAE" name="mdu:FixedMaximumAmountsGuaranteedByYearNoMaturityDate" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">4.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, which has no scheduled maturity date. There were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span><ix:nonFraction id="d8064985e2069-wk-Fact-9C1420F98141B312EF20F94C9CCE5480" name="mdu:AmountOutstandingUnderGuaranteesThatIsReflectedOnBalanceSheet" contextRef="FI2017Q4" unitRef="usd" decimals="0" scale="0" format="ixt-sec:numwordsen">no</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> amounts outstanding under the above guarantees at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. In the event of default under these guarantee obligations, the subsidiary issuing the guarantee for that particular obligation would be required to make payments under its guarantee. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Certain subsidiaries have outstanding letters of credit to third parties related to insurance policies and other agreements, some of which are guaranteed by other subsidiaries of the Company. At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the fixed maximum amounts guaranteed under these letters of credit aggregated </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8064985e2084-wk-Fact-27E379988972E930562EF94C9CDED48C" name="mdu:LettersofCreditSettoExpireinNextFiscalYear" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">34.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, all of which expire in 2018. There were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span><ix:nonFraction id="d8064985e2088-wk-Fact-751D9F88ACB4700A0305F94C9C9F4923" name="us-gaap:LettersOfCreditOutstandingAmount" contextRef="FI2017Q4" unitRef="usd" decimals="0" scale="0" format="ixt-sec:numwordsen">no</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> amounts outstanding under the above letters of credit at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. In the event of default under these letter of credit obligations, the subsidiary issuing the letter of credit for that particular obligation would be required to make payments under its letter of credit.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In addition, Centennial, Knife River and MDU Construction Services have issued guarantees to third parties related to the routine purchase of maintenance items, materials and lease obligations for which no fixed maximum amounts have been specified. These guarantees have no scheduled maturity date. In the event a subsidiary of the Company defaults under these obligations, Centennial, Knife River and MDU Construction Services would be required to make payments under these guarantees. Any amounts outstanding by subsidiaries of the Company for these guarantees were reflected on the Consolidated Balance Sheet at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In the normal course of business, Centennial has surety bonds related to construction contracts and reclamation obligations of its subsidiaries. In the event a subsidiary of Centennial does not fulfill a bonded obligation, Centennial would be responsible to the surety bond company for completion of the bonded contract or obligation. A large portion of the surety bonds is expected to expire within the next 12&#160;months; however, Centennial will likely continue to enter into surety bonds for its subsidiaries in the future. As of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8064985e2110-wk-Fact-3375C5E97882BF1A2E0AF94C9C802AAB" name="mdu:AmountOfSuretyBondsOutstanding" contextRef="FI2017Q4" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">616.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of surety bonds were outstanding, which were not reflected on the Consolidated Balance Sheet.</span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">99</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><ix:continuation id="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-5" continuedAt="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-6"><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Variable interest entities</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company evaluates its arrangements and contracts with other entities to determine if they are VIEs and if so, if the Company is the primary beneficiary. For more information, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">1</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Fuel Contract</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Coyote Station entered into a coal supply agreement with Coyote Creek that provides for the purchase of coal necessary to supply the coal requirements of the Coyote Station for the period May 2016 through December 2040. Coal purchased under the coal supply agreement is reflected in inventories on the Company's Consolidated Balance Sheets and is recovered from customers as a component of electric fuel and purchased power.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The coal supply agreement creates a variable interest in Coyote Creek due to the transfer of all operating and economic risk to the Coyote Station owners, as the agreement is structured so that the price of the coal will cover all costs of operations as well as future reclamation costs. The Coyote Station owners are also providing a guarantee of the value of the assets of Coyote Creek as they would be required to buy the assets at book value should they terminate the contract prior to the end of the contract term and are providing a guarantee of the value of the equity of Coyote Creek in that they are required to buy the entity at the end of the contract term at equity value. Although the Company has determined that Coyote Creek is a VIE, the Company has concluded that it is not the primary beneficiary of Coyote Creek because the authority to direct the activities of the entity is shared by the four unrelated owners of the Coyote Station, with no primary beneficiary existing. As a result, Coyote Creek is not required to be consolidated in the Company's financial statements.</span></div></ix:continuation><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><ix:continuation id="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-6" continuedAt="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-7"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company's exposure to loss as a result of the Company's involvement with the VIE, based on the Company's ownership percentage was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064985e2150-wk-Fact-C07ED46629D9A6B90EEDF94C9C9F06B5" name="us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount" contextRef="FI2017Q4_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_mdu_FuelContractMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">40.8</ix:nonFraction>&#160;million</span></span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-7">.</ix:continuation></span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">100</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s3A6C4D8DB5EB5809AF964D271AEA9CC0"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:QuarterlyFinancialInformationTextBlock" id="TextSelection-31D684794B5F9EC0BB33F94C9CFD972C-0-wk-Fact-D163DB6ED630731066B9F94C9CCE2E9E" continuedAt="TextSelection-31D684794B5F9EC0BB33F94C9CFD972C-1" escape="true">Supplementary Financial Information</ix:nonNumeric></span></div><ix:continuation id="TextSelection-31D684794B5F9EC0BB33F94C9CFD972C-1" continuedAt="TextSelection-31D684794B5F9EC0BB33F94C9CFD972C-2"><div style="line-height:120%;padding-top:0px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Quarterly Data (Unaudited)</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock" id="TextSelection-8F9737A883A2599AEFB1F94C9CFD7CF7-0-wk-Fact-D9723B3719E2BFAB6E3BF94C9CDE9C57" continuedAt="TextSelection-8F9737A883A2599AEFB1F94C9CFD7CF7-1" escape="true">The following unaudited information shows selected items by quarter for the years </ix:nonNumeric></span><ix:continuation id="TextSelection-8F9737A883A2599AEFB1F94C9CFD7CF7-1" continuedAt="TextSelection-8F9737A883A2599AEFB1F94C9CFD7CF7-2"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">: </span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"></td></tr><tr><td style="width:48%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">First</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quarter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Second</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quarter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Third</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quarter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fourth</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quarter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands, except per share amounts)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;text-decoration:underline;">2017</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1418-wk-Fact-01283EAA82F9D444DC85F94C9CCE8227" name="us-gaap:Revenues" contextRef="FD2017Q1QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">937,925</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1432-wk-Fact-D54BD02C281317B6371BF94C9CCE31FD" name="us-gaap:Revenues" contextRef="FD2017Q2QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,067,639</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1446-wk-Fact-C116C1155FE8DD2708D1F94C9CCEE45A" name="us-gaap:Revenues" contextRef="FD2017Q3QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,272,548</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1461-wk-Fact-3739112EC6EAA90777B2F94C9CCE1828" name="us-gaap:Revenues" contextRef="FD2017Q4QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,165,239</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1476-wk-Fact-EC2C6EF109F57DD6821DF94C9CCEAF35" name="us-gaap:OperatingExpenses" contextRef="FD2017Q1QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">870,813</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1490-wk-Fact-B6D600146A88708CD6D6F94C9CCE8631" name="us-gaap:OperatingExpenses" contextRef="FD2017Q2QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">987,960</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1504-wk-Fact-8A8ED9B57F00BD71C7BBF94C9CCEE8CC" name="us-gaap:OperatingExpenses" contextRef="FD2017Q3QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,116,171</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1518-wk-Fact-5FC5364C79B2ABE14A5AF94C9CCE832D" name="us-gaap:OperatingExpenses" contextRef="FD2017Q4QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,039,695</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1539-wk-Fact-82C12D42DB67E6A377FCF94C9CCE030B" name="us-gaap:OperatingIncomeLoss" contextRef="FD2017Q1QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">67,112</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1553-wk-Fact-D0DDE05F2436BCF270AEF94C9CCEC177" name="us-gaap:OperatingIncomeLoss" contextRef="FD2017Q2QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">79,679</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1567-wk-Fact-150215672F647FD6A21DF94C9CCEA1EB" name="us-gaap:OperatingIncomeLoss" contextRef="FD2017Q3QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">156,377</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1581-wk-Fact-15B831AFCC65C7133467F94C9CCEDC79" name="us-gaap:OperatingIncomeLoss" contextRef="FD2017Q4QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">125,544</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income from continuing operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1602-wk-Fact-F58085D52496CB3AEF7AF94C9CAF2AD5" name="us-gaap:IncomeLossFromContinuingOperations" contextRef="FD2017Q1QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">35,638</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1616-wk-Fact-718DB525B3EB96CFFB5EF94C9CCE9623" name="us-gaap:IncomeLossFromContinuingOperations" contextRef="FD2017Q2QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">44,405</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1630-wk-Fact-E10AA6F09E472927E52FF94C9CBFDFDE" name="us-gaap:IncomeLossFromContinuingOperations" contextRef="FD2017Q3QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">89,549</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1644-wk-Fact-58B038F17AE2B74FCAC8F94C9CCE0C78" name="us-gaap:IncomeLossFromContinuingOperations" contextRef="FD2017Q4QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">115,394</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income (loss) from discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1665-wk-Fact-9A9A5C8F65862F3A948CF94C9CCE192C" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="FD2017Q1QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,687</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8064185e1679-wk-Fact-0ADCB8F4A2E939807C8BF94C9CCE844B" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="FD2017Q2QTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,190</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8064185e1694-wk-Fact-17BAD6E4EE34CED4BD4AF94C9CCE13FE" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="FD2017Q3QTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">2,198</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8064185e1709-wk-Fact-888A8C114E5649914707F94C9CCEBBDB" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="FD2017Q4QTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">82</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net income attributable to the Company</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1731-wk-Fact-DDABBD17BC31B84BD89CF94C9CCE92B3" name="us-gaap:NetIncomeLoss" contextRef="FD2017Q1QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">37,325</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1745-wk-Fact-4E8D0D5ED566E365070AF94C9CCE97D4" name="us-gaap:NetIncomeLoss" contextRef="FD2017Q2QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">41,215</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1759-wk-Fact-0BF969480D183FF912EEF94C9CCE6DEA" name="us-gaap:NetIncomeLoss" contextRef="FD2017Q3QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">87,351</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1773-wk-Fact-5C99569C9BBE82533596F94C9CCE1F40" name="us-gaap:NetIncomeLoss" contextRef="FD2017Q4QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">115,312</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings per common share - basic:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings before discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1858-wk-Fact-617A18D8276B3EB36181F94C9CCE9C8C" name="us-gaap:IncomeLossFromContinuingOperationsPerBasicShare" contextRef="FD2017Q1QTD" unitRef="usdPerShare" decimals="2" scale="0">.18</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1872-wk-Fact-79DB9E6B0718C9E314ECF94C9CCE9542" name="us-gaap:IncomeLossFromContinuingOperationsPerBasicShare" contextRef="FD2017Q2QTD" unitRef="usdPerShare" decimals="2" scale="0">.22</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1886-wk-Fact-1A97E5A960B5E1C8B6A5F94C9CBF81C7" name="us-gaap:IncomeLossFromContinuingOperationsPerBasicShare" contextRef="FD2017Q3QTD" unitRef="usdPerShare" decimals="2" scale="0">.46</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1900-wk-Fact-A347C25A4F3681171D7DF94C9CCEFB9B" name="us-gaap:IncomeLossFromContinuingOperationsPerBasicShare" contextRef="FD2017Q4QTD" unitRef="usdPerShare" decimals="2" scale="0">.59</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1922-wk-Fact-5D293D6DA06690924F7DF94C9CCE6BF9" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare" contextRef="FD2017Q1QTD" unitRef="usdPerShare" decimals="2" scale="0">.01</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8064185e1936-wk-Fact-79B271743BE00BB29E6CF94C9CCE8297" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare" contextRef="FD2017Q2QTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.01</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8064185e1951-wk-Fact-A41902B24CC87C4BEA71F94C9CCE6191" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare" contextRef="FD2017Q3QTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.01</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1966-wk-Fact-DEFFBFCEA1D92084F073F94C9CCE2A02" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare" contextRef="FD2017Q4QTD" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings per common share - basic</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e1987-wk-Fact-7420EB582219CC72C638F94C9CCECEF2" name="us-gaap:EarningsPerShareBasic" contextRef="FD2017Q1QTD" unitRef="usdPerShare" decimals="2" scale="0">.19</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2001-wk-Fact-BBC36CEB8931DD1B63BEF94C9CCEA9EB" name="us-gaap:EarningsPerShareBasic" contextRef="FD2017Q2QTD" unitRef="usdPerShare" decimals="2" scale="0">.21</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2015-wk-Fact-E0F2300CBA8F7742F1A6F94C9CCE7417" name="us-gaap:EarningsPerShareBasic" contextRef="FD2017Q3QTD" unitRef="usdPerShare" decimals="2" scale="0">.45</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2029-wk-Fact-2674199BF203EB65B5A1F94C9CCEA3D1" name="us-gaap:EarningsPerShareBasic" contextRef="FD2017Q4QTD" unitRef="usdPerShare" decimals="2" scale="0">.59</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings per common share - diluted:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings before discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2114-wk-Fact-C8CA5CD31BD2922FF5AAF94C9CCE218C" name="us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare" contextRef="FD2017Q1QTD" unitRef="usdPerShare" decimals="2" scale="0">.18</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2128-wk-Fact-1B9A85E3C3FBAD7C6665F94C9CCE2253" name="us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare" contextRef="FD2017Q2QTD" unitRef="usdPerShare" decimals="2" scale="0">.22</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2142-wk-Fact-D0B9A0D7DDA13562FF8CF94C9CCEBB59" name="us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare" contextRef="FD2017Q3QTD" unitRef="usdPerShare" decimals="2" scale="0">.46</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2156-wk-Fact-234D95B1EA86F029C7CDF94C9CCEA416" name="us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare" contextRef="FD2017Q4QTD" unitRef="usdPerShare" decimals="2" scale="0">.59</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2177-wk-Fact-46201DB4EB1C2EFD2FEAF94C9CAF0C80" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare" contextRef="FD2017Q1QTD" unitRef="usdPerShare" decimals="2" scale="0">.01</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8064185e2191-wk-Fact-C7B3307420D424B9FCC7F94C9CCE24BD" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare" contextRef="FD2017Q2QTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.01</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8064185e2206-wk-Fact-66B04D24033F414A7646F94C9CCE62C6" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare" contextRef="FD2017Q3QTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.01</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2221-wk-Fact-98B30833CF850CF1174FF94C9CCE0F4E" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare" contextRef="FD2017Q4QTD" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings per common share - diluted</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2242-wk-Fact-ED5D4679DEE2B4B77FA5F94C9CCE77B0" name="us-gaap:EarningsPerShareDiluted" contextRef="FD2017Q1QTD" unitRef="usdPerShare" decimals="2" scale="0">.19</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2256-wk-Fact-DC97BE7E3A3D9A75A828F94C9CBFEC0B" name="us-gaap:EarningsPerShareDiluted" contextRef="FD2017Q2QTD" unitRef="usdPerShare" decimals="2" scale="0">.21</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2270-wk-Fact-A28F23A7C5B15CA5FC08F94C9CCE861A" name="us-gaap:EarningsPerShareDiluted" contextRef="FD2017Q3QTD" unitRef="usdPerShare" decimals="2" scale="0">.45</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2284-wk-Fact-5294034071C9D4A6B9FFF94C9CCEE3B4" name="us-gaap:EarningsPerShareDiluted" contextRef="FD2017Q4QTD" unitRef="usdPerShare" decimals="2" scale="0">.59</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average common shares outstanding:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Basic</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2369-wk-Fact-D43531EFB10A2015DF17F94C9CCE6AB9" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="FD2017Q1QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,304</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2383-wk-Fact-14BA6676D3ED5BDAE427F94C9CCE7AAB" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="FD2017Q2QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,304</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2397-wk-Fact-2BEFB8207EB2B3AEEE17F94C9CCE94A3" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="FD2017Q3QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,304</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2411-wk-Fact-60EF914DA93EF0821BBBF94C9CCE8B6C" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="FD2017Q4QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,304</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Diluted</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2432-wk-Fact-3DEC6203340F839B3CE1F94C9CAFA46D" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="FD2017Q1QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">196,023</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2446-wk-Fact-D77B8D0259A111EAB2D3F94C9CCE34CA" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="FD2017Q2QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,973</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2460-wk-Fact-4E6764AE219B5F378154F94C9CCE5FE2" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="FD2017Q3QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,783</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8064185e2474-wk-Fact-A78F7159AE39852B6287F94C9CCE0468" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="FD2017Q4QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,617</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;text-decoration:underline;">2016</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2631-wk-Fact-90EF2DC5BBA8D6060653F94C9CCEE167" name="us-gaap:Revenues" contextRef="FD2016Q1QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">860,214</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2645-wk-Fact-E5FDEC4EB4CB7F186374F94C9CCEE33F" name="us-gaap:Revenues" contextRef="FD2016Q2QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,043,948</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2659-wk-Fact-4776C698D230AE74757FF94C9CCECE09" name="us-gaap:Revenues" contextRef="FD2016Q3QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,208,567</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2674-wk-Fact-7B454E3B68AC1110B3E0F94C9CCE11B3" name="us-gaap:Revenues" contextRef="FD2016Q4QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,016,099</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2689-wk-Fact-71BC6D3A680E6959C390F94C9CCEC4C1" name="us-gaap:OperatingExpenses" contextRef="FD2016Q1QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">798,229</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2703-wk-Fact-D840E59C99B574AEBC37F94C9CCEF366" name="us-gaap:OperatingExpenses" contextRef="FD2016Q2QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">954,983</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2717-wk-Fact-4B683CD7A9B1DA008640F94C9CCE3749" name="us-gaap:OperatingExpenses" contextRef="FD2016Q3QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,061,883</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2731-wk-Fact-022A5A969410DF86E482F94C9CCE47BE" name="us-gaap:OperatingExpenses" contextRef="FD2016Q4QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">904,613</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2752-wk-Fact-5A91D0A37064D8A96C72F94C9CCE7304" name="us-gaap:OperatingIncomeLoss" contextRef="FD2016Q1QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">61,985</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2766-wk-Fact-BBA0A18E9179AC8539D8F94C9CCEC37A" name="us-gaap:OperatingIncomeLoss" contextRef="FD2016Q2QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">88,965</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2780-wk-Fact-CC5F34B25BE54F881E5FF94C9CCEF7C8" name="us-gaap:OperatingIncomeLoss" contextRef="FD2016Q3QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">146,684</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2794-wk-Fact-4BD0F1E264E061A6D1AEF94C9CCE86C6" name="us-gaap:OperatingIncomeLoss" contextRef="FD2016Q4QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">111,486</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income from continuing operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2815-wk-Fact-D3C096CCB85C4F7634B4F94C9CBF0C7A" name="us-gaap:IncomeLossFromContinuingOperations" contextRef="FD2016Q1QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">31,865</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2829-wk-Fact-74BA74A5F5797550735DF94C9CCE9965" name="us-gaap:IncomeLossFromContinuingOperations" contextRef="FD2016Q2QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">46,298</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2843-wk-Fact-90526AEA4062C912360DF94C9CCE423F" name="us-gaap:IncomeLossFromContinuingOperations" contextRef="FD2016Q3QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">88,386</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2857-wk-Fact-06DA5A6ECFDD09AD0E87F94C9CCEC28D" name="us-gaap:IncomeLossFromContinuingOperations" contextRef="FD2016Q4QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">66,547</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8064185e2878-wk-Fact-9E7F8FC6752435F17E5EF94C9CCE1962" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="FD2016Q1QTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">6,996</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8064185e2893-wk-Fact-C366F9D63BCACBFD44D0F94C9CCEE8D4" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="FD2016Q2QTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">155,451</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8064185e2908-wk-Fact-5BE344BB7C9A8E221E08F94C9CCE65CE" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="FD2016Q3QTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">5,400</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8064185e2923-wk-Fact-344BE5EE2BB54A6A4629F94C9CCE4C52" name="us-gaap:IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity" contextRef="FD2016Q4QTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">816</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net income (loss) attributable to the Company</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2945-wk-Fact-4C2AD0C8276589B9B784F94C9CCE5FD2" name="us-gaap:NetIncomeLoss" contextRef="FD2016Q1QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">24,869</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8064185e2959-wk-Fact-DF796B9E8F19453AC112F94C9CCE65E2" name="us-gaap:NetIncomeLoss" contextRef="FD2016Q2QTD" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">109,153</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2974-wk-Fact-924D0A5515A32659F8A6F94C9CCED2BD" name="us-gaap:NetIncomeLoss" contextRef="FD2016Q3QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">82,986</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e2988-wk-Fact-33E1F2579B117E386020F94C9CCE4C5B" name="us-gaap:NetIncomeLoss" contextRef="FD2016Q4QTD" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">65,731</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - basic:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings before discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3072-wk-Fact-C0E81665448BFFD08CCFF94C9CCEBF5C" name="us-gaap:IncomeLossFromContinuingOperationsPerBasicShare" contextRef="FD2016Q1QTD" unitRef="usdPerShare" decimals="2" scale="0">.16</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3086-wk-Fact-4BBF40423F843514685FF94C9CCE540C" name="us-gaap:IncomeLossFromContinuingOperationsPerBasicShare" contextRef="FD2016Q2QTD" unitRef="usdPerShare" decimals="2" scale="0">.24</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3100-wk-Fact-674F5E073970602121B8F94C9CCEDFE0" name="us-gaap:IncomeLossFromContinuingOperationsPerBasicShare" contextRef="FD2016Q3QTD" unitRef="usdPerShare" decimals="2" scale="0">.45</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3114-wk-Fact-143B665D646CE2E00CCFF94C9CAFACC4" name="us-gaap:IncomeLossFromContinuingOperationsPerBasicShare" contextRef="FD2016Q4QTD" unitRef="usdPerShare" decimals="2" scale="0">.34</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8064185e3135-wk-Fact-63B9D9F41C0C8400C0C6F94C9CCE925F" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare" contextRef="FD2016Q1QTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.03</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8064185e3150-wk-Fact-B7031E38F0662D05773CF94C9CCE0FE0" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare" contextRef="FD2016Q2QTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.80</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8064185e3165-wk-Fact-9F2DFE5CAAC16225CC9CF94C9CCE775D" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare" contextRef="FD2016Q3QTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.03</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3180-wk-Fact-010741A6E2092122725FF94C9CCEC71F" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare" contextRef="FD2016Q4QTD" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - basic</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3201-wk-Fact-D70F189AE25539A10CD9F94C9CCE6CA3" name="us-gaap:EarningsPerShareBasic" contextRef="FD2016Q1QTD" unitRef="usdPerShare" decimals="2" scale="0">.13</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8064185e3215-wk-Fact-0844D067F70B3B253D03F94C9CCEEDD3" name="us-gaap:EarningsPerShareBasic" contextRef="FD2016Q2QTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.56</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3230-wk-Fact-31DF73AA4A14B1E0849DF94C9CCE942B" name="us-gaap:EarningsPerShareBasic" contextRef="FD2016Q3QTD" unitRef="usdPerShare" decimals="2" scale="0">.42</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3244-wk-Fact-A10CAF06055D5B9A3BC7F94C9CCE4A37" name="us-gaap:EarningsPerShareBasic" contextRef="FD2016Q4QTD" unitRef="usdPerShare" decimals="2" scale="0">.34</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - diluted:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings before discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3329-wk-Fact-1250749B6BA37762A6A6F94C9CCE940E" name="us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare" contextRef="FD2016Q1QTD" unitRef="usdPerShare" decimals="2" scale="0">.16</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3343-wk-Fact-EF4DC5FD52D2833867E0F94C9CCE0679" name="us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare" contextRef="FD2016Q2QTD" unitRef="usdPerShare" decimals="2" scale="0">.24</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3357-wk-Fact-81E94591E86AC5B932A1F94C9CCEBB1B" name="us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare" contextRef="FD2016Q3QTD" unitRef="usdPerShare" decimals="2" scale="0">.45</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3371-wk-Fact-B6A89FD6A1368002BEE1F94C9CCE1FCF" name="us-gaap:IncomeLossFromContinuingOperationsPerDilutedShare" contextRef="FD2016Q4QTD" unitRef="usdPerShare" decimals="2" scale="0">.33</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8064185e3392-wk-Fact-C6C5F8CBCB192340D9D0F94C9CCE34D6" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare" contextRef="FD2016Q1QTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.03</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8064185e3407-wk-Fact-BD6EF5BE30D9C341A96AF94C9CBF180A" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare" contextRef="FD2016Q2QTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.80</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8064185e3422-wk-Fact-072AAF8A74459A17164EF94C9CBFD75A" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare" contextRef="FD2016Q3QTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.03</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3437-wk-Fact-C5D386C2B8064B37538DF94C9CCE3D91" name="us-gaap:DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare" contextRef="FD2016Q4QTD" unitRef="usdPerShare" decimals="2" scale="0" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - diluted</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3458-wk-Fact-4FE1623CF42146A67632F94C9CCEBC4F" name="us-gaap:EarningsPerShareDiluted" contextRef="FD2016Q1QTD" unitRef="usdPerShare" decimals="2" scale="0">.13</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8064185e3472-wk-Fact-520AEE7A8A0E1FFDD400F94C9CCE05CC" name="us-gaap:EarningsPerShareDiluted" contextRef="FD2016Q2QTD" unitRef="usdPerShare" decimals="2" scale="0" sign="-">.56</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3487-wk-Fact-85BB9D27A463624A7E57F94C9CCEB78B" name="us-gaap:EarningsPerShareDiluted" contextRef="FD2016Q3QTD" unitRef="usdPerShare" decimals="2" scale="0">.42</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3501-wk-Fact-00B6C21CA875B293B871F94C9CCE6240" name="us-gaap:EarningsPerShareDiluted" contextRef="FD2016Q4QTD" unitRef="usdPerShare" decimals="2" scale="0">.33</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average common shares outstanding:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Basic</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3585-wk-Fact-15E746036387FDCC52DEF94C9CCEEA41" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="FD2016Q1QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,284</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3599-wk-Fact-CFA9BF0063ED1C2C4C59F94C9CCE38C3" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="FD2016Q2QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,304</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3613-wk-Fact-16B249F1376F33CA8476F94C9CCEE58F" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="FD2016Q3QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,304</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3627-wk-Fact-E4C1FB5A89133FCA3292F94C9CCE2CD5" name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="FD2016Q4QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,304</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Diluted</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3648-wk-Fact-30DCBCB13001F554A4B2F94C9CAFD62A" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="FD2016Q1QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,284</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3662-wk-Fact-1BA951DCD6C7DA92200CF94C9CAF8A50" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="FD2016Q2QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,699</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3676-wk-Fact-3C65673BA4A56D94CF35F94C9CCE9C26" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="FD2016Q3QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,811</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8064185e3690-wk-Fact-D6D3188D9A8E961B7A44F94C9CCE53E4" name="us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding" contextRef="FD2016Q4QTD" unitRef="shares" decimals="-3" scale="3" format="ixt:numdotdecimal">195,889</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></ix:continuation></div><ix:continuation id="TextSelection-8F9737A883A2599AEFB1F94C9CFD7CF7-2" continuedAt="TextSelection-8F9737A883A2599AEFB1F94C9CFD7CF7-3"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> Notes:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:12px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Fourth quarter 2016 reflects a reduction to a previously recorded MEPP withdrawal liability of </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064185e3729-wk-Fact-F0F4B8ABA8BDD7781F19F94C9CCE8CDA" name="us-gaap:LossContingencyAccrualCarryingValuePeriodIncreaseDecrease" contextRef="FD2016Q4QTD_us-gaap_LossContingenciesByNatureOfContingencyAxis_us-gaap_WithdrawalFromMultiemployerDefinedBenefitPlanMember_us-gaap_MultiemployerPlanNameAxis_mdu_OperatingEngineersLocal800AndWyContractorsAssociationPensionPlanForWyMember" unitRef="usd" decimals="-5" scale="6" sign="-" format="ixt:numdotdecimal">11.1</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> (before tax). For more information, see Note&#160;</span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:12px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">First quarter 2016 has been recast to present the results of operations of Dakota Prairie Refining as discontinued operations, other than certain general and administrative costs and interest expense which were previously allocated to the former refining segment and do not meet the criteria for income (loss) from discontinued operations.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:12px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Fourth quarter 2017 reflects an income tax benefit of </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>$<ix:nonFraction id="d8064185e3751-wk-Fact-2867A94A75CF6B87C007786BEC0ED650" name="us-gaap:IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability" contextRef="FD2017Q4QTD" unitRef="usd" decimals="-5" scale="6" sign="-" format="ixt:numdotdecimal">39.5</ix:nonFraction> million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> related to the TCJA. For more information, see Note </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;text-transform:default;">11</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></ix:continuation></ix:continuation><div style="line-height:120%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-31D684794B5F9EC0BB33F94C9CFD972C-2"><ix:continuation id="TextSelection-8F9737A883A2599AEFB1F94C9CFD7CF7-3"></ix:continuation>Certain Company operations are highly seasonal and revenues from and certain expenses for such operations may fluctuate significantly among quarterly periods. Accordingly, quarterly financial information may not be indicative of results for a full year.</ix:continuation></span></div><div><a id="s0D365ACA5EAD5AAEA5C72C60B1620219"></a></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"><ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:OilAndGasExplorationAndProductionIndustriesDisclosuresTextBlock" id="TextSelection-B42FB5FCDF25971F55BDF94C9CFDA868-0-wk-Fact-C586D658C91F1B87869EF94C9C90A256" continuedAt="TextSelection-B42FB5FCDF25971F55BDF94C9CFDA868-1" escape="true">Exploration and Production Activities (Unaudited)</ix:nonNumeric></span></div><ix:continuation id="TextSelection-B42FB5FCDF25971F55BDF94C9CFDA868-1" continuedAt="TextSelection-B42FB5FCDF25971F55BDF94C9CFDA868-2"><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In the second quarter of 2015, the Company began the marketing and sale process of Fidelity with an anticipated sale to occur within one year. </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Between September 2015 and March 2016, the Company entered into purchase and sale agreements to sell substantially all of </span></div></ix:continuation><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">101</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><ix:continuation id="TextSelection-B42FB5FCDF25971F55BDF94C9CFDA868-2" continuedAt="TextSelection-B42FB5FCDF25971F55BDF94C9CFDA868-3"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Fidelity's oil and natural gas assets. The completion of these sales occurred between October 2015 and April 2016.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Prior to the asset sales, Fidelity was significantly involved in the development and production of oil and natural gas resources. Upon the completion of the asset sales, the Company had no remaining proved oil, NGL or natural gas reserves. At the time the Company committed to a plan to sell Fidelity, the Company stopped the use of the full-cost method of accounting for its oil and natural gas production activities. The assets and liabilities were classified as held for sale and the results of operations included in income (loss) from discontinued operations, other than certain general and administrative costs and interest expense which do not meet the criteria for income (loss) from discontinued operations. For more information, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-B42FB5FCDF25971F55BDF94C9CFDA868-3">.</ix:continuation></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">102</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s6FFB765687EA5B46A1F7355408A565C7"></a></div><div style="font-family:Times New 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style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Definitions</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10.5pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:29%;"></td><td style="width:71%;"></td></tr><tr><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">The following abbreviations and acronyms used in Notes to Consolidated Financial Statements are defined below:</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-top:4px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;font-weight:bold;">Abbreviation or Acronym</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">AFUDC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Allowance for funds used during construction</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Andeavor Field Services LLC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Formerly QEP Field Services, LLC doing business as Tesoro Logistics Rockies LLC</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">ASC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">FASB Accounting Standards Codification</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">ATBs</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Atmospheric tower bottoms</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Big Stone Station</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">475-MW coal-fired electric generating facility near Big Stone City, South Dakota (22.7&#160;percent ownership)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Brazilian Transmission Lines</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Company's former investment in companies owning three electric transmission lines in Brazil</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Calumet</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Calumet Specialty Products Partners, L.P.</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Capital Electric</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Capital Electric Construction Company, Inc., a direct wholly owned subsidiary of MDU Construction Services</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Cascade</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Cascade Natural Gas Corporation, an indirect wholly owned subsidiary of MDU Energy Capital</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Centennial</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Centennial Energy Holdings, Inc., a direct wholly owned subsidiary of the Company</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Centennial Capital</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Centennial Holdings Capital LLC, a direct wholly owned subsidiary of Centennial</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Centennial's Consolidated EBITDA</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Centennial's consolidated net income from continuing operations plus the related interest expense, taxes, depreciation, depletion, amortization of intangibles and any non-cash charge relating to asset impairment for the preceding 12-month period</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Centennial Resources</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Centennial Energy Resources LLC, a direct wholly owned subsidiary of Centennial</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Company</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Resources Group, Inc.</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Coyote Creek</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Coyote Creek Mining Company, LLC, a subsidiary of The North American Coal Corporation</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Coyote Station</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">427-MW coal-fired electric generating facility near Beulah, North Dakota (25&#160;percent ownership)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Dakota Prairie Refinery</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">20,000-barrel-per-day diesel topping plant built by Dakota Prairie Refining in southwestern North Dakota</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Dakota Prairie Refining</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Dakota Prairie Refining, LLC, a limited liability company previously owned by WBI Energy and Calumet (previously included in the Company's refining segment)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">EBITDA</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Earnings before interest, taxes, depreciation, depletion and amortization</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">EIN</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Employer Identification Number</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">EPA</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">United States Environmental Protection Agency</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">FASB</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Financial Accounting Standards Board</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">FERC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Federal Energy Regulatory Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Fidelity</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Fidelity Exploration &amp; Production Company, a direct wholly owned subsidiary of WBI Holdings (previously referred to as the Company's exploration and production segment)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">FIP</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Funding improvement plan</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">GAAP</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Accounting principles generally accepted in the United States of America</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Great Plains</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Great Plains Natural Gas Co., a public utility division of the Company</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">IBEW</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">International Brotherhood of Electrical Workers</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">IFRS</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">International Financial Reporting Standards</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Intermountain</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Intermountain Gas Company, an indirect wholly owned subsidiary of MDU Energy Capital</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">IPUC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Idaho Public Utilities Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Knife River</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Knife River Corporation, a direct wholly owned subsidiary of Centennial</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Knife River - Northwest</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Knife River Corporation - Northwest, an indirect wholly owned subsidiary of Knife River</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">K-Plan</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Company's 401(k) Retirement Plan</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">LWG</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Lower Willamette Group</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MDU Construction Services</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Construction Services Group, Inc., a direct wholly owned subsidiary of Centennial</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MDU Energy Capital</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Energy Capital, LLC, a direct wholly owned subsidiary of the Company</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MEPP</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Multiemployer pension plan</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MISO</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Midcontinent Independent System Operator, Inc.</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MNPUC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Minnesota Public Utilities Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Montana-Dakota</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Montana-Dakota Utilities Co., a public utility division of the Company</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MTPSC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Montana Public Service Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">MW</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Megawatt</span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">103</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:29%;"></td><td style="width:71%;"></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">NDPSC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">North Dakota Public Service Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">NGL</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Natural gas liquids</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Oil</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Includes crude oil and condensate</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">OPUC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Oregon Public Utility Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Oregon DEQ</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Oregon State Department of Environmental Quality</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Pronghorn</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Natural gas processing plant located near Belfield, North Dakota (WBI Energy Midstream's 50&#160;percent ownership interests were sold effective January 1, 2017)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">PRP</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Potentially Responsible Party</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">ROD</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Record of Decision</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">RP</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Rehabilitation plan</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">SDPUC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">South Dakota Public Utilities Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">SEC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">United States Securities and Exchange Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">SEC Defined Prices</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">The average price of oil and natural gas during the applicable 12-month period, determined as an unweighted arithmetic average of the first-day-of-the-month price for each month within such period, unless prices are defined by contractual arrangements, excluding escalations based upon future conditions</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">SSIP</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">System Safety and Integrity Program</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Stock Purchase Plan</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Company's Dividend Reinvestment and Direct Stock Purchase Plan which was terminated effective December&#160;5, 2016</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">TCJA</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Tax Cuts and Jobs Act</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Tesoro</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Tesoro Refining &amp; Marketing Company LLC</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">VIE</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Variable interest entity</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Washington DOE</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Washington State Department of Ecology</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">WBI Energy</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">WBI Energy, Inc., a direct wholly owned subsidiary of WBI Holdings</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">WBI Energy Midstream</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">WBI Energy Midstream, LLC, an indirect wholly owned subsidiary of WBI Holdings</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">WBI Energy Transmission</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:start;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">WBI Energy Transmission, Inc., an indirect wholly owned subsidiary of WBI Holdings</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">WBI Holdings</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">WBI Holdings, Inc., a direct wholly owned subsidiary of Centennial</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">WUTC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Washington Utilities and Transportation Commission</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">Wygen III</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">100-MW coal-fired electric generating facility near Gillette, Wyoming (25&#160;percent ownership)</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">WYPSC</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Wyoming Public Service Commission</span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">104</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s98BA6DC5F0185151AAA1D46F47D4B8F7"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part II</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Item&#160;9. Changes in and Disagreements With Accountants on Accounting and Financial Disclosure</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">None.</span></div><div><a id="sF89894186FB555D5AEC99824F561A85F"></a></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Item&#160;9A. Controls and Procedures</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following information includes the evaluation of disclosure controls and procedures by the Company's chief executive officer and the chief financial officer, along with any significant changes in internal controls of the Company.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Evaluation of Disclosure Controls and Procedures</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The term "disclosure controls and procedures" is defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act. The Company's disclosure controls and other procedures are designed to provide reasonable assurance that information required to be disclosed in the reports that the Company files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC's rules and forms. The Company's disclosure controls and procedures include controls and procedures designed to provide reasonable assurance that information required to be disclosed is accumulated and communicated to management, including the Company's chief executive officer and chief financial officer, to allow timely decisions regarding required disclosure. The Company's management, with the participation of the Company's chief executive officer and chief financial officer, has evaluated the effectiveness of the Company's disclosure controls and procedures. Based upon that evaluation, the chief executive officer and the chief financial officer have concluded that, as of the end of the period covered by this report, such controls and procedures were effective at a reasonable assurance level.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Changes in Internal Controls</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">No change in the Company's internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) occurred during the quarter ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, that has materially affected, or is reasonably likely to materially affect, the Company's internal control over financial reporting.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Management's Annual Report on Internal Control Over Financial Reporting</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The information required by this item is included in this Form&#160;10-K at Item&#160;8 - Management's Report on Internal Control Over Financial Reporting.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Attestation Report of the Registered Public Accounting Firm</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The information required by this item is included in this Form&#160;10-K at Item&#160;8 - Report of Independent Registered Public Accounting Firm.</span></div><div><a id="s9EF8E39C36F6587DA1EDF50DD3BC9C94"></a></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Item&#160;9B. Other Information</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">None.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">105</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="sED569B95B59E5812B8D8A79AB1C285C5"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part III</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:120%;padding-top:0px;font-size:1pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:1pt;"><br/></span></div><div><a id="s812086F7A0D85BD0AB7473F1C72CB004"></a></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Item&#160;10. Directors, Executive Officers and Corporate Governance</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Information required by this item is included in the Company's Proxy Statement, which is incorporated herein by reference.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span></div><div><a id="s9AED45CF621F57968C56CC25F0528422"></a></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Item&#160;11. Executive Compensation</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Information required by this item is included in the Company's Proxy Statement, which is incorporated herein by reference.</span></div><div><a id="s8678363676CA5E7FA91F20D6E130A05B"></a></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Item&#160;12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Equity Compensation Plan Information</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following table includes information as of December&#160;31, 2017, with respect to the Company's equity compensation plans:</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="11"></td></tr><tr><td style="width:41%;"></td><td style="width:15%;"></td><td style="width:1%;"></td><td style="width:3%;"></td><td style="width:1%;"></td><td style="width:14%;"></td><td style="width:1%;"></td><td style="width:3%;"></td><td style="width:15%;"></td><td style="width:1%;"></td><td style="width:5%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Plan Category</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(a)</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Number of securities to be issued upon exercise of outstanding options, warrants and rights</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(b)</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Weighted average exercise price of outstanding options, warrants and rights</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(c)</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Number of securities remaining available for future issuance under equity compensation plans (excluding securities reflected in column&#160;(a))</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity compensation plans approved by stockholders&#160;(1)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">692,761</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(2)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(3)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4,662,030</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(4)(5)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity compensation plans not approved by stockholders</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">692,761</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4,662,030</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(1)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Consists of the Non-Employee Director Long-Term Incentive Compensation Plan and the Long-Term Performance-Based Incentive Plan.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(2)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Consists of performance shares.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(3)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">No weighted average exercise price is shown for the performance shares.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(4)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">This amount includes </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">4,307,574</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;shares available for future issuance under the Long-Term Performance-Based Incentive Plan in connection with grants of restricted stock, performance units, performance shares or other equity-based awards.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(5)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">This amount includes </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">354,456</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> shares available for future issuance under the Non-Employee Director Long-Term Incentive Compensation Plan. Under this plan, in addition to a cash retainer, non-employee directors, excluding the Chair of the Board, are awarded shares equal in value to $110,000 annually and the Chair of the Board is awarded shares equal in value to $145,000 annually. A non-employee director may acquire additional shares under the plan in lieu of receiving the cash portion of the director's retainer or fees.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:94.44444444444444%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The remaining information required by this item is included in the Company's Proxy Statement, which is incorporated herein by reference.</span></div><div><a id="sEE8B9EB3001A55E4AF9779353714E2C8"></a></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Item&#160;13. Certain Relationships and Related Transactions, and Director Independence</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Information required by this item is included in the Company's Proxy Statement, which is incorporated herein by reference.</span></div><div><a id="s98FF2EFED04F5D2CBF6C403617DAFB1E"></a></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Item&#160;14. Principal Accounting Fees and Services</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Information required by this item is included in the Company's Proxy Statement, which is incorporated herein by reference.</span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">106</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s43E98E7154385647B2723FB65E7C34E8"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part IV</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:120%;padding-top:0px;font-size:1pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:1pt;"><br/></span></div><div><a id="sFD8444FFCD3E5E36986587E643962124"></a></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Item&#160;15. Exhibits, Financial Statement Schedules</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">(a)&#160;Financial Statements, Financial Statement Schedules and Exhibits</span></div><div style="line-height:120%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Index to Financial Statements and Financial Statement Schedules</span></div><div style="line-height:140%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:494px;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:426px;"></td><td style="width:66px;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">1. Financial Statements</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">The following consolidated financial statements required under this item are</span></div><div style="padding-left:18px;text-indent:-12px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">included under Item&#160;8 - Financial Statements and Supplementary Data.</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:underline;">Page</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;" href="#s33D9A55325B35BFDA1E666335551D80B"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Consolidated Statements of Income for each of the three years in the period ended December&#160;31, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s33D9A55325B35BFDA1E666335551D80B">53</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:6px;text-indent:-6px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;" href="#s4A9C1704153F526B99EB1961CF44B129"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Consolidated Statements of Comprehensive Income for each of the three years in the period ended December 31, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s4A9C1704153F526B99EB1961CF44B129">54</a></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;" href="#sD8B6F675812858A789F3583A204F1ECA"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Consolidated Balance Sheets at December 31, 2017 and 2016</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#sD8B6F675812858A789F3583A204F1ECA">55</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:6px;text-indent:-6px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;" href="#s66B32E1FAE305AC6B0FE16E71DED7ABE"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Consolidated Statements of Equity for each of the three years in the period ended December&#160;31, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s66B32E1FAE305AC6B0FE16E71DED7ABE">56</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:6px;text-indent:-6px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;" href="#sEE44DE426AE15732861CAFA70B393A72"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Consolidated Statements of Cash Flows for each of the three years in the period ended December&#160;31, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#sEE44DE426AE15732861CAFA70B393A72">57</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s6F65FAE2ECB258E58FA32E0CFE87A94D"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Notes to Consolidated Financial Statements</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s6F65FAE2ECB258E58FA32E0CFE87A94D">58</a></div></td></tr></table></div></div><div style="line-height:120%;padding-top:8px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:494px;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:426px;"></td><td style="width:66px;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:8.5pt;font-weight:bold;">2. Financial Statement Schedules</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">The following financial statement schedules are included in Part IV of this report.</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:underline;">Page</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s5CBD418FEDBE508690C341F4F08E204E"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">Schedule I - Condensed Financial Information of Registrant (Unconsolidated)</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;" href="#s3B53F89DE6C25B5A98C1829C434B937D"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Condensed Statements of Income and Comprehensive Income for each of the three years in the period ended December&#160;31, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s3B53F89DE6C25B5A98C1829C434B937D">108</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;" href="#sF45EA6A3C82156AA8E2BD7D03AFE2ACF"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Condensed Balance Sheets at December 31, 2017 and 2016</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#sF45EA6A3C82156AA8E2BD7D03AFE2ACF">109</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:6px;text-indent:-6px;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;" href="#s30B9A3DCC3EA5CFDB5256BC77CB531F6"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Condensed Statements of Cash Flows for each of the three years in the period ended December&#160;31, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s30B9A3DCC3EA5CFDB5256BC77CB531F6">110</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s6FD0F1775761565AABD49202E28B6FA9"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Notes to Condensed Financial Statements</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s6FD0F1775761565AABD49202E28B6FA9">110</a></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;" href="#s75FE3D9BF0B0516FA0567D770CAA30D9"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;text-decoration:none;">Schedule II - Consolidated Valuation and Qualifying Accounts</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:8.5pt;"><a style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;" href="#s75FE3D9BF0B0516FA0567D770CAA30D9">111</a></div></td></tr></table></div></div><div><a id="s5CBD418FEDBE508690C341F4F08E204E"></a></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:1pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:1pt;"><br/></span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">107</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s3B53F89DE6C25B5A98C1829C434B937D"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part IV</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">MDU RESOURCES GROUP, INC.</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Schedule I - <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock" id="TextSelection-BD68D8A44C6A902604E3A0182660CE43-0-wk-Fact-4DFADC81920E41E217B9A018316C61BE" continuedAt="TextSelection-BD68D8A44C6A902604E3A0182660CE43-1" escape="true">Condensed Financial Information of Registrant (Unconsolidated)</ix:nonNumeric></span></div><ix:continuation id="TextSelection-BD68D8A44C6A902604E3A0182660CE43-1" continuedAt="TextSelection-BD68D8A44C6A902604E3A0182660CE43-2"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Condensed Statements of Income and Comprehensive Income</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:88.12260536398468%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:55%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December&#160;31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8080912e1284-wk-Fact-24275FA272F5C9355765F94C9CAFB869" name="us-gaap:Revenues" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">623,693</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1298-wk-Fact-1BA9D466D3AB013EE90DF94C9CAFA888" name="us-gaap:Revenues" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">561,266</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1312-wk-Fact-AC169278A8C4540CBCB5F94C9CAFA124" name="us-gaap:Revenues" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">556,112</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8080912e1327-wk-Fact-79D07D184ED65A592C27F94C9CCEF785" name="us-gaap:OperatingExpenses" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">516,524</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1341-wk-Fact-908D604FB4B715869D74F94C9CAFD892" name="us-gaap:OperatingExpenses" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">469,062</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1355-wk-Fact-BC28DEFBDEB03E4A4D27F94C9CAF09EE" name="us-gaap:OperatingExpenses" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">478,198</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8080912e1375-wk-Fact-63B26F62FBCD413A7A66F94C9CAF26E8" name="us-gaap:OperatingIncomeLoss" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">107,169</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1389-wk-Fact-46D77A56D9BC9EEB46FFF94C9CCE949E" name="us-gaap:OperatingIncomeLoss" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">92,204</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1403-wk-Fact-6CEBC3C94DAEAED25EA0F94C9CDE36F2" name="us-gaap:OperatingIncomeLoss" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">77,914</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other income</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8080912e1423-wk-Fact-6EA28AF49EE88C7280A3F94C9CAFB73C" name="us-gaap:OtherNonoperatingIncomeExpense" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,331</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1437-wk-Fact-B4DF24FBE01EF69F494BF94C9CDE5833" name="us-gaap:OtherNonoperatingIncomeExpense" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,491</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1451-wk-Fact-3658F3A978DA56A5F1FFF94C9CDE4FC6" name="us-gaap:OtherNonoperatingIncomeExpense" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">8,318</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest expense</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8080912e1471-wk-Fact-544C38669E680C4FBCA8F94C9CDE823B" name="us-gaap:InterestExpense" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">31,997</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1485-wk-Fact-02F8E04970BF1C872DCAF94C9CAFBF3E" name="us-gaap:InterestExpense" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">31,519</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1499-wk-Fact-229AA8A2E5CDED7AEB06F94C9CCEC217" name="us-gaap:InterestExpense" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">23,562</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income before income taxes</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8080912e1519-wk-Fact-41C88C651CFF9317B80FF94C9CAF1B34" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">76,503</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1533-wk-Fact-9ECC180E3C244E18894DF94C9CAF32A5" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">62,176</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1547-wk-Fact-7E9283C18A4C4C604D55F94C9CDE6FD0" name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">62,670</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8080912e1567-wk-Fact-D8B6721893458CDDD24FF94C9CAF8306" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,800</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1581-wk-Fact-61793183657DA0118AEFF94C9CAF08F7" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,355</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1595-wk-Fact-B50E82F34A73B0208D69F94C9CAF667F" name="us-gaap:IncomeTaxExpenseBenefit" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,882</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity in earnings of subsidiaries from continuing operations</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8080912e1615-wk-Fact-D4C99C606157E001EEC6F94C9CDE9B76" name="mdu:EquityinEarningsLossofSubsidiariesFromContinuingOperations" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">222,283</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1629-wk-Fact-AC3C8B2FCADAAD803A93F94C9CAFE63D" name="mdu:EquityinEarningsLossofSubsidiariesFromContinuingOperations" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">177,275</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1643-wk-Fact-E438072DC8EC2FD0AA55F94C9CAF47CA" name="mdu:EquityinEarningsLossofSubsidiariesFromContinuingOperations" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">129,601</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net income from continuing operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8080912e1663-wk-Fact-68B7DC19F8708E0D2AFEF94C9CAF5AED" name="mdu:NetIncomeAttributabletotheCompanyfromContinuingOperations" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">284,986</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1677-wk-Fact-1428FF579186CBB45299F94C9CAFA287" name="mdu:NetIncomeAttributabletotheCompanyfromContinuingOperations" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">233,096</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1691-wk-Fact-7D3952A15DDAF41F9968F94C9CAF2357" name="mdu:NetIncomeAttributabletotheCompanyfromContinuingOperations" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">176,389</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity in loss of subsidiaries from discontinued operations attributable to the Company</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8080912e1712-wk-Fact-9A3520E3BE8B273C73F2F94C9C9F0546" name="mdu:EquityinEarningsLossofSubsidiariesFromDiscontinuedOperationsAttributabletotheCompany" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,783</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8080912e1727-wk-Fact-339E81176142DCD890CBF94C9CAF0FC0" name="mdu:EquityinEarningsLossofSubsidiariesFromDiscontinuedOperationsAttributabletotheCompany" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">168,663</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8080912e1742-wk-Fact-32CF743120676FCE93BCF94C9CCE37F3" name="mdu:EquityinEarningsLossofSubsidiariesFromDiscontinuedOperationsAttributabletotheCompany" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">798,824</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss on redemption of preferred stocks</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8080912e1763-wk-Fact-20E79F8473F10A28803890AC17D3E81F" name="us-gaap:PreferredStockRedemptionPremium" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">600</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1777-wk-Fact-24858226F45434BA938690AC18CA8BBA" name="us-gaap:PreferredStockRedemptionPremium" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1791-wk-Fact-666D8768D8231EE3BC4A90AC19E51339" name="us-gaap:PreferredStockRedemptionPremium" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Dividends declared on preferred stocks</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8080912e1811-wk-Fact-E9FDC1772444EE7A627EF94C9CAF078A" name="us-gaap:DividendsPreferredStock" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">171</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1825-wk-Fact-53C59B51EA713902275EF94C9CCE0028" name="us-gaap:DividendsPreferredStock" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">685</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1839-wk-Fact-BEA22CFE6E27DCF84469F94C9CCED185" name="us-gaap:DividendsPreferredStock" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">685</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) on common stock</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8080912e1864-wk-Fact-5B399868662BEAE2A9FDF94C9CDEC5BF" name="us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">280,432</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1878-wk-Fact-CCC63F388E8BC38DE35DF94C9CDE3A8D" name="us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">63,748</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8080912e1892-wk-Fact-20A396015E4FE2DBB0DBF94C9CAF46C0" name="us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">623,120</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Comprehensive income (loss)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8080912e1913-wk-Fact-4841F758174BD7974EB8F94C9CAF20AC" name="us-gaap:ComprehensiveIncomeNetOfTax" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">279,602</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8080912e1927-wk-Fact-B74D3C5DEAF6D9BF1211F94C9CCE8981" name="us-gaap:ComprehensiveIncomeNetOfTax" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">65,848</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8080912e1941-wk-Fact-DA3AA8AC9C88EC28A253F94C9CAF6A47" name="us-gaap:ComprehensiveIncomeNetOfTax" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">617,480</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr></table></div></div></ix:continuation><div style="line-height:140%;padding-top:0px;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;font-style:italic;"><ix:continuation id="TextSelection-BD68D8A44C6A902604E3A0182660CE43-2" continuedAt="TextSelection-E192570F9E18B13E7BF0A01876D994C1-0">The accompanying notes are an integral part of these condensed financial statements.</ix:continuation></span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">108</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="sF45EA6A3C82156AA8E2BD7D03AFE2ACF"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part IV</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">MDU RESOURCES GROUP, INC.</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Schedule I - <ix:continuation id="TextSelection-E192570F9E18B13E7BF0A01876D994C1-0" continuedAt="TextSelection-E192570F9E18B13E7BF0A01876D994C1-1">Condensed Financial Information of Registrant (Unconsolidated)</ix:continuation></span></div><ix:continuation id="TextSelection-E192570F9E18B13E7BF0A01876D994C1-1" continuedAt="TextSelection-E192570F9E18B13E7BF0A01876D994C1-2"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Condensed Balance Sheets</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"></td></tr><tr><td style="width:74%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">December&#160;31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands, except shares and per share amounts)</span></div></td><td style="vertical-align:bottom;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash and cash equivalents</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1325-wk-Fact-5EB031A5049EC6C472ABF94C9CCEDF1E" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">843</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1339-wk-Fact-67FA2E3A57AEB80D0EA3F94C9CDEC854" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,159</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Receivables, net</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1354-wk-Fact-2224D1AED991FD2065B7F94C9CDE2F98" name="us-gaap:ReceivablesNetCurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">83,453</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1368-wk-Fact-D7FAB16AC11D487B8E64F94C9CAFCEA7" name="us-gaap:ReceivablesNetCurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">80,467</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accounts receivable from subsidiaries</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1388-wk-Fact-867108AFEA13D59BE550F94C9CDEC09C" name="us-gaap:AccountsReceivableRelatedParties" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">34,029</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1402-wk-Fact-49B191BF5E651B90B1E1F94C9CDEF5E0" name="us-gaap:AccountsReceivableRelatedParties" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">34,424</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Inventories</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1422-wk-Fact-F5C5E86161D871C8B33AF94C9CDEB6F8" name="us-gaap:InventoryNet" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,864</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1436-wk-Fact-E938E45A4432CC840648F94C9CAFD3B1" name="us-gaap:InventoryNet" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">17,352</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Prepayments and other current assets</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1456-wk-Fact-C671CACBA2990C13D55DF94C9CAFC079" name="us-gaap:OtherAssetsCurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">34,400</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1470-wk-Fact-8D3B96BF7BBE7F62AA1FF94C9CCE5593" name="us-gaap:OtherAssetsCurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">24,531</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current assets</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1490-wk-Fact-4830C449B833701D7D5BF94C9CDEEFE5" name="us-gaap:AssetsCurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">166,589</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1504-wk-Fact-D72D8C6B096C0DC7BAD9F94C9C9078B6" name="us-gaap:AssetsCurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">160,933</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Investments</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1524-wk-Fact-2EA01069909C626249F5F94C9CCE7445" name="us-gaap:LongTermInvestments" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">76,779</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1538-wk-Fact-CCC4303C004F3C6521BDF94C9CAF7E48" name="us-gaap:LongTermInvestments" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">70,370</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Investment in subsidiaries</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1559-wk-Fact-602BC084EF7E054E8F44F94C9CBF3AEC" name="mdu:InvestmentInSubsidiaries" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,704,908</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1573-wk-Fact-49385FBC5AFC7072C001F94C9CAF3CD7" name="mdu:InvestmentInSubsidiaries" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,603,874</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Property, plant and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1593-wk-Fact-845D4995C0F1B24D2578F94C9CCEAA9F" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,631,161</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1607-wk-Fact-FC1CAB924CF3A9B57923F94C9CCE6EF8" name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,502,264</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1627-wk-Fact-490CCE1889AAD5E14E79F94C9CAFA943" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">797,130</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1641-wk-Fact-8F4704EA13174DB3FA4FF94C9CCEB4B6" name="us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">756,191</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net property, plant and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1661-wk-Fact-579581865A715C3E9BC6F94C9C906AD9" name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,834,031</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1675-wk-Fact-375D8F8A37829D14618FF94C9CDE7C80" name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,746,073</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred charges and other assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Goodwill</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1731-wk-Fact-5FE2BED34D4BF243FB2CF94C9CAFB6C3" name="us-gaap:Goodwill" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,812</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1745-wk-Fact-54557906A77EA39C9125F94C9CCE7FC3" name="us-gaap:Goodwill" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,812</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1765-wk-Fact-02B50F2853D47FAE12A0F94C9CDE204B" name="us-gaap:OtherAssetsNoncurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">175,599</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1779-wk-Fact-754858EF6C2A992CB8FEF94C9CAF04B0" name="us-gaap:OtherAssetsNoncurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">183,654</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total deferred charges and other assets</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1799-wk-Fact-C6A704C85524236D7C43F94C9CCE849B" name="us-gaap:AssetsNoncurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">180,411</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1813-wk-Fact-9AB337363FCB31787637F94C9CDEEEDF" name="us-gaap:AssetsNoncurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">188,466</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1838-wk-Fact-14301FACCBF6514D9EA7F94C9CAFAE60" name="us-gaap:Assets" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,962,718</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1852-wk-Fact-9DAC24C552B66F61E437F94C9C9026E6" name="us-gaap:Assets" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,769,716</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:10px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:10px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:10px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Liabilities and Stockholders' Equity</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current liabilities:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt due within one year</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e1981-wk-Fact-468BC4A18978301BBCDDF94C9CCEE9E1" name="us-gaap:LongTermDebtCurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">100,011</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e1995-wk-Fact-302AF1104C188078D033F94C9CCEB856" name="us-gaap:LongTermDebtCurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">110</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accounts payable</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2010-wk-Fact-D9530E5070CEC3C718DEF94C9CAF03F8" name="us-gaap:AccountsPayableCurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">47,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2024-wk-Fact-CDD43A1E8BB63C8C1636F94C9CCE5DC6" name="us-gaap:AccountsPayableCurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">37,697</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accounts payable to subsidiaries</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2044-wk-Fact-111A9C66BE9C5985101BF94C9CCE0FA5" name="us-gaap:AccountsPayableRelatedPartiesCurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,234</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2058-wk-Fact-C88FBD45633D9F6459D5F94C9CDE9D8C" name="us-gaap:AccountsPayableRelatedPartiesCurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,592</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes payable</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2078-wk-Fact-A1860EAF2D67A8CA21ADF94C9CCEA5F3" name="us-gaap:TaxesPayableCurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">13,717</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2092-wk-Fact-3C8EE7A71D37E9666A88F94C9CCE4903" name="us-gaap:TaxesPayableCurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">14,992</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Dividends payable</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2112-wk-Fact-DD369E42B843F3F08ABCF94C9CCEEB67" name="us-gaap:DividendsPayableCurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">38,573</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2126-wk-Fact-B41A2F153BA5EBEDC0B8F94C9CCE9B83" name="us-gaap:DividendsPayableCurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">37,767</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accrued compensation</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2146-wk-Fact-D1DFA0A4256F5F5A1BD1F94C9CCECAA2" name="us-gaap:AccruedSalariesCurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">20,017</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2160-wk-Fact-D59440C8129582C521EFF94C9CCE2758" name="us-gaap:AccruedSalariesCurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">16,086</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other accrued liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2180-wk-Fact-36F161C94B452C115FB8F94C9CCE8D69" name="us-gaap:OtherLiabilitiesCurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">36,881</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2194-wk-Fact-875F06470DC89651E105F94C9CDE7029" name="us-gaap:OtherLiabilitiesCurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">34,929</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2214-wk-Fact-5751925716E7A57E96F6F94C9CCE2469" name="us-gaap:LiabilitiesCurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">263,433</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2228-wk-Fact-299D6303E8495F85D165F94C9CDE41D5" name="us-gaap:LiabilitiesCurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">147,173</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2248-wk-Fact-D096AE96766F82E13026F94C9CAF3455" name="us-gaap:LongTermDebtNoncurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">612,493</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2262-wk-Fact-2D86F16EA817A36FEA86F94C9CCEF3EC" name="us-gaap:LongTermDebtNoncurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">679,667</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred credits and other liabilities:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred income taxes</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2319-wk-Fact-31D273A848D2FDD53D0DF94C9CAF9309" name="us-gaap:DeferredIncomeTaxLiabilitiesNet" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">147,847</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2333-wk-Fact-7B7B4ECFE32035E88426F94C9C90AA50" name="us-gaap:DeferredIncomeTaxLiabilitiesNet" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">270,126</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2353-wk-Fact-E5765D7BEFDE46A3E611F94C9CAF8F61" name="us-gaap:OtherLiabilitiesNoncurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">509,902</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2367-wk-Fact-D5442C4EE958791E1AC0F94C9CCEA999" name="us-gaap:OtherLiabilitiesNoncurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">356,506</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total deferred credits and other liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2387-wk-Fact-AC38CDA6CC237118A58BF94C9CCE4B4A" name="us-gaap:LiabilitiesNoncurrent" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">657,749</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2401-wk-Fact-0B5805E22081D1C02142F94C9CCED172" name="us-gaap:LiabilitiesNoncurrent" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">626,632</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commitments and contingencies</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2421-wk-Fact-11CDFCFFFBD74AE8E9F9900ED4C26F96" name="us-gaap:CommitmentsAndContingencies" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" xsi:nil="true" scale="0" format="ixt:nocontent"></ix:nonFraction></span><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2434-wk-Fact-4E815E51F70179174768900ED5BAA6BF" name="us-gaap:CommitmentsAndContingencies" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" xsi:nil="true" scale="0" format="ixt:nocontent"></ix:nonFraction></span><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Stockholders' equity:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Preferred stocks</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2487-wk-Fact-7CE9A62DFF19ABA90548F94C9CCE1472" name="us-gaap:PreferredStockValue" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2501-wk-Fact-149C071A5800068DC10EF94C9CAF1725" name="us-gaap:PreferredStockValue" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Common stockholders' equity:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Common stock</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Authorized - 500,000,000 shares, $1.00 par value</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Issued - 195,843,297 shares in 2017 and 2016</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2624-wk-Fact-E073B4767CDC528DFEE6F94C9CDE342F" name="us-gaap:CommonStockValue" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">195,843</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2638-wk-Fact-EC6E649BB36E05F12BB5F94C9CAFFC15" name="us-gaap:CommonStockValue" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">195,843</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other paid-in capital</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2658-wk-Fact-E8DB0C76C457961E968BF94C9CDE06A2" name="us-gaap:AdditionalPaidInCapitalCommonStock" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,233,412</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2672-wk-Fact-C927A0C2B5E1E6CF00A1F94C9CAF714A" name="us-gaap:AdditionalPaidInCapitalCommonStock" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,232,478</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Retained earnings</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2693-wk-Fact-8F69338EAE8B4C1B75A2F94C9CCECBE1" name="us-gaap:RetainedEarningsAccumulatedDeficit" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,040,748</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2707-wk-Fact-AA8EE05D050B79B248E6F94C9CCE6222" name="us-gaap:RetainedEarningsAccumulatedDeficit" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">912,282</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accumulated other comprehensive loss</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8087570e2727-wk-Fact-D63ADC9370F3F726666DF94C9C9038E1" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">37,334</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087570e2742-wk-Fact-0716F148FB32E3EC5694F94C9CCEC323" name="us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">35,733</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Treasury stock at cost - 538,921 shares</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8087570e2763-wk-Fact-E7BC463FB0ED49A2579EF94C9CAF7A9D" name="us-gaap:TreasuryStockValue" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,626</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087570e2778-wk-Fact-5CB43259AA1C44A2D600F94C9CCEDA7B" name="us-gaap:TreasuryStockValue" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,626</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:12px;text-indent:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total common stockholders' equity</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2799-wk-Fact-CC07C3BD1CAECAC3EAEDF94C9CCEEB5B" name="mdu:Commonequitystockholders" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,429,043</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2813-wk-Fact-4C46F36BFD947F0B2E69F94C9CDE4F2E" name="mdu:Commonequitystockholders" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,301,244</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total stockholders' equity</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2833-wk-Fact-B12CD5BDFADFCE3EFDB9F94C9C9FEC89" name="us-gaap:StockholdersEquity" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,429,043</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2847-wk-Fact-11336F28E7E1CA1BD375F94C9CAF2B55" name="us-gaap:StockholdersEquity" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,316,244</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total liabilities and stockholders' equity</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087570e2872-wk-Fact-093A5F8D43C7B24037B4F94C9CAF31C9" name="us-gaap:LiabilitiesAndStockholdersEquity" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,962,718</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087570e2886-wk-Fact-1E81585D09D4EB8D6CC2F94C9CCEBC21" name="us-gaap:LiabilitiesAndStockholdersEquity" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,769,716</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div></ix:continuation><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;font-style:italic;"><ix:continuation id="TextSelection-E192570F9E18B13E7BF0A01876D994C1-2" continuedAt="TextSelection-62C5D9009334FB4153B5A018BF1ECD0F-0">The accompanying notes are an integral part of these condensed financial statements.</ix:continuation></span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">109</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s30B9A3DCC3EA5CFDB5256BC77CB531F6"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part IV</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">MDU RESOURCES GROUP, INC.</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Schedule I - <ix:continuation id="TextSelection-62C5D9009334FB4153B5A018BF1ECD0F-0" continuedAt="TextSelection-62C5D9009334FB4153B5A018BF1ECD0F-1">Condensed Financial Information of Registrant (Unconsolidated)</ix:continuation></span></div><ix:continuation id="TextSelection-62C5D9009334FB4153B5A018BF1ECD0F-1" continuedAt="TextSelection-62C5D9009334FB4153B5A018BF1ECD0F-2"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Condensed Statements of Cash Flows</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"></td></tr><tr><td style="width:61%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December&#160;31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net cash provided by operating activities</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087554e1284-wk-Fact-0A08F3EEE5908099D0B3F94C9CAF27E7" name="us-gaap:NetCashProvidedByUsedInOperatingActivities" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">284,075</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e1298-wk-Fact-5E598F8F2DF456230DD4F94C9CAF3C46" name="us-gaap:NetCashProvidedByUsedInOperatingActivities" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">238,125</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e1312-wk-Fact-4DF906558B7EDA5E4C7EF94C9CAF824E" name="us-gaap:NetCashProvidedByUsedInOperatingActivities" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">255,273</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Investing activities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Capital expenditures</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8087554e1376-wk-Fact-32B772CE04AC8F48A6D1F94C9CAF7549" name="us-gaap:PaymentsToAcquireProductiveAssets" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">146,370</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087554e1391-wk-Fact-DE909159B20D562A617EF94C9CAF468D" name="us-gaap:PaymentsToAcquireProductiveAssets" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">159,570</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087554e1406-wk-Fact-ECB78D378F55AE5652CCF94C9CAF7A5D" name="us-gaap:PaymentsToAcquireProductiveAssets" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">349,985</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net proceeds from sale or disposition of property and other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8087554e1427-wk-Fact-D9B43C3A4ABE1EE233B9F94C9CAF751D" name="us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">5,665</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e1442-wk-Fact-C4DBD37A19FC237D4069F94C9CAF3D15" name="us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,784</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e1456-wk-Fact-63858C24E59CFA059371F94C9C9FE1C2" name="us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">3,268</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Investments in and advances to subsidiaries</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8087554e1476-wk-Fact-A097F7A9CFDD8F7D74F0F94C9CAFF95B" name="mdu:InvestmentsInAndAdvancesToSubsidiaries" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">40,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087554e1491-wk-Fact-59B4FC1899389E2D46DCF94C9CAF12A8" name="mdu:InvestmentsInAndAdvancesToSubsidiaries" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">5,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087554e1506-wk-Fact-D911614C8B2F4C462DAFF94C9C9F0747" name="mdu:InvestmentsInAndAdvancesToSubsidiaries" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Advances from subsidiaries</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087554e1527-wk-Fact-DD4D90C1DA17844183C5F94C9CAF9E89" name="mdu:InvestmentsFromAndAdvancesFromSubsidiaries" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">40,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e1541-wk-Fact-855552E4EAF8556E9DD2F94C9CAF7C2E" name="mdu:InvestmentsFromAndAdvancesFromSubsidiaries" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e1555-wk-Fact-7240CBF40FE139BAC632F94C9C9F1C50" name="mdu:InvestmentsFromAndAdvancesFromSubsidiaries" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">100,000</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Investments</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8087554e1575-wk-Fact-34709BF14B38699A49B6F94C9CAF4EC9" name="us-gaap:PaymentsForProceedsFromInvestments" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">468</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087554e1590-wk-Fact-DDFE4A2B29791BF2E58FF94C9CAF5279" name="us-gaap:PaymentsForProceedsFromInvestments" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">129</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e1605-wk-Fact-C70434AA0B8F701ECC04F94C9C9F844B" name="us-gaap:PaymentsForProceedsFromInvestments" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">5</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net cash used in investing activities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8087554e1625-wk-Fact-5D3E95DB20A68BE2366CF94C9CAF61A1" name="us-gaap:NetCashProvidedByUsedInInvestingActivities" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">152,503</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087554e1640-wk-Fact-090FBF4B041CC9250667F94C9CAF132D" name="us-gaap:NetCashProvidedByUsedInInvestingActivities" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">145,915</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087554e1655-wk-Fact-6E689382DBEC6614FA21F94C9CAFFE5A" name="us-gaap:NetCashProvidedByUsedInInvestingActivities" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">253,712</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Financing activities:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Issuance of long-term debt</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087554e1726-wk-Fact-E4AFC401D31C9529E0BDF94C9CAF1908" name="us-gaap:ProceedsFromIssuanceOfLongTermDebt" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">70,080</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e1740-wk-Fact-0282F7749E9FA14605FEF94C9CAF2855" name="us-gaap:ProceedsFromIssuanceOfLongTermDebt" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">106,420</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e1754-wk-Fact-DC096A39C3C080C4CBC7F94C9C9F021D" name="us-gaap:ProceedsFromIssuanceOfLongTermDebt" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">224,185</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Repayment of long-term debt</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8087554e1774-wk-Fact-4D912A3DB0FFBC0E8C2FF94C9CAFF327" name="us-gaap:RepaymentsOfLongTermDebt" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">37,569</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087554e1789-wk-Fact-44E2DB9415B050961EC5F94C9CAFEBCE" name="us-gaap:RepaymentsOfLongTermDebt" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">50,010</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087554e1804-wk-Fact-9B5D3B939E9BF88B51EEF94C9C9FD23C" name="us-gaap:RepaymentsOfLongTermDebt" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">108,008</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Proceeds from issuance of common stock</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087554e1825-wk-Fact-9FF8C37E9085385DCAE1F94C9CAFB434" name="us-gaap:ProceedsFromIssuanceOfCommonStock" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e1839-wk-Fact-425C53E02B38D394E2B6F94C9CAF7022" name="us-gaap:ProceedsFromIssuanceOfCommonStock" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e1853-wk-Fact-F0BED8708BB85E86C2A7F94C9CAFDFEF" name="us-gaap:ProceedsFromIssuanceOfCommonStock" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">21,898</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Dividends paid</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8087554e1873-wk-Fact-B953B40483B73637A75CF94C9CAF5E8C" name="us-gaap:PaymentsOfDividends" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">150,727</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087554e1888-wk-Fact-73EE44FE4F9E3A874EA9F94C9CAFEFC8" name="us-gaap:PaymentsOfDividends" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">147,156</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087554e1903-wk-Fact-665876688FB5195E65BFF94C9CAF977E" name="us-gaap:PaymentsOfDividends" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">142,835</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Redemption of preferred stock</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8087554e1924-wk-Fact-DA2343BB257424338690F94C9CAFFE88" name="us-gaap:PaymentsForRepurchaseOfPreferredStockAndPreferenceStock" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">15,600</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e1939-wk-Fact-63E32FFB0E5D49B199F7F94C9C9FE12A" name="us-gaap:PaymentsForRepurchaseOfPreferredStockAndPreferenceStock" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e1953-wk-Fact-E9BFDB6D356FA70B657AF94C9CAFD47F" name="us-gaap:PaymentsForRepurchaseOfPreferredStockAndPreferenceStock" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Repurchase of common stock</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8087554e1973-wk-Fact-3CF9A838C8A47C86D651900560F4C1EF" name="us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">564</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e1988-wk-Fact-CB3C8A807EB15C41A48990056356C2C9" name="us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e2002-wk-Fact-88DE8F73D543051E7BAF900565B1E1D5" name="us-gaap:ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Tax withholding on stock-based compensation</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8087554e2022-wk-Fact-1F18BE694C023B6E2169F94C9CAF49D1" name="us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">508</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087554e2037-wk-Fact-DD6CEF9000AAFCB8374BF94C9CAF3121" name="us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">226</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e2052-wk-Fact-13183BC848C1119F1BC1F94C9CAF8F1F" name="us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:zerodash">&#8212;</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net cash used in financing activities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8087554e2072-wk-Fact-2BDFAD771C0D4B28F82EF94C9C9FF27A" name="us-gaap:NetCashProvidedByUsedInFinancingActivities" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">134,888</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087554e2087-wk-Fact-0E22F023B95421238497F94C9CDE9785" name="us-gaap:NetCashProvidedByUsedInFinancingActivities" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">90,972</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087554e2102-wk-Fact-8E50DB2CE84D033EF46EF94C9CAF1A16" name="us-gaap:NetCashProvidedByUsedInFinancingActivities" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">4,760</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Increase (decrease) in cash and cash equivalents</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(<ix:nonFraction id="d8087554e2123-wk-Fact-AA658209E5F01C29C184F94C9CAFFBB7" name="us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,316</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e2138-wk-Fact-F4801D45C2FB16117341F94C9C9FD9DB" name="us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,238</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(<ix:nonFraction id="d8087554e2152-wk-Fact-F46970A1F9CE24E33072F94C9CAF228E" name="us-gaap:CashAndCashEquivalentsPeriodIncreaseDecrease" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" sign="-" format="ixt:numdotdecimal">3,199</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash and cash equivalents - beginning of year</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087554e2173-wk-Fact-67FA2E3A57AEB80D0EA3F94C9CDEC854" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,159</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e2187-wk-Fact-5B63878C00910F28B435F94C9C9F8313" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2015Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,921</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e2201-wk-Fact-22043FCFAB11BE1136D9F94C9CAF72C3" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2014Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">6,120</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash and cash equivalents - end of year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8087554e2226-wk-Fact-5EB031A5049EC6C472ABF94C9CCEDF1E" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">843</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e2240-wk-Fact-67FA2E3A57AEB80D0EA3F94C9CDEC854" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2016Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">4,159</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8087554e2254-wk-Fact-5B63878C00910F28B435F94C9C9F8313" name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="FI2015Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">2,921</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div></ix:continuation><div style="line-height:140%;padding-top:0px;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;font-style:italic;"><ix:continuation id="TextSelection-62C5D9009334FB4153B5A018BF1ECD0F-2" continuedAt="TextSelection-90AB9B2C55FE892EC00DF94C9CFDB4CF-0">The accompanying notes are an integral part of these condensed financial statements.</ix:continuation></span></div><div><a id="s6FD0F1775761565AABD49202E28B6FA9"></a></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Notes to Condensed Financial Statements</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Note&#160;1 - <ix:continuation id="TextSelection-90AB9B2C55FE892EC00DF94C9CFDB4CF-0" continuedAt="TextSelection-90AB9B2C55FE892EC00DF94C9CFDB4CF-1">Summary of Significant Accounting Policies</ix:continuation></span></div><ix:continuation id="TextSelection-90AB9B2C55FE892EC00DF94C9CFDB4CF-1" continuedAt="TextSelection-90AB9B2C55FE892EC00DF94C9CFDB4CF-2"><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">Basis of presentation</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The condensed financial information reported in Schedule I is being presented to comply with Rule&#160;12-04 of Regulation S-X. The information is unconsolidated and is presented for the parent company only, which is comprised of MDU Resources Group, Inc. (the Company) and Montana-Dakota and Great Plains, public utility divisions of the Company. In Schedule I, investments in subsidiaries are presented under the equity method of accounting where the assets and liabilities of the subsidiaries are not consolidated. The investments in net assets of the subsidiaries are recorded on the Condensed Balance Sheets. The income from subsidiaries is reported as equity in earnings of subsidiaries on the Condensed Statements of Income. The consolidated financial statements of MDU Resources Group, Inc. reflect certain businesses as discontinued operations. These statements should be read in conjunction with the consolidated financial statements and notes thereto of MDU Resources Group, Inc.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">Earnings (loss) per common share</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Please refer to the Consolidated Statements of Income of the registrant for earnings (loss) per common share. In addition, see Item 8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">1</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for information on the computation of earnings (loss) per common share.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Note&#160;2 - Debt</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company had long-term debt maturities, excluding unamortized debt issuance costs, of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8087557e1184-wk-Fact-87B835BB9EA15CBDE219F94C9C909046" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">100.0</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8087557e1192-wk-Fact-F7E4AC7F226C366C058DF94C9CCE57B3" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">74.5</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2019</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8087557e1201-wk-Fact-93C218FBD3B428C36F13904305D56496" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">700,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in 2020, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8087557e1205-wk-Fact-C3E31D45DD71946A1880904314D6C36F" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">700,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in 2021, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$<ix:nonFraction id="d8087557e1209-wk-Fact-8C96FA4CE7BDF15E9B816BD118B171CB" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="0" scale="0" format="ixt:numdotdecimal">700,000</ix:nonFraction></span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2022</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8087557e1217-wk-Fact-0CF4E578484465276867F94C9CCEE7B9" name="us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" contextRef="FI2017Q4_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">538.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> scheduled to mature in years after </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2022</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For more information on debt, see Item 8 - Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">6</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div></ix:continuation><div style="line-height:140%;padding-bottom:14px;padding-top:14px;text-align:left;font-size:8.5pt;"><ix:continuation id="TextSelection-90AB9B2C55FE892EC00DF94C9CFDB4CF-2" continuedAt="TextSelection-90AB9B2C55FE892EC00DF94C9CFDB4CF-3"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Note&#160;3 - Dividends </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company depends on earnings from its divisions and dividends from its subsidiaries to pay dividends on common stock. Cash dividends paid to the Company by subsidiaries were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8087557e1238-wk-Fact-076FEE27A3A8F4CC862CF94C9CCE4562" name="us-gaap:CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries" contextRef="FD2017Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">116.1</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8087557e1242-wk-Fact-004DA4E890A220DE15E6F94C9CCE7862" name="us-gaap:CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries" contextRef="FD2016Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="-5" scale="6" format="ixt:numdotdecimal">115.8</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$<ix:nonFraction id="d8087557e1246-wk-Fact-96A92C7725A6DE167B93F94C9CCE4395" name="us-gaap:CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries" contextRef="FD2015Q4YTD_us-gaap_ConsolidatedEntitiesAxis_us-gaap_ParentCompanyMember" unitRef="usd" decimals="0" scale="6" format="ixt:numdotdecimal">110.6</ix:nonFraction>&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-90AB9B2C55FE892EC00DF94C9CFDB4CF-3">, respectively.</ix:continuation></span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">110</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="s75FE3D9BF0B0516FA0567D770CAA30D9"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part IV</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">MDU RESOURCES GROUP, INC.</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Schedule&#160;II - <ix:nonNumeric contextRef="FD2017Q4YTD" name="us-gaap:ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock" id="TextSelection-7C856547FF1737EBC350F94C9CFDE977-0-wk-Fact-47EF435D201BB1A06AE1F94C9CCE3948" continuedAt="TextSelection-7C856547FF1737EBC350F94C9CFDE977-1" escape="true">Consolidated Valuation and Qualifying Accounts</ix:nonNumeric></span></div><ix:continuation id="TextSelection-7C856547FF1737EBC350F94C9CFDE977-1" continuedAt="TextSelection-7C856547FF1737EBC350F94C9CFDE977-2"><div style="line-height:140%;padding-top:4px;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">For the years ended December&#160;31, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2015</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.90338164251207%;border-collapse:collapse;text-align:left;"><tr><td colspan="18"></td></tr><tr><td style="width:36%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:3%;"></td><td style="width:1%;"></td><td style="width:7%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Additions</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Description</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at Beginning of Year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Charged to Costs and Expenses</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">*</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deductions</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">**</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at End of Year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="17" style="vertical-align:bottom;padding-left:0px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td></tr><tr><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Allowance for doubtful accounts:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8084125e1574-wk-Fact-168FA20A3C09707BA8B9F94C9CDE148A" name="us-gaap:ValuationAllowancesAndReservesBalance" contextRef="FI2016Q4_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_AllowanceForDoubtfulAccountsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,479</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8084125e1588-wk-Fact-0666173AFEDC194782CB71BDB7A2F22F" name="us-gaap:ValuationAllowancesAndReservesChargedToCostAndExpense" contextRef="FD2017Q4YTD_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_AllowanceForDoubtfulAccountsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">7,024</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8084125e1602-wk-Fact-7BC0577E3D84482FF70E71BDB7A3D4B9" name="us-gaap:ValuationAllowancesAndReservesChargedToOtherAccounts" contextRef="FD2017Q4YTD_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_AllowanceForDoubtfulAccountsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">989</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8084125e1622-wk-Fact-6970A40AC1014847D20FF94C9CDEA91F" name="us-gaap:ValuationAllowancesAndReservesDeductions" contextRef="FD2017Q4YTD_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_AllowanceForDoubtfulAccountsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,423</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span><ix:nonFraction id="d8084125e1641-wk-Fact-DF491F5334395E50F9F9F94C9CDE6A29" name="us-gaap:ValuationAllowancesAndReservesBalance" contextRef="FI2017Q4_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_AllowanceForDoubtfulAccountsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">8,069</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8084125e1656-wk-Fact-EC362BE79861D21FE81BF94C9CDEF5E3" name="us-gaap:ValuationAllowancesAndReservesBalance" contextRef="FI2015Q4_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_AllowanceForDoubtfulAccountsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,835</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8084125e1670-wk-Fact-5A7312F445B0DBD225ADF94C9CDEE788" name="us-gaap:ValuationAllowancesAndReservesChargedToCostAndExpense" contextRef="FD2016Q4YTD_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_AllowanceForDoubtfulAccountsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">8,302</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8084125e1684-wk-Fact-E4C2F384D7B96CF1C877F94C9CDE57F4" name="us-gaap:ValuationAllowancesAndReservesChargedToOtherAccounts" contextRef="FD2016Q4YTD_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_AllowanceForDoubtfulAccountsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">851</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8084125e1704-wk-Fact-94E077B064660DB5C44EF94C9CDEF8DC" name="us-gaap:ValuationAllowancesAndReservesDeductions" contextRef="FD2016Q4YTD_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_AllowanceForDoubtfulAccountsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">8,509</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8084125e1723-wk-Fact-168FA20A3C09707BA8B9F94C9CDE148A" name="us-gaap:ValuationAllowancesAndReservesBalance" contextRef="FI2016Q4_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_AllowanceForDoubtfulAccountsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">10,479</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2015</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8084125e1743-wk-Fact-4A03BA04E4FA4B1A23BAF94C9CDE85EC" name="us-gaap:ValuationAllowancesAndReservesBalance" contextRef="FI2014Q4_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_AllowanceForDoubtfulAccountsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,511</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8084125e1757-wk-Fact-BB405C866562031B505CF94C9CDE7BA3" name="us-gaap:ValuationAllowancesAndReservesChargedToCostAndExpense" contextRef="FD2015Q4YTD_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_AllowanceForDoubtfulAccountsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">11,343</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8084125e1771-wk-Fact-DDCD6269FBF0798F9F88F94C9CDEE67D" name="us-gaap:ValuationAllowancesAndReservesChargedToOtherAccounts" contextRef="FD2015Q4YTD_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_AllowanceForDoubtfulAccountsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">1,012</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8084125e1791-wk-Fact-C23E09EEA95DDA7040B5F94C9CDE7CEC" name="us-gaap:ValuationAllowancesAndReservesDeductions" contextRef="FD2015Q4YTD_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_AllowanceForDoubtfulAccountsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">12,031</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span><ix:nonFraction id="d8084125e1810-wk-Fact-EC362BE79861D21FE81BF94C9CDEF5E3" name="us-gaap:ValuationAllowancesAndReservesBalance" contextRef="FI2015Q4_us-gaap_ValuationAllowancesAndReservesTypeAxis_us-gaap_AllowanceForDoubtfulAccountsMember" unitRef="usd" decimals="-3" scale="3" format="ixt:numdotdecimal">9,835</ix:nonFraction></span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:6px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-8801A0ECA2B82E4076C1F94C9CFDEB36-0-wk-Footnote-8801A0ECA2B82E4076C1F94C9CFDEB36_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US">Recoveries.</ix:footnote></span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">**</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><ix:footnote id="TextSelection-ECE053198284F7B16B0DF94C9CFD2EF8-0-wk-Footnote-ECE053198284F7B16B0DF94C9CFD2EF8_lbl" footnoteRole="http://www.xbrl.org/2003/role/footnote" xml:lang="en-US" continuedAt="TextSelection-ECE053198284F7B16B0DF94C9CFD2EF8-1">Uncollectible accounts written off.</ix:footnote></span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:center;padding-left:0px;text-indent:0px;font-size:10pt;"><ix:continuation id="TextSelection-ECE053198284F7B16B0DF94C9CFD2EF8-1" continuedAt="TextSelection-ECE053198284F7B16B0DF94C9CFD2EF8-2"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:99.90338164251207%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></ix:continuation><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><ix:continuation id="TextSelection-ECE053198284F7B16B0DF94C9CFD2EF8-2"><br/></ix:continuation></span></div></ix:continuation><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><ix:continuation id="TextSelection-7C856547FF1737EBC350F94C9CFDE977-2">All other schedules are omitted because of the absence of the conditions under which they are required, or because the information required is included in the Company's Consolidated Financial Statements and Notes thereto.</ix:continuation></span></div><div><a id="se1dff139491b4354953b6f6056eee9ff"></a></div><div style="line-height:140%;padding-top:14px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;">Item&#160;16. 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style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="5" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Incorporated by Reference</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Exhibit Number</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Exhibit Description</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Filed Herewith</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Form</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Period Ended</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Exhibit</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Filing Date</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid 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href="http://www.sec.gov/Archives/edgar/data/67716/000006771616000164/exhibit22calumetpsa.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Purchase and Sale Agreement, dated as of June 9, 2016, by and among Calumet North Dakota, LLC, WBI Energy, Inc., and as applicable, MDU Resources Group, Inc., Centennial Energy Holdings, Inc., and Calumet Specialty Products Partners, L.P.</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K/A</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">2.2</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">7/21/16</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span 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style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K/A</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">2.3</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">7/21/16</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">3(a)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771610000097/exhibit3a.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Restated Certificate of Incorporation of MDU Resources Group, Inc., as amended, dated May&#160;13, 2010</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">9/30/10</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">3(a)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">11/3/10</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">3(b)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771617000012/a2017exhibit31bylaws.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Bylaws of MDU Resources Group, Inc., as amended and restated on February&#160;16, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">3.1</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">2/21/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(a)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000089808004000023/ex4f.txt"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Indenture, dated as of December 15, 2003, between MDU Resources Group, Inc. and The Bank of New York, as trustee</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">S-8</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(f)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1/21/04</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">333-112035</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(b)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771610000030/ex-4c.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">First Supplemental Indenture, dated as of November 17, 2009, between MDU Resources Group, Inc. and the Bank of New York Mellon, as trustee</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-K</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">12/31/09</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(c)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">2/17/10</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(c)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771605000129/exh4acentmasteragrmtandschb.txt"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Centennial Energy Holdings, Inc. Amended and Restated Master Shelf Agreement, effective as of April 29, 2005, among Centennial Energy Holdings, Inc., the Prudential Insurance Company of America and certain investors described therein</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">6/30/05</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(a)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8/3/05</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(d)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771606000133/mastershelfagr.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Letter Amendment No. 1 to Amended and Restated Master Shelf Agreement, dated May 17, 2006, among Centennial Energy Holdings, Inc., the Prudential Insurance Company of America, and certain investors described in the Letter Amendment</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">6/30/06</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(a)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8/4/06</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">111</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part IV</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" 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style="width:8%;"></td><td style="width:7%;"></td><td style="width:7%;"></td><td style="width:11%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Incorporated by Reference</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Exhibit Number</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Exhibit Description</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Filed Herewith</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Form</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Period Ended</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Exhibit</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Filing Date</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">File Number</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(e)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771616000116/a2015ex4e.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Letter Amendment No. 2 to Amended and Restated Master Shelf Agreement, dated December 19, 2007, among Centennial Energy Holdings, Inc., the Prudential Insurance Company of America, and certain investors described in the Letter Amendment</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-K</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">12/31/15</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(e)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">2/19/16</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(f)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771616000116/a2015ex4f.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Letter Amendment No. 3 to Amended and Restated Master Shelf Agreement, dated December 18, 2015, among Centennial Energy Holdings, Inc., the Prudential Insurance Company of America, and certain investors described in the Letter Amendment</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-K</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">12/31/15</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(f)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">2/19/16</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(g)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771612000031/mdu123111-ex4e.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Resources Group, Inc. Credit Agreement, dated May 26, 2011, among MDU Resources Group, Inc., Various Lenders, and Wells Fargo Bank, National Association, as Administrative Agent</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-K</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">12/31/11</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(e)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">2/24/12</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(h)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771612000088/exhibit4.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">First Amendment to Credit Agreement, dated October 4, 2012, among MDU Resources Group, Inc., Various Lenders, and Wells Fargo Bank, National Association, as Administrative Agent</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">9/30/12</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">11/7/12</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(i)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771614000101/mdu-630201410qexhibit4a.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Second Amendment to Credit Agreement, dated May 8, 2014 among MDU Resources Group Inc., Various Lenders, and Wells Fargo Bank, National Association, as Administrative Agent</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">6/30/14</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(a)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8/8/14</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(j)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771614000101/mdu-630201410qexhibit4b.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Third Amended and Restated Credit Agreement, dated May 8, 2014, among Centennial Energy Holdings Inc., U.S. Bank National Association, as Administrative Agent, and The Several Financial Institutions party thereto</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">6/30/14</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(b)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8/8/14</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(k)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771616000190/a2016q3ex4.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Fourth Amended and Restated Credit Agreement, dated as of September 23, 2016, among Centennial Energy Holdings, Inc., U.S. Bank National Association, as Administrative Agent, and The Several Financial Institutions party thereto</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">9/30/16</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">11/7/16</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(l)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771607000142/masteragreement.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Energy Capital, LLC Master Shelf Agreement, dated as of August 9, 2007, among MDU Energy Capital, LLC, Prudential Investment Management, Inc., the Prudential Insurance Company of America and the holders of the notes thereunder</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8/16/07</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(m)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771608000191/amendment_no-1.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Amendment No. 1 to Master Shelf Agreement, dated October&#160;1, 2008, among MDU Energy Capital, LLC, Prudential Investment Management, Inc., the Prudential Insurance Company of America, and the holders of the notes thereunder</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">9/30/08</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(b)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">11/5/08</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(n)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Indenture dated as of August 1, 1992, between Cascade Natural Gas Corporation and The Bank of New York relating to Medium-Term Notes, filed by Cascade Natural Gas Corporation</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8/12/92</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-07196</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(o)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">First Supplemental Indenture dated as of October 25, 1993, between Cascade Natural Gas Corporation and The Bank of New York relating to Medium-Term Notes and the 7.5% Notes due November 15, 2031, filed by Cascade Natural Gas Corporation</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">6/30/93</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-07196</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(p)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/18072/000110465905002676/a05-2233_1ex4d1.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Second Supplemental Indenture, dated January 25, 2005, between Cascade Natural Gas Corporation and The Bank of New York, as trustee, filed by Cascade Natural Gas Corporation</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4.1</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1/26/05</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-07196</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4(q)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/18072/000110465907017453/a07-7532_1ex4d1.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Third Supplemental Indenture dated as of March 8, 2007, between Cascade Natural Gas Corporation and The Bank of New York Trust Company, N.A., as Successor Trustee, filed by Cascade Natural Gas Corporation</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">4.1</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">3/8/07</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-07196</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(a)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771617000063/a2017q2ex10d.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Resources Group, Inc. Supplemental Income Security Plan, as amended and restated May 10, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">6/30/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10(d)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8/4/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(b)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771617000063/a2017q2ex10a.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Resource Group, Inc. Director Compensation Policy, as amended May 10, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">6/30/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10(a)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8/4/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">112</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part IV</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:center;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="8"></td></tr><tr><td style="width:7%;"></td><td style="width:46%;"></td><td style="width:8%;"></td><td style="width:6%;"></td><td style="width:8%;"></td><td style="width:7%;"></td><td style="width:7%;"></td><td style="width:11%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Incorporated by Reference</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Exhibit Number</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Exhibit Description</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Filed Herewith</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Form</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Period Ended</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Exhibit</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Filing Date</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">File Number</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(c)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771608000176/def_comp-dire.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Deferred Compensation Plan for Directors, as amended May&#160;15, 2008</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">6/30/08</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10(a)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8/7/08</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(d)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771611000073/exhibit10a.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Non-Employee Director Stock Compensation Plan, as amended May 12, 2011</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">6/30/11</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10(a)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8/5/11</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(e)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771612000071/exhibit10a.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Resources Group, Inc. Non-Employee Director Long-Term Incentive Compensation Plan, as amended May 17, 2012</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">6/30/12</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10(a)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8/7/12</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(f)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771616000116/a2015ex10f.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Resources Group, Inc. Long-Term Performance-Based Incentive Plan, as amended February 11, 2016</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-K</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">12/31/15</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10(f)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">2/19/16</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(g)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771617000063/a2017q2ex10b.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Resources Group, Inc. Executive Incentive Compensation Plan, as amended May 10, 2017, and Rules and Regulations, as amended May 9, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">6/30/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10(b)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8/4/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(h)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771615000021/exhibit103.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Form of Performance Share Award Agreement under the Long-Term Performance-Based Incentive Plan, as amended February 11, 2015</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10.3</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">2/18/15</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(i)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771616000114/exhibit1031.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Form of Performance Share Award Agreement under the Long-Term Performance-Based Incentive Plan, as amended February 10, 2016</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10.3</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">2/18/16</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(j)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771617000012/a2017exhibit101wannexes.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Form of Performance Share Award Agreement under the Long-Term Performance-Based Incentive Plan, as amended February 16, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10.1</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">2/21/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(k)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771616000114/exhibit1021.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Form of Annual Incentive Award Agreement under the Long-Term Performance-Based Incentive Plan, as amended February 10, 2016</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10.2</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">2/18/16</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(l)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771614000060/exhibit10-1.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Form of MDU Resources Group, Inc. Indemnification Agreement for Section 16 Officers and Directors, dated May&#160;15, 2014</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10.1</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">5/15/14</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(m)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771614000060/exhibit10-2.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Form of Amendment No. 1 to Indemnification Agreement, dated May 15, 2014</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10.2</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">5/15/14</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(n)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771617000087/a2017q3ex10b.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Resources Group, Inc. Section 16 Officers and Directors with Indemnification Agreements Chart, as of October 10, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">9/30/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10(b)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">11/3/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(o)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771617000063/a2017q2ex10c.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Resources Group, Inc. Nonqualified Defined Contribution Plan, as amended May 10, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">6/30/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10(c)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8/4/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(p)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771617000042/a2017q1ex10a.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Resources Group, Inc. 401(k) Retirement Plan, as restated January 1, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">3/31/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10(a)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">5/8/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(q)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771617000042/a2017q1ex10b.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Instrument of Amendment to the MDU Resources Group, Inc. 401(k) Retirement Plan, dated March 31, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">3/31/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10(b)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">5/8/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(r)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771617000063/a2017q2ex10e.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Instrument of Amendment to the MDU Resources Group, Inc. 401(k) Retirement Plan, dated April 10, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">6/30/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10(e)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8/4/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(s)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771617000087/a2017q3ex10a.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Instrument of Amendment to the MDU Resources Group, Inc. 401(k) Retirement Plan, dated August 30, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-Q</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">9/30/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10(a)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">11/3/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(t)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771614000029/mdu-12x31x13xex10ab.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Employment Letter for Jeffrey S. Thiede, dated May 16, 2013</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10-K</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">12/31/13</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10(ab)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">2/21/14</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(u)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771615000080/exhibit10-2letteroffer.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Martin A. Fritz Offer Letter, dated July 1, 2015</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10.2</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">7/2/15</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(v)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771616000119/exhibit102vollmer.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Jason L. Vollmer Offer Letter, dated March 7, 2016</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10.2</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">3/8/16</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+10(w)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="http://www.sec.gov/Archives/edgar/data/67716/000006771617000074/exhibit1012017-vollmer.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Jason L. Vollmer Offer Letter, dated September 20, 2017</span></a></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">8-K</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">10.1</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">9/21/17</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">1-03480</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">12</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="a2017ex12.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Computation of Ratio of Earnings to Fixed Charges and Combined Fixed Charges and Preferred Stock Dividends</span></a></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">X</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">21</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="a2017ex21.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Subsidiaries of MDU Resources Group, Inc.</span></a></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">X</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">23</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="a2017ex23.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Consent of Independent Registered Public Accounting Firm</span></a></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">X</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">31(a)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="a2017ex31a.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Certification of Chief Executive Officer filed pursuant to Section 302 of the Sarbanes-Oxley Act of 2002</span></a></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">X</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">113</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part IV</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:14px;text-align:center;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="8"></td></tr><tr><td style="width:7%;"></td><td style="width:46%;"></td><td style="width:8%;"></td><td style="width:6%;"></td><td style="width:8%;"></td><td style="width:7%;"></td><td style="width:7%;"></td><td style="width:11%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Incorporated by Reference</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Exhibit Number</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Exhibit Description</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Filed Herewith</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Form</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Period Ended</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Exhibit</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Filing Date</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">File Number</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">31(b)</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="a2017ex31b.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Certification of Chief Financial Officer filed pursuant to Section 302 of the Sarbanes-Oxley Act of 2002</span></a></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">X</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">32</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="a2017ex32.htm"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">Certification of Chief Executive Officer and Chief Financial Officer furnished pursuant to 18 U.S.C. 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style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">95</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" 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style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">101.INS</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">XBRL Instance 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style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">101.SCH</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">XBRL Taxonomy 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style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">101.CAL</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">XBRL Taxonomy Extension Calculation Linkbase Document</span></div></td><td 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style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:8.5pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="padding-left:18px;text-indent:-12px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">+&#160;Management contract, compensatory plan or arrangement.</span></div><div style="text-indent:6px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></td></tr><tr><td style="vertical-align:middle;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;">MDU Resources Group, Inc. agrees to furnish to the SEC upon request any instrument with respect to long-term debt that MDU Resources Group, Inc. has not filed as an exhibit pursuant to the exemption provided by Item&#160;601(b)(4)(iii)(A) of Regulation S-K.</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">114</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">   MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div><hr style="page-break-after:always"></hr><div><a id="sC5EB2A35672756A9BB7904D3C075C189"></a></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;color:#000000;font-weight:bold;">Part IV</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></div><div><br/></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Signatures</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Pursuant to the requirements of Section&#160;13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.08429118773945%;border-collapse:collapse;text-align:left;"><tr><td colspan="4"></td></tr><tr><td style="width:9%;"></td><td style="width:29%;"></td><td style="width:4%;"></td><td style="width:58%;"></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:12pt;font-weight:bold;">MDU Resources Group, Inc.</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Date:</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">February&#160;23, 2018</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">By:</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">/s/ David L. Goodin</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">David L. Goodin</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(President and Chief Executive Officer)</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant in the capacities and on the date indicated.</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.08429118773945%;border-collapse:collapse;text-align:left;"><tr><td colspan="3"></td></tr><tr><td style="width:39%;"></td><td style="width:40%;"></td><td style="width:21%;"></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Signature</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Title</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Date</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">/s/ David L. Goodin</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Chief Executive Officer and Director</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">February&#160;23, 2018</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">David L. Goodin</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(President and Chief Executive Officer)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">/s/ Jason L. Vollmer</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Chief Financial Officer</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">February&#160;23, 2018</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Jason L. 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Barth</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Chief Accounting Officer</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">February&#160;23, 2018</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Stephanie A. 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Pearce</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Director</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">February&#160;23, 2018</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Harry J. 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Johnson</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Director</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">February&#160;23, 2018</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Dennis W. 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McCracken</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Director</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">February&#160;23, 2018</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">William E. 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Moss</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Director</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">February&#160;23, 2018</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Patricia L. Moss</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">/s/ John K. Wilson</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Director</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">February&#160;23, 2018</span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">John K. Wilson</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr></table></div></div><div><br/></div><div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"></td></tr><tr><td style="width:100%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:0px;text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">MDU Resources Group, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;"> Form 10-K   </span><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;color:#000000;font-weight:bold;">115</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></div>	</body>
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<DOCUMENT>
<TYPE>EX-12
<SEQUENCE>2
<FILENAME>a2017ex12.htm
<DESCRIPTION>MDU RESOURCES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
<TEXT>
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<div><a name="sA3181B450F1156D0A3F37545A4E723B3"></a></div><div style="line-height:120%;text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">MDU RESOURCES GROUP, INC.</font></div><div style="line-height:120%;text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES</font></div><div style="line-height:120%;text-align:center;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;font-weight:bold;">AND COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS</font></div><div style="line-height:180%;text-align:left;font-size:5pt;"><font style="font-family:inherit;font-size:5pt;">&#160;</font></div><div style="line-height:120%;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:90.97888675623801%;border-collapse:collapse;text-align:left;"><tr><td colspan="22"></td></tr><tr><td style="width:20%;"></td><td style="width:2%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:4%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:4%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:4%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:4%;"></td><td style="width:1%;"></td><td style="width:10%;"></td><td style="width:1%;"></td><td style="width:2%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="19" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Years Ended December 31,</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;text-decoration:underline;">2017</font></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:8px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;text-decoration:underline;">2016</font></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;text-decoration:underline;">2015</font></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;text-decoration:underline;">2014</font></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;text-decoration:underline;">2013</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="19" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">(In thousands of dollars)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Earnings Available for Fixed Charges:</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Net Income (a)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">284,982</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:top;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">233,102</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:top;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">176,545</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:top;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">185,577</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:top;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">171,236</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Income Taxes</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">65,041</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">93,132</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">70,664</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">64,422</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">74,235</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">350,023</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">326,234</font></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">247,209</font></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">249,999</font></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">245,471</font></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Rents (b)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">24,576</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;padding-left:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">21,656</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">17,974</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">15,632</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">13,240</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Interest (c)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">83,091</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:5px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">88,045</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">104,292</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">94,613</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">92,255</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Total Earnings Available for Fixed Charges</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">457,690</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:5px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">435,935</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">369,475</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">360,244</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">350,966</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Preferred Dividend Requirements</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">171</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;padding-left:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;padding-left:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">685</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">685</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">685</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">685</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Ratio of Income Before Income Taxes to Net Income</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">123</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">%</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:5px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">140</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">%</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">140</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">%</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">135</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">%</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">143</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">%</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Preferred Dividend Factor on Pretax Basis</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">210</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;padding-left:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">959</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">959</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">925</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">980</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Fixed Charges (d)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">107,619</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:5px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">109,636</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">117,609</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">111,739</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">103,910</font></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Combined Fixed Charges and Preferred Stock Dividends</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:5px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">107,829</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:5px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">110,595</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">118,568</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">112,664</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">104,890</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Ratio of Earnings to Fixed Charges</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:3px double #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4.3x</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:3px double #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:5px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4.0x</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;text-indent:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3.1x</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3.2x</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3.4x</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:5px;padding-top:2px;padding-bottom:2px;border-top:3px double #000000;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">4.2x</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:3px double #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:5px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3.9x</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;text-indent:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3.1x</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3.2x</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">3.3x</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:16px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:30px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:100%;font-size:10pt;padding-left:0px;"><font style="font-family:inherit;font-size:10pt;">(a)</font></div></td><td style="vertical-align:top;padding-left:18px;"><div style="line-height:100%;text-align:justify;font-size:10pt;text-indent:-18px;"><font style="font-family:inherit;font-size:10pt;">Net income excludes undistributed income for equity investees.</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:16px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:30px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:100%;font-size:10pt;padding-left:0px;"><font style="font-family:inherit;font-size:10pt;">(b)</font></div></td><td style="vertical-align:top;padding-left:18px;"><div style="line-height:100%;text-align:justify;font-size:10pt;text-indent:-18px;"><font style="font-family:inherit;font-size:10pt;">Represents interest portion of rents estimated at 33 1/3%.</font></div></td></tr></table><div style="line-height:100%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:30px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:100%;font-size:10pt;padding-left:0px;"><font style="font-family:inherit;font-size:10pt;">(c)</font></div></td><td style="vertical-align:top;"><div style="line-height:100%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Represents interest, amortization of debt discount and expense on all indebtedness and amortization of interest capitalized, and excludes amortization of gains or losses on reacquired debt (which, under the Federal Energy Regulatory Commission Uniform System of Accounts, is classified as a reduction of, or increase in, interest expense in the Consolidated Statements of Income) and interest capitalized. </font></div></td></tr></table><div style="line-height:100%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:30px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:100%;font-size:10pt;padding-left:0px;"><font style="font-family:inherit;font-size:10pt;">(d)</font></div></td><td style="vertical-align:top;"><div style="line-height:100%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Represents rents (as defined above), interest, amortization of debt discount and expense on all indebtedness, and excludes amortization of gains or losses on reacquired debt (which, under the Federal Energy Regulatory Commission Uniform System of Accounts, is classified as a reduction of, or increase in, interest expense in the Consolidated Statements of Income).</font></div></td></tr></table><div style="line-height:100%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div><br></div>	</body>
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<DOCUMENT>
<TYPE>EX-21
<SEQUENCE>3
<FILENAME>a2017ex21.htm
<DESCRIPTION>MDU RESOURCES SUBSIDIARIES OF MDU RESOURCES
<TEXT>
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<div><a name="s80D4490B0569F13983C49B749E325E4A"></a></div><div></div><div><br></div><div style="line-height:120%;text-align:center;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;">MDU RESOURCES GROUP, INC.</font></div><div style="line-height:120%;text-align:center;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;">List of Subsidiaries</font></div><div style="line-height:120%;text-align:center;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;">(effective December 31, 2017)</font></div><div style="line-height:120%;text-align:center;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><div style="line-height:120%;text-align:center;padding-left:384px;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><div style="line-height:120%;font-size:12pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:77%;"></td><td style="width:23%;"></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;text-decoration:underline;">Subsidiaries</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:center;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;">Jurisdiction of </font><font style="font-family:inherit;font-size:12pt;font-weight:bold;text-decoration:underline;">Formation</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">1250 Gladding Road, LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Alaska Basic Industries, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Alaska</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Ames Sand &amp; Gravel, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">North Dakota</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Anchorage Sand and Gravel Company, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Alaska</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Baldwin Contracting Company, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">California</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">BEH Electric Holdings, LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Nevada</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Bell Electrical Contractors, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Missouri</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">BMH Mechanical Holdings, LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Nevada</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Bombard Electric, LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Nevada</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Bombard Mechanical, LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Nevada</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Capital Electric Construction Company, Inc.   </font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Kansas</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Capital Electric Line Builders, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Kansas</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Cascade Natural Gas Corporation</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Washington</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Centennial Energy Holdings, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Centennial Energy Resources International, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Centennial Energy Resources LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Centennial Holdings Capital LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Central Oregon Redi-Mix, LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Oregon</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Concrete, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">California</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Connolly-Pacific Co.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">California</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">D S S Company</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">California</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Desert Fire Holdings, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Nevada</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Desert Fire Protection, a Nevada Limited Partnership</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Nevada</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Desert Fire Protection, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Nevada</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Desert Fire Protection, LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Nevada</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Duro Electric Company</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Colorado</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">E.S.I., Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Ohio</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Fairbanks Materials, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Alaska</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Fidelity Exploration &amp; Production Company   </font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Fidelity Oil Co.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Frebco, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Ohio</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">FutureSource Capital Corp.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Granite City Ready Mix, Inc.   </font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Minnesota</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Hawaiian Cement, a partnership</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Hawaii</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Independent Fire Fabricators, LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Nevada</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Intermountain Gas Company</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Idaho</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">International Line Builders, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">InterSource Insurance Company</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Vermont</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Jebro Incorporated</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Iowa</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;border-bottom:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">JTL Group, Inc. (Montana corporation)</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;border-bottom:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Montana</font></div></td></tr></table></div></div><div><br></div><div></div><hr style="page-break-after:always"><div></div><div><br></div><div style="line-height:120%;font-size:12pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:77%;"></td><td style="width:23%;"></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">JTL Group, Inc. (Wyoming corporation)</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Wyoming</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Kent&#8217;s Oil Service</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">California</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Knife River Corporation</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Knife River Corporation &#8211; North Central</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Minnesota</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Knife River Corporation &#8211; Northwest</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Oregon</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Knife River Corporation &#8211; South</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Texas</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Knife River Dakota, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Knife River Hawaii, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Knife River Marine, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid 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style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">KRC Holdings, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px 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solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Brazil</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">MDU Construction Services Group, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid 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style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">MDU Resources International LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">MDU Resources Luxembourg I LLC S.a.r.l.   </font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Luxembourg</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">MDU Resources Luxembourg II LLC S.a.r.l.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Luxembourg</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">MDU United Construction Solutions, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Nevada Solar Solutions, LLC   </font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Nevada Valley Solar Solutions I, LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Northstar Materials, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Minnesota</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">On Electric Group, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Oregon</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Prairie Cascade Energy Holdings, LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Prairie Intermountain Energy Holdings, LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Prairielands Energy Marketing, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Rocky Mountain Contractors, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Montana</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">USI Industrial Services, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Wagner Group, Inc., The</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Wagner Industrial Electric, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Wagner-Smith Company, The</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Ohio</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Wagner-Smith Equipment Co.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">WBI Canadian Pipeline, Ltd.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Canada</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">WBI Energy Midstream, LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Colorado</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">WBI Energy Services, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">WBI Energy Transmission, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">WBI Energy Wind Ridge Pipeline, LLC</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">WBI Energy, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">WBI Holdings, Inc.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Delaware</font></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">WHC, Ltd.</font></div></td><td style="vertical-align:top;border-bottom:1px solid #00000a;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-left:1px solid #00000a;border-right:1px solid #00000a;border-top:1px solid #00000a;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Hawaii</font></div></td></tr></table></div></div><div style="line-height:120%;text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><div><br></div><div></div>	</body>
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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>4
<FILENAME>a2017ex23.htm
<DESCRIPTION>MDU RESOURCES CONSENT OF INDEPENDENT ACCOUNTING FIRM
<TEXT>
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<div><a name="s9C988890785D51F5A3230B88B13E312C"></a></div><div style="line-height:120%;padding-bottom:38px;padding-top:140px;text-align:left;font-size:11pt;"><font style="font-family:Arial;font-size:11pt;font-weight:bold;">CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</font></div><div style="line-height:120%;padding-bottom:21px;text-align:left;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">We consent to the incorporation by reference in Registration Statement No. 333-220026 on Form&#160;S-3, and No.&#160;333-27877, No.&#160;333-114488, and No.&#160;333-212635 on Form&#160;S-8, of our reports dated February&#160;23, 2018, relating to the consolidated financial statements and financial statement schedules of MDU Resources Group,&#160;Inc. and subsidiaries (the &#8220;Company&#8221;), and the effectiveness of the Company's internal control over financial reporting, appearing in this Annual Report on Form&#160;10-K of the Company for the year ended December 31, 2017.</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">/s/ Deloitte &amp; Touche LLP</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">Minneapolis, Minnesota</font></div><div style="line-height:120%;text-align:left;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;">February 23, 2018</font></div><div style="line-height:120%;padding-bottom:5px;padding-top:21px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div><br></div>	</body>
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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.A
<SEQUENCE>5
<FILENAME>a2017ex31a.htm
<DESCRIPTION>MDU RESOURCES CERTIFICATION OF CHIEF EXECUTIVE OFFICER
<TEXT>
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<div><a name="s83A2ED9083FE5734B1DB7BA3C268A83B"></a></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><div><br></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">CERTIFICATION</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">I, David L. Goodin, certify that:</font></div><table cellpadding="0" cellspacing="0" style="padding-top:12px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">1.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">I have reviewed this annual report on Form 10-K of MDU Resources Group, Inc.;</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:12px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">2.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:12px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">3.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:12px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">4.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e))</font><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">&#160;</font><font style="font-family:inherit;font-size:10pt;">and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:</font></div></td></tr></table><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;</font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;</font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and</font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and</font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">5.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):</font></div></td></tr></table><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and</font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Date:&#160;&#160;</font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">February&#160;23, 2018</font><font style="font-family:inherit;font-size:10pt;">&#32;</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;text-decoration:underline;">/s/ David L. Goodin</font><font style="font-family:inherit;font-size:10pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">David L. Goodin</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">President and Chief Executive Officer</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div><br></div><div style="text-align:center;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div>	</body>
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<DOCUMENT>
<TYPE>EX-31.B
<SEQUENCE>6
<FILENAME>a2017ex31b.htm
<DESCRIPTION>MDU RESOURCES CERTIFICATION OF CHIEF FINANCIAL OFFICER
<TEXT>
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<div><a name="s751F768E150350709B671A648C702558"></a></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><div><br></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">CERTIFICATION</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">I, Jason L. Vollmer, certify that:</font></div><table cellpadding="0" cellspacing="0" style="padding-top:12px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">1.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">I have reviewed this annual report on Form 10-K of MDU Resources Group, Inc.;</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:12px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">2.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:12px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">3.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:12px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">4.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e))</font><font style="font-family:inherit;font-size:10pt;font-style:italic;font-weight:bold;">&#160;</font><font style="font-family:inherit;font-size:10pt;">and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:</font></div></td></tr></table><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;</font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;</font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and</font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(d) Disclosed in this report any change in the registrant's internal control over financial reporting that occurred during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal control over financial reporting; and</font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">5.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):</font></div></td></tr></table><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and</font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:72px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Date:&#160;&#160;</font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">February&#160;23, 2018</font><font style="font-family:inherit;font-size:10pt;">&#32;</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;text-decoration:underline;">/s/ Jason L. Vollmer &#160;</font><font style="font-family:inherit;font-size:10pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Jason L. Vollmer</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Vice President, Chief Financial Officer and Treasurer</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div><br></div><div style="text-align:center;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div>	</body>
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<DOCUMENT>
<TYPE>EX-32
<SEQUENCE>7
<FILENAME>a2017ex32.htm
<DESCRIPTION>MDU RESOURCES CERTIFICATION OF CEO AND CFO
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<div><a name="s722F8563B9B159B99A30725B8A645BE9"></a></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><div><br></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350,</font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">AS ADOPTED PURSUANT TO SECTION 906</font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">OF THE SARBANES-OXLEY ACT OF 2002</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Each of the undersigned, David L. Goodin, the President and Chief Executive Officer, and Jason L. Vollmer the Vice President, Chief Financial Officer and Treasurer of MDU Resources Group, Inc. (the "Company"), DOES HEREBY CERTIFY that:</font></div><div style="line-height:120%;text-align:left;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">1.&#160;&#160;The Company's Annual Report on Form 10-K for the year ended </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">December&#160;31, 2017</font><font style="font-family:inherit;font-size:10pt;">&#32;(the "Report"), fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and</font></div><div style="line-height:120%;text-align:left;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">2.&#160;&#160;Information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.</font></div><div style="line-height:120%;text-align:left;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">IN WITNESS WHEREOF, each of the undersigned has executed this statement this 23</font><font style="font-family:inherit;font-size:10pt;"><sup style="vertical-align:top;line-height:120%;font-size:7pt">rd</sup></font><font style="font-family:inherit;font-size:10pt;">&#32;day of February, </font><font style="font-family:inherit;font-size:10pt;">2018</font><font style="font-family:inherit;font-size:10pt;">.</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:288px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;text-decoration:underline;">&#160;/s/ David L. Goodin</font><font style="font-family:inherit;font-size:10pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font></div><div style="line-height:120%;text-align:left;padding-left:288px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">David L. Goodin</font></div><div style="line-height:120%;text-align:left;padding-left:288px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">President and Chief Executive Officer</font></div><div style="line-height:120%;text-align:left;padding-left:288px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:288px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:288px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:288px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;text-decoration:underline;">&#160;/s/ Jason L. Vollmer</font><font style="font-family:inherit;font-size:10pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font></div><div style="line-height:120%;text-align:left;padding-left:288px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Jason L. Vollmer</font></div><div style="line-height:120%;text-align:left;padding-left:288px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Vice President, Chief Financial Officer and Treasurer</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">A signed original of this written statement required by Section 906 has been provided to MDU Resources Group, Inc. and will be retained by MDU Resources Group, Inc. and furnished to the Securities and Exchange Commission or its staff upon request.</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div><br></div><div style="text-align:center;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div>	</body>
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<DOCUMENT>
<TYPE>EX-95
<SEQUENCE>8
<FILENAME>a2017ex95.htm
<DESCRIPTION>MDU RESOURCES MINE SAFETY DISCLOSURES
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<div><a name="sD44E28024BD851DAB124ECCB16959F42"></a></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><div><br></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">MDU RESOURCES GROUP, INC.</font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">MINE SAFETY INFORMATION</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The Dodd-Frank Wall Street Reform and Consumer Protection Act (Dodd-Frank Act) requires issuers to include in periodic reports filed with the SEC certain information relating to citations or orders for violations of standards under the Federal Mine Safety and Health Act of 1977 (Mine Act), as amended by the Mine Improvement and New Emergency Response Act of 2006 (Mine Safety Act). The Dodd-Frank Act requires reporting of the following types of citations or orders:</font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">1.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Citations issued under Section 104 of the Mine Safety Act for violations that could significantly and substantially contribute to the cause and effect of a coal or other mine safety or health hazard.</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">2.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Orders issued under Section 104(b) of the Mine Safety Act. Orders are issued under this section when citations issued under Section 104 have not been totally abated within the time period allowed by the citation or subsequent extensions.</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">3.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Citations or orders issued under Section 104(d) of the Mine Safety Act. Citations or orders are issued under this section when it has been determined that the violation is caused by an unwarrantable failure of the mine operator to comply with the standards. An unwarrantable failure occurs when the mine operator is deemed to have engaged in aggravated conduct constituting more than ordinary negligence.</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">4.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Citations issued under Section 110(b)(2) of the Mine Safety Act for flagrant violations. Violations are considered flagrant for repeat or reckless failures to make reasonable efforts to eliminate a known violation of a mandatory health and safety standard that substantially and proximately caused, or reasonably could have been expected to cause, death or serious bodily injury.</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">5.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Imminent danger orders issued under Section 107(a) of the Mine Safety Act. An imminent danger is defined as the existence of any condition or practice in a coal or other mine which could reasonably be expected to cause death or serious physical harm before such condition or practice can be abated.  </font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">6.</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Notice received under Section 104(e) of the Mine Safety Act of a pattern of violations or the potential to have such a pattern of violations that could significantly and substantially contribute to the cause and effect of mine health and safety standards.  </font></div></td></tr></table><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">During the twelve months ended </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">December&#160;31, 2017</font><font style="font-family:inherit;font-size:10pt;">, none of the Company's operating subsidiaries received citations or orders under the following sections of the Mine Safety Act: 104(b), 110(b)(2), 107(a) and 104(e). During the twelve months ended </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">December&#160;31, 2017</font><font style="font-family:inherit;font-size:10pt;">, one of the Company's operating subsidiaries received a citation and order under Section 104(d) of the Mine Safety Act. The Company had no mining-related fatalities during this period.  </font></div><div><br></div><div style="text-align:center;"><div style="line-height:120%;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;">1</font></div></div><hr style="page-break-after:always"><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><div><br></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:77.5390625%;border-collapse:collapse;text-align:left;"><tr><td colspan="14"></td></tr><tr><td style="width:21%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">MSHA Identification Number/Contractor ID</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Section 104 S&amp;S Citations (#)</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Section 104(d) Citations and Orders (#)</font></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Total Dollar Value of MSHA Assessments Proposed ($)</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Legal Actions Pending as of Last Day of Period (#)</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Legal Actions Initiated During Period (#)</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Legal Actions Resolved During Period (#)</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">04-00081</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:2px solid #000000;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">2</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:2px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">$</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">04-01698</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">04-05140</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">580</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">04-05156</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">04-05459</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">346</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">10-02088</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">232</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">10-02089</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">2</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1,574</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">10-02170</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">542</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">2</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">2</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">13-02222</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">348</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-02614</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">668</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-02702</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">898</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">4</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-02718</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1,331</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-03086</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">204</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-03096</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1,216</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">4</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-03112</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-03127</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">462</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-03185</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">344</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-03248</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">3</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">2,660</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-03416</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-03502</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">685</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-03732</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-03783</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-03812</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">3</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1,295</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-03870</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-03872</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">24-00459</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">232</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">24-00462</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">2</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1,621</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">24-00478</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">24-02095</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">380</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">24-02414</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">232</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">32-00774</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">32-00776</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">668</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">32-00777</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">114</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">32-00950</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">844</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-00426</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-00463</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">232</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-00495</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">228</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-00512</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1,273</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-02906</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">436</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-02968</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">455</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-03022</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">512</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-03131</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">580</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr></table></div></div><div><br></div><div style="text-align:center;"><div style="line-height:120%;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;">2</font></div></div><hr style="page-break-after:always"><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><div><br></div><div style="line-height:120%;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:77.5390625%;border-collapse:collapse;text-align:left;"><tr><td colspan="14"></td></tr><tr><td style="width:21%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:13%;"></td><td style="width:1%;"></td><td style="width:1%;"></td><td style="width:11%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td><td style="width:12%;"></td><td style="width:1%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:2px solid #000000;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">MSHA Identification Number/Contractor ID</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:2px solid #000000;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Section 104 S&amp;S Citations (#)</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:2px solid #000000;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Section 104(d) Citations and Orders (#)</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:2px solid #000000;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Total Dollar Value of MSHA Assessments Proposed ($)</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:2px solid #000000;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Legal Actions Pending as of Last Day of Period (#)</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:2px solid #000000;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Legal Actions Initiated During Period (#)</font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:2px solid #000000;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Legal Actions Resolved During Period (#)</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-03404</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-03478</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-03496</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">2</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">770</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">2</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">2</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-03505</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-03595</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-03605</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">230</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-03639</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-03667</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-03752</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">232</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">35-03678</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">129</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">41-02639</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">709</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">41-03931</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">348</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">48-01383</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">48-01670</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">361</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">50-00883</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">375</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">50-01196</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">51-00036</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">7</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">9,941</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">8</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">8</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">51-00171</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">232</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">51-00192</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">491</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">51-00195</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">232</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">51-00241</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">2</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">724</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">51-00242</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">116</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">I6K (Contractor ID)</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">428</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">37</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">$</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">38,482</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">11</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">15</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">17</font></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr></table></div></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Legal actions pending before the Federal Mine Safety and Health Review Commission (the Commission) may involve, among other questions, challenges by operators to citations, orders and penalties they have received from the Federal Mine Safety and Health Administration (MSHA) or complaints of discrimination by miners under section 105 of the Mine Act. The following is a brief description of the types of legal actions that may be brought before the Commission.</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">&#8226;</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Contests of Citations and Orders - A contest proceeding may be filed with the Commission by operators, miners or miners' representatives to challenge the issuance of a citation or order issued by MSHA.</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">&#8226;</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Contests of Proposed Penalties (Petitions for Assessment of Penalties) - A contest of a proposed penalty is an administrative proceeding before the Commission challenging a civil penalty that MSHA has proposed for the alleged violation contained in a citation or order.</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">&#8226;</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Complaints for Compensation - A complaint for compensation may be filed with the Commission by miners entitled to compensation when a mine is closed by certain withdrawal orders issued by MSHA. The purpose of the proceeding is to determine the amount of compensation, if any, due miners idled by the orders.</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">&#8226;</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Complaints of Discharge, Discrimination or Interference - A discrimination proceeding is a case that involves a miner's allegation that he or she has suffered a wrong by the operator because he or she engaged in some type of activity protected under the Mine Act, such as making a safety complaint.</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">&#8226;</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Applications for Temporary Relief - Applications for temporary relief from any modification or termination of any order or from any order issued under section 104 of the Mine Act.</font></div></td></tr></table><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:48px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:24px;"><font style="font-family:inherit;font-size:10pt;">&#8226;</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Appeals of Judges' Decisions or Orders to the Commission - A filing with the Commission for discretionary review of a judge's decision or order by a person who has been adversely affected or aggrieved by such decision or order.</font></div></td></tr></table><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The following table reflects the types of legal actions pending before the Commission as of </font><font style="font-family:inherit;font-size:10pt;color:#000000;text-decoration:none;">December&#160;31, 2017</font><font style="font-family:inherit;font-size:10pt;">:</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div><br></div><div style="text-align:center;"><div style="line-height:120%;font-size:9pt;"><font style="font-family:inherit;font-size:9pt;">3</font></div></div><hr style="page-break-after:always"><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><div><br></div><div style="line-height:120%;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:542px;border-collapse:collapse;text-align:left;"><tr><td colspan="13"></td></tr><tr><td style="width:120px;"></td><td style="width:63px;"></td><td style="width:3px;"></td><td style="width:63px;"></td><td style="width:3px;"></td><td style="width:72px;"></td><td style="width:3px;"></td><td style="width:73px;"></td><td style="width:3px;"></td><td style="width:63px;"></td><td style="width:3px;"></td><td style="width:63px;"></td><td style="width:3px;"></td></tr><tr><td style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">MSHA Identification Number</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Contests of Citations and Orders</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Contests of Proposed Penalties</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Complaints for Compensation</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Complaints of Discharge, Discrimination or Interference</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Applications for Temporary Relief</font></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:2px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;font-weight:bold;">Appeals of Judges' Decisions or Orders to the Commission</font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">10-02170</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">2</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">21-03248</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">51-00036</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">8</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">51-00195</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">1</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;">&#8212;</font></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></td><td 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  <xsd:element abstract="true" id="mdu_ConstructionMaterialsAndContractingMember" name="ConstructionMaterialsAndContractingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_ConstructionServicesMember" name="ConstructionServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_ContinuinganddiscontinuedoperationsMember" name="ContinuinganddiscontinuedoperationsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_ContractedtoIssueAdditionalDebt" name="ContractedtoIssueAdditionalDebt" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mdu_CostsRelatedToIdentifyingGenerationDevelopmentMember" name="CostsRelatedToIdentifyingGenerationDevelopmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_CoyoteStationMember" name="CoyoteStationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_CustomerAdvances" name="CustomerAdvances" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mdu_DakotaPrairieRefiningLlcMember" name="DakotaPrairieRefiningLlcMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_DeferredChargesAndOtherAssetsAbstract" name="DeferredChargesAndOtherAssetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_DeferredTaxAssetsTaxCreditCarryforwardsProductionTaxCredits" name="DeferredTaxAssetsTaxCreditCarryforwardsProductionTaxCredits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mdu_DeferredTaxLiabilitiesReclasstoRegulatoryAssets" name="DeferredTaxLiabilitiesReclasstoRegulatoryAssets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mdu_DeferredTaxReconciliationOther" name="DeferredTaxReconciliationOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdu_DeferredTaxReconciliationOtherComprehensiveIncome" name="DeferredTaxReconciliationOtherComprehensiveIncome" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdu_DeferredTaxliabilitiesPostretirementBenefits" name="DeferredTaxliabilitiesPostretirementBenefits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdu_DefinedBenefitPlanAccumulatedOtherComprehensionIncomeLossorRegulatoryAssetsorLiabilitiesNetPriorServiceCostCreditBeforeTax" name="DefinedBenefitPlanAccumulatedOtherComprehensionIncomeLossorRegulatoryAssetsorLiabilitiesNetPriorServiceCostCreditBeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mdu_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesBeforeTax" name="DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesBeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mdu_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesGainLossbeforeTax" name="DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesGainLossbeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mdu_DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTax" name="DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mdu_DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTaxTotal" name="DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTaxTotal" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mdu_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongTermReturnOnAssets" name="DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongTermReturnOnAssets" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="mdu_DefinedBenefitPlanExpectedAmortizationofGainLossNextYear" name="DefinedBenefitPlanExpectedAmortizationofGainLossNextYear" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdu_DefinedBenefitPlanExpectedAmortizationofPriorServiceCostCreditNextYear" name="DefinedBenefitPlanExpectedAmortizationofPriorServiceCostCreditNextYear" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mdu_DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized" name="DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mdu_DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized" name="DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_DefinedContributionPlanMember" name="DefinedContributionPlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_DisposalGroupIncludingDiscontinuedOperationAllowanceForImpairmentOfAssetsHeldForSaleNonCurrent" name="DisposalGroupIncludingDiscontinuedOperationAllowanceForImpairmentOfAssetsHeldForSaleNonCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdu_DisposalGroupIncludingDiscontinuedOperationIncomeTaxesReceivableAssetsCurrent" name="DisposalGroupIncludingDiscontinuedOperationIncomeTaxesReceivableAssetsCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mdu_DisposalGroupIncludingDiscontinuedOperationTaxesPayableCurrent" name="DisposalGroupIncludingDiscontinuedOperationTaxesPayableCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdu_DisposalGroupNotDiscontinuedOperationGainLossonDisposalNetofTax" name="DisposalGroupNotDiscontinuedOperationGainLossonDisposalNetofTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_EdisonPensionPlanMember" name="EdisonPensionPlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_EffectiveIncomeTaxRateIncometaxexpensebenefitcontinuingoperationsreclassofdeferredtaxassetliability." name="EffectiveIncomeTaxRateIncometaxexpensebenefitcontinuingoperationsreclassofdeferredtaxassetliability." nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_EffectiveTaxRateIncomeTaxExpenseBenefitContinuingOperationsAdjustmentofDeferredTaxAssetLiability" name="EffectiveTaxRateIncomeTaxExpenseBenefitContinuingOperationsAdjustmentofDeferredTaxAssetLiability" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_ElectricMember" name="ElectricMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_ElectrictransmissionrateproceedingMember" name="ElectrictransmissionrateproceedingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_EnvironmentalMattersAccrualForRemedialInvestigationandFeasibilityStudyCosts" name="EnvironmentalMattersAccrualForRemedialInvestigationandFeasibilityStudyCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdu_EnvironmentalMattersAccrualForSiteRemediation" name="EnvironmentalMattersAccrualForSiteRemediation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdu_EnvironmentalMattersEstimatedCosts" name="EnvironmentalMattersEstimatedCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mdu_EnvironmentalMattersInvestigativeCosts" name="EnvironmentalMattersInvestigativeCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mdu_EquitiesSecuritiesOfInternationalCompaniesMember" name="EquitiesSecuritiesOfInternationalCompaniesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_EquitySecuritiesOfUSCompaniesMember" name="EquitySecuritiesOfUSCompaniesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_EquityinEarningsLossofSubsidiariesFromContinuingOperations" name="EquityinEarningsLossofSubsidiariesFromContinuingOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdu_EquityinEarningsLossofSubsidiariesFromDiscontinuedOperationsAttributabletotheCompany" name="EquityinEarningsLossofSubsidiariesFromDiscontinuedOperationsAttributabletotheCompany" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdu_EstimatedProjectCost" name="EstimatedProjectCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mdu_EstimatedProportionalShareOfCleanupLiability" name="EstimatedProportionalShareOfCleanupLiability" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mdu_EugeneORManufacturedGasPlantSiteMember" name="EugeneORManufacturedGasPlantSiteMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_ExplorationAndProductionMember" name="ExplorationAndProductionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_FacilityLimitAmendedBorrowingCapacity" name="FacilityLimitAmendedBorrowingCapacity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mdu_FederalandStateTaxingAuthorityMember" name="FederalandStateTaxingAuthorityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_FixedMaximumAmountsGuaranteedByYearFive" name="FixedMaximumAmountsGuaranteedByYearFive" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdu_FixedMaximumAmountsGuaranteedByYearFour" name="FixedMaximumAmountsGuaranteedByYearFour" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdu_FixedMaximumAmountsGuaranteedByYearNoMaturityDate" name="FixedMaximumAmountsGuaranteedByYearNoMaturityDate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdu_FixedMaximumAmountsGuaranteedByYearOne" name="FixedMaximumAmountsGuaranteedByYearOne" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdu_FixedMaximumAmountsGuaranteedByYearThree" name="FixedMaximumAmountsGuaranteedByYearThree" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdu_FixedMaximumAmountsGuaranteedByYearTwo" name="FixedMaximumAmountsGuaranteedByYearTwo" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="mdu_FixedMaximumAmountsGuaranteedThereafter" name="FixedMaximumAmountsGuaranteedThereafter" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mdu_FuelContractMember" name="FuelContractMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_GasStorageMember" name="GasStorageMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_GatheringandprocessingMemberDomain" name="GatheringandprocessingMemberDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_GrantDateMarch2016Member" name="GrantDateMarch2016Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_GrantdateFebruary2016Member" name="GrantdateFebruary2016Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_Grantdatefebruary2017Member" name="Grantdatefebruary2017Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_HistoricalVolitilityRate" name="HistoricalVolitilityRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_IBEWLocalNo.357PensionPlanAMember" name="IBEWLocalNo.357PensionPlanAMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_IPUCMember" name="IPUCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_IbewLocal648PensionPlanMember" name="IbewLocal648PensionPlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_IbewLocalNo82PensionPlanMember" name="IbewLocalNo82PensionPlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_IdahoPlumbersandPipefittersPensionPlanMember" name="IdahoPlumbersandPipefittersPensionPlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_ImpairmentOfOilAndGasPropertiesAfterTax" name="ImpairmentOfOilAndGasPropertiesAfterTax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mdu_ImpliedVolatilityRate" name="ImpliedVolatilityRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_IncomeTaxExpenseBenefitContinuingOperationsReclassofDeferredTaxAssetLiability" name="IncomeTaxExpenseBenefitContinuingOperationsReclassofDeferredTaxAssetLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdu_IncomeTaxReconciliationChangeInNetDeferredIncomeTaxLiability" name="IncomeTaxReconciliationChangeInNetDeferredIncomeTaxLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdu_IncurredCostsForSiteRemedialInvestigationAndFeasibilityStudy" name="IncurredCostsForSiteRemedialInvestigationAndFeasibilityStudy" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mdu_IncurredCostsForSiteRemediation" name="IncurredCostsForSiteRemediation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_InsuranceInvestmentContractMember" name="InsuranceInvestmentContractMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_InterestExpenseRecognizedInIncomeTaxExpense" name="InterestExpenseRecognizedInIncomeTaxExpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_IntermountainGasCompanyMember" name="IntermountainGasCompanyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_Intersegmentoperatingrevenues" name="Intersegmentoperatingrevenues" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdu_InvestmentInSubsidiaries" name="InvestmentInSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mdu_InvestmentTaxCreditCarryforwardAmount" name="InvestmentTaxCreditCarryforwardAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mdu_InvestmentsFromAndAdvancesFromSubsidiaries" name="InvestmentsFromAndAdvancesFromSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="mdu_InvestmentsInAndAdvancesToSubsidiaries" name="InvestmentsInAndAdvancesToSubsidiaries" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="mdu_InvestmentsInNonqualifiedBenefitPlans" name="InvestmentsInNonqualifiedBenefitPlans" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="mdu_LettersofCreditSettoExpireinNextFiscalYear" name="LettersofCreditSettoExpireinNextFiscalYear" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mdu_LiabilitiesRefundableGasCostsMember" name="LiabilitiesRefundableGasCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_LifeInsuranceCarriedOnPlanParticipantsMember" name="LifeInsuranceCarriedOnPlanParticipantsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_LitigationRelatedToConstructionServicesMember" name="LitigationRelatedToConstructionServicesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_LocalUnion212IbewPensionTrustFundMember" name="LocalUnion212IbewPensionTrustFundMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_LongtermPrivateShelfAgreementIssuanceCapacity" name="LongtermPrivateShelfAgreementIssuanceCapacity" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mdu_MISOMember" name="MISOMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_MNPUCMember" name="MNPUCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_MasterShelfAgreementMemberMember" name="MasterShelfAgreementMemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_MaximumDistributionsToTheCompanyAsARatioOfAverageConsolidatedIndebtednessToConsolidatedEBITDA" name="MaximumDistributionsToTheCompanyAsARatioOfAverageConsolidatedIndebtednessToConsolidatedEBITDA" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_MduResourcesGroupIncMember" name="MduResourcesGroupIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember" name="MinnesotaTeamstersConstructionDivisionPensionFundMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="mdu_MtpscMember" name="MtpscMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_Mulitiemployerplanyellowstatusfundedpercentage" name="Mulitiemployerplanyellowstatusfundedpercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_MultiemployerDiscountedFutureQuarterlyPayments" name="MultiemployerDiscountedFutureQuarterlyPayments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="mdu_MultiemployerPlansDefinedContributionMember" name="MultiemployerPlansDefinedContributionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="mdu_MultiemployerWithdrawalLiabilityPriorAccrual" name="MultiemployerWithdrawalLiabilityPriorAccrual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
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  <xsd:element id="mdu_ThresholdOfLikelihoodOfTaxPositionsBeingRealizedUponUltimateSettlementWithTaxingAuthority" name="ThresholdOfLikelihoodOfTaxPositionsBeingRealizedUponUltimateSettlementWithTaxingAuthority" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
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</xsd:schema>
</XBRL>
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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>10
<FILENAME>mdu-20171231_cal.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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  <link:roleRef roleURI="http://www.mdu.com/role/ComponentsOfDeferredTaxAssetsAndLiabilitiesDetails4" xlink:href="mdu-20171231.xsd#ComponentsOfDeferredTaxAssetsAndLiabilitiesDetails4" xlink:type="simple" />
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  <link:roleRef roleURI="http://www.mdu.com/role/ComponentsOfNetPeriodicBenefitCostDetails3" xlink:href="mdu-20171231.xsd#ComponentsOfNetPeriodicBenefitCostDetails3" xlink:type="simple" />
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    <link:label id="lab_us-gaap_JointlyOwnedUtilityPlantDomain_DA485D2911983A5147A48C3F4F7F79EF_terseLabel_en-US" xlink:label="lab_us-gaap_JointlyOwnedUtilityPlantDomain_DA485D2911983A5147A48C3F4F7F79EF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Jointly Owned Utility Plant [Domain]</link:label>
    <link:label id="lab_us-gaap_JointlyOwnedUtilityPlantDomain_DA485D2911983A5147A48C3F4F7F79EF_label_en-US" xlink:label="lab_us-gaap_JointlyOwnedUtilityPlantDomain_DA485D2911983A5147A48C3F4F7F79EF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Jointly Owned Utility Plant [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantDomain" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantDomain_DA485D2911983A5147A48C3F4F7F79EF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_JointlyOwnedUtilityPlantDomain_DA485D2911983A5147A48C3F4F7F79EF" xlink:to="lab_us-gaap_JointlyOwnedUtilityPlantDomain_DA485D2911983A5147A48C3F4F7F79EF" xlink:type="arc" />
    <link:label id="lab_us-gaap_JointlyOwnedElectricityGenerationPlantMember_B59E7BCC77C77EE55FC28C3F4F7FBFDC_terseLabel_en-US" xlink:label="lab_us-gaap_JointlyOwnedElectricityGenerationPlantMember_B59E7BCC77C77EE55FC28C3F4F7FBFDC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Jointly owned electricity generation plant</link:label>
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    <link:label id="lab_us-gaap_PublicUtilityAxis_635FA4FE603EFACA0E6B8C3F4F7FDCE4_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilityAxis_635FA4FE603EFACA0E6B8C3F4F7FDCE4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Public Utility [Axis]</link:label>
    <link:label id="lab_us-gaap_PublicUtilityAxis_635FA4FE603EFACA0E6B8C3F4F7FDCE4_label_en-US" xlink:label="lab_us-gaap_PublicUtilityAxis_635FA4FE603EFACA0E6B8C3F4F7FDCE4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Public Utility [Axis]</link:label>
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    <link:label id="lab_us-gaap_UtilityPlantDomain_8B84C60BD890C5E00A558C3F4F7F1EBA_terseLabel_en-US" xlink:label="lab_us-gaap_UtilityPlantDomain_8B84C60BD890C5E00A558C3F4F7F1EBA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Utility plant [Domain]</link:label>
    <link:label id="lab_us-gaap_UtilityPlantDomain_8B84C60BD890C5E00A558C3F4F7F1EBA_label_en-US" xlink:label="lab_us-gaap_UtilityPlantDomain_8B84C60BD890C5E00A558C3F4F7F1EBA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Utility Plant [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UtilityPlantDomain" xlink:label="loc_us-gaap_UtilityPlantDomain_8B84C60BD890C5E00A558C3F4F7F1EBA" xlink:type="locator" />
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    <link:label id="lab_mdu_BigStoneStationMember_49C1B8187790E771ABE38C3F4F7FAF93_terseLabel_en-US" xlink:label="lab_mdu_BigStoneStationMember_49C1B8187790E771ABE38C3F4F7FAF93" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Big Stone Station [Member]</link:label>
    <link:label id="lab_mdu_BigStoneStationMember_49C1B8187790E771ABE38C3F4F7FAF93_label_en-US" xlink:label="lab_mdu_BigStoneStationMember_49C1B8187790E771ABE38C3F4F7FAF93" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Big Stone Station [Member]</link:label>
    <link:label id="lab_mdu_BigStoneStationMember_49C1B8187790E771ABE38C3F4F7FAF93_documentation_en-US" xlink:label="lab_mdu_BigStoneStationMember_49C1B8187790E771ABE38C3F4F7FAF93" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Jointly owned plant in connection with generation of electricity excluding nuclear.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_BigStoneStationMember" xlink:label="loc_mdu_BigStoneStationMember_49C1B8187790E771ABE38C3F4F7FAF93" xlink:type="locator" />
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    <link:label id="lab_mdu_CoyoteStationMember_0615888154AAAD17AF4B8C3F4F7F5146_terseLabel_en-US" xlink:label="lab_mdu_CoyoteStationMember_0615888154AAAD17AF4B8C3F4F7F5146" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Coyote Station [Member]</link:label>
    <link:label id="lab_mdu_CoyoteStationMember_0615888154AAAD17AF4B8C3F4F7F5146_label_en-US" xlink:label="lab_mdu_CoyoteStationMember_0615888154AAAD17AF4B8C3F4F7F5146" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Coyote Station [Member]</link:label>
    <link:label id="lab_mdu_CoyoteStationMember_0615888154AAAD17AF4B8C3F4F7F5146_documentation_en-US" xlink:label="lab_mdu_CoyoteStationMember_0615888154AAAD17AF4B8C3F4F7F5146" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Jointly owned plant in connection with generation of electricity excluding nuclear.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_CoyoteStationMember" xlink:label="loc_mdu_CoyoteStationMember_0615888154AAAD17AF4B8C3F4F7F5146" xlink:type="locator" />
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    <link:label id="lab_mdu_WygenIiiMember_A507EC5D1F957D9A80F38C3F4F7F04D6_terseLabel_en-US" xlink:label="lab_mdu_WygenIiiMember_A507EC5D1F957D9A80F38C3F4F7F04D6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wygen III [Member]</link:label>
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    <link:label id="lab_mdu_WygenIiiMember_A507EC5D1F957D9A80F38C3F4F7F04D6_documentation_en-US" xlink:label="lab_mdu_WygenIiiMember_A507EC5D1F957D9A80F38C3F4F7F04D6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Jointly owned plant in connection with generation of electricity excluding nuclear.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_WygenIiiMember" xlink:label="loc_mdu_WygenIiiMember_A507EC5D1F957D9A80F38C3F4F7F04D6" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantInterestsLineItems" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems_779F7477B2F9E9930A3C8C3F4F7F2EE4" xlink:type="locator" />
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    <link:label id="lab_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService_B66D013A29842FB00E018C3F4F7F9F9B_terseLabel_en-US" xlink:label="lab_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService_B66D013A29842FB00E018C3F4F7F9F9B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Utility plant in service</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService_B66D013A29842FB00E018C3F4F7F9F9B" xlink:type="locator" />
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    <link:label id="lab_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation_E3707E1D189D6E051E9E8C3F4F7F37D3_terseLabel_en-US" xlink:label="lab_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation_E3707E1D189D6E051E9E8C3F4F7F37D3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Less accumulated depreciation</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation_E3707E1D189D6E051E9E8C3F4F7F37D3" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmount" xlink:label="loc_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmount_E9A344C965EC92798C9F8C3F4F7F42B3" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RangeAxis_E5A99E8D7E59CEC55E558C3F4F1E091D_terseLabel_en-US" xlink:label="lab_us-gaap_RangeAxis_E5A99E8D7E59CEC55E558C3F4F1E091D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [Axis]</link:label>
    <link:label id="lab_us-gaap_RangeAxis_E5A99E8D7E59CEC55E558C3F4F1E091D_label_en-US" xlink:label="lab_us-gaap_RangeAxis_E5A99E8D7E59CEC55E558C3F4F1E091D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_E5A99E8D7E59CEC55E558C3F4F1E091D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RangeMember_C6AD5B7D5AEFE48BC4D98C3F4F1E59E2_terseLabel_en-US" xlink:label="lab_us-gaap_RangeMember_C6AD5B7D5AEFE48BC4D98C3F4F1E59E2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Range [Domain]</link:label>
    <link:label id="lab_us-gaap_RangeMember_C6AD5B7D5AEFE48BC4D98C3F4F1E59E2_label_en-US" xlink:label="lab_us-gaap_RangeMember_C6AD5B7D5AEFE48BC4D98C3F4F1E59E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Range [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_C6AD5B7D5AEFE48BC4D98C3F4F1E59E2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_MinimumMember_06422D1A22F370CFDD6C8C3F4F1E69AC_terseLabel_en-US" xlink:label="lab_us-gaap_MinimumMember_06422D1A22F370CFDD6C8C3F4F1E69AC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum [Member]</link:label>
    <link:label id="lab_us-gaap_MinimumMember_06422D1A22F370CFDD6C8C3F4F1E69AC_label_en-US" xlink:label="lab_us-gaap_MinimumMember_06422D1A22F370CFDD6C8C3F4F1E69AC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_06422D1A22F370CFDD6C8C3F4F1E69AC" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinimumMember_06422D1A22F370CFDD6C8C3F4F1E69AC" xlink:to="lab_us-gaap_MinimumMember_06422D1A22F370CFDD6C8C3F4F1E69AC" xlink:type="arc" />
    <link:label id="lab_us-gaap_MaximumMember_A92BF86A7A082F76C23C8C3F4F1E4962_terseLabel_en-US" xlink:label="lab_us-gaap_MaximumMember_A92BF86A7A082F76C23C8C3F4F1E4962" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum [Member]</link:label>
    <link:label id="lab_us-gaap_MaximumMember_A92BF86A7A082F76C23C8C3F4F1E4962_label_en-US" xlink:label="lab_us-gaap_MaximumMember_A92BF86A7A082F76C23C8C3F4F1E4962" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_A92BF86A7A082F76C23C8C3F4F1E4962" xlink:type="locator" />
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    <link:label id="lab_us-gaap_EnvironmentalRemediationSiteAxis_86CDCE9FFF5F7F59B0F78C3F4F1E5008_terseLabel_en-US" xlink:label="lab_us-gaap_EnvironmentalRemediationSiteAxis_86CDCE9FFF5F7F59B0F78C3F4F1E5008" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Environmental Remediation Site [Axis]</link:label>
    <link:label id="lab_us-gaap_EnvironmentalRemediationSiteAxis_86CDCE9FFF5F7F59B0F78C3F4F1E5008_label_en-US" xlink:label="lab_us-gaap_EnvironmentalRemediationSiteAxis_86CDCE9FFF5F7F59B0F78C3F4F1E5008" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Environmental Remediation Site [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EnvironmentalRemediationSiteAxis" xlink:label="loc_us-gaap_EnvironmentalRemediationSiteAxis_86CDCE9FFF5F7F59B0F78C3F4F1E5008" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EnvironmentalRemediationSiteAxis_86CDCE9FFF5F7F59B0F78C3F4F1E5008" xlink:to="lab_us-gaap_EnvironmentalRemediationSiteAxis_86CDCE9FFF5F7F59B0F78C3F4F1E5008" xlink:type="arc" />
    <link:label id="lab_us-gaap_EnvironmentalRemediationSiteDomain_580FDD61BB490242D5618C3F4F1E5B0B_terseLabel_en-US" xlink:label="lab_us-gaap_EnvironmentalRemediationSiteDomain_580FDD61BB490242D5618C3F4F1E5B0B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Environmental Remediation Site [Domain]</link:label>
    <link:label id="lab_us-gaap_EnvironmentalRemediationSiteDomain_580FDD61BB490242D5618C3F4F1E5B0B_label_en-US" xlink:label="lab_us-gaap_EnvironmentalRemediationSiteDomain_580FDD61BB490242D5618C3F4F1E5B0B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Environmental Remediation Site [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EnvironmentalRemediationSiteDomain" xlink:label="loc_us-gaap_EnvironmentalRemediationSiteDomain_580FDD61BB490242D5618C3F4F1E5B0B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EnvironmentalRemediationSiteDomain_580FDD61BB490242D5618C3F4F1E5B0B" xlink:to="lab_us-gaap_EnvironmentalRemediationSiteDomain_580FDD61BB490242D5618C3F4F1E5B0B" xlink:type="arc" />
    <link:label id="lab_mdu_PortlandHarborSiteMember_8FD4854B2CDB866CB1878C3F4F1EC326_terseLabel_en-US" xlink:label="lab_mdu_PortlandHarborSiteMember_8FD4854B2CDB866CB1878C3F4F1EC326" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Portland Harbor site [Member]</link:label>
    <link:label id="lab_mdu_PortlandHarborSiteMember_8FD4854B2CDB866CB1878C3F4F1EC326_label_en-US" xlink:label="lab_mdu_PortlandHarborSiteMember_8FD4854B2CDB866CB1878C3F4F1EC326" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Portland Harbor Site [Member]</link:label>
    <link:label id="lab_mdu_PortlandHarborSiteMember_8FD4854B2CDB866CB1878C3F4F1EC326_documentation_en-US" xlink:label="lab_mdu_PortlandHarborSiteMember_8FD4854B2CDB866CB1878C3F4F1EC326" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information related to the Portland Harbor site clean-up.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_PortlandHarborSiteMember" xlink:label="loc_mdu_PortlandHarborSiteMember_8FD4854B2CDB866CB1878C3F4F1EC326" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_PortlandHarborSiteMember_8FD4854B2CDB866CB1878C3F4F1EC326" xlink:to="lab_mdu_PortlandHarborSiteMember_8FD4854B2CDB866CB1878C3F4F1EC326" xlink:type="arc" />
    <link:label id="lab_mdu_EugeneORManufacturedGasPlantSiteMember_30F7E876C115538B70448C3F4F1E6B75_terseLabel_en-US" xlink:label="lab_mdu_EugeneORManufacturedGasPlantSiteMember_30F7E876C115538B70448C3F4F1E6B75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Eugene, OR manufactured gas plant site [Member]</link:label>
    <link:label id="lab_mdu_EugeneORManufacturedGasPlantSiteMember_30F7E876C115538B70448C3F4F1E6B75_label_en-US" xlink:label="lab_mdu_EugeneORManufacturedGasPlantSiteMember_30F7E876C115538B70448C3F4F1E6B75" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Eugene,OR Manufactured Gas Plant Site [Member]</link:label>
    <link:label id="lab_mdu_EugeneORManufacturedGasPlantSiteMember_30F7E876C115538B70448C3F4F1E6B75_documentation_en-US" xlink:label="lab_mdu_EugeneORManufacturedGasPlantSiteMember_30F7E876C115538B70448C3F4F1E6B75" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Claim #1 - Soil and groundwater contamination at a manufactured gas plant site in Oregon received in 1995.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_EugeneORManufacturedGasPlantSiteMember" xlink:label="loc_mdu_EugeneORManufacturedGasPlantSiteMember_30F7E876C115538B70448C3F4F1E6B75" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_EugeneORManufacturedGasPlantSiteMember_30F7E876C115538B70448C3F4F1E6B75" xlink:to="lab_mdu_EugeneORManufacturedGasPlantSiteMember_30F7E876C115538B70448C3F4F1E6B75" xlink:type="arc" />
    <link:label id="lab_mdu_BremertonWAManufacturedGasPlantSiteMember_CB926EE6EAA92634BF548C3F4F1E200F_terseLabel_en-US" xlink:label="lab_mdu_BremertonWAManufacturedGasPlantSiteMember_CB926EE6EAA92634BF548C3F4F1E200F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bremerton, WA manufactured gas plant site [Member]</link:label>
    <link:label id="lab_mdu_BremertonWAManufacturedGasPlantSiteMember_CB926EE6EAA92634BF548C3F4F1E200F_label_en-US" xlink:label="lab_mdu_BremertonWAManufacturedGasPlantSiteMember_CB926EE6EAA92634BF548C3F4F1E200F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bremerton, WA Manufactured Gas Plant Site [Member]</link:label>
    <link:label id="lab_mdu_BremertonWAManufacturedGasPlantSiteMember_CB926EE6EAA92634BF548C3F4F1E200F_documentation_en-US" xlink:label="lab_mdu_BremertonWAManufacturedGasPlantSiteMember_CB926EE6EAA92634BF548C3F4F1E200F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Claim #2 - Contamination at a manufactured gas plant site in Washington received in 1997.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_BremertonWAManufacturedGasPlantSiteMember" xlink:label="loc_mdu_BremertonWAManufacturedGasPlantSiteMember_CB926EE6EAA92634BF548C3F4F1E200F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_BremertonWAManufacturedGasPlantSiteMember_CB926EE6EAA92634BF548C3F4F1E200F" xlink:to="lab_mdu_BremertonWAManufacturedGasPlantSiteMember_CB926EE6EAA92634BF548C3F4F1E200F" xlink:type="arc" />
    <link:label id="lab_mdu_BellinghamWAManufacturedGasPlantSiteMember_4A0DB4F9C954CA669F738C3F4F1EF282_terseLabel_en-US" xlink:label="lab_mdu_BellinghamWAManufacturedGasPlantSiteMember_4A0DB4F9C954CA669F738C3F4F1EF282" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bellingham, WA manufactured gas plant site [Member]</link:label>
    <link:label id="lab_mdu_BellinghamWAManufacturedGasPlantSiteMember_4A0DB4F9C954CA669F738C3F4F1EF282_label_en-US" xlink:label="lab_mdu_BellinghamWAManufacturedGasPlantSiteMember_4A0DB4F9C954CA669F738C3F4F1EF282" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bellingham, WA Manufactured Gas Plant Site [Member]</link:label>
    <link:label id="lab_mdu_BellinghamWAManufacturedGasPlantSiteMember_4A0DB4F9C954CA669F738C3F4F1EF282_documentation_en-US" xlink:label="lab_mdu_BellinghamWAManufacturedGasPlantSiteMember_4A0DB4F9C954CA669F738C3F4F1EF282" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Claim #3 - Contamination at a manufactured gas plant site in Washington owned from 1946-1962 and received in 2008.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_BellinghamWAManufacturedGasPlantSiteMember" xlink:label="loc_mdu_BellinghamWAManufacturedGasPlantSiteMember_4A0DB4F9C954CA669F738C3F4F1EF282" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_BellinghamWAManufacturedGasPlantSiteMember_4A0DB4F9C954CA669F738C3F4F1EF282" xlink:to="lab_mdu_BellinghamWAManufacturedGasPlantSiteMember_4A0DB4F9C954CA669F738C3F4F1EF282" xlink:type="arc" />
    <link:label id="lab_us-gaap_SiteContingencyLineItems_BED2DB7D9879214CF0878C3F4F1FD5E5_terseLabel_en-US" xlink:label="lab_us-gaap_SiteContingencyLineItems_BED2DB7D9879214CF0878C3F4F1FD5E5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Site Contingency [Line Items]</link:label>
    <link:label id="lab_us-gaap_SiteContingencyLineItems_BED2DB7D9879214CF0878C3F4F1FD5E5_label_en-US" xlink:label="lab_us-gaap_SiteContingencyLineItems_BED2DB7D9879214CF0878C3F4F1FD5E5" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Site Contingency [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SiteContingencyLineItems" xlink:label="loc_us-gaap_SiteContingencyLineItems_BED2DB7D9879214CF0878C3F4F1FD5E5" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SiteContingencyLineItems_BED2DB7D9879214CF0878C3F4F1FD5E5" xlink:to="lab_us-gaap_SiteContingencyLineItems_BED2DB7D9879214CF0878C3F4F1FD5E5" xlink:type="arc" />
    <link:label id="lab_mdu_EnvironmentalMattersInvestigativeCosts_D03D389BE60061AB87468C3F4F1FD71E_terseLabel_en-US" xlink:label="lab_mdu_EnvironmentalMattersInvestigativeCosts_D03D389BE60061AB87468C3F4F1FD71E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Environmental matters investigative costs</link:label>
    <link:label id="lab_mdu_EnvironmentalMattersInvestigativeCosts_D03D389BE60061AB87468C3F4F1FD71E_label_en-US" xlink:label="lab_mdu_EnvironmentalMattersInvestigativeCosts_D03D389BE60061AB87468C3F4F1FD71E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Environmental matters investigative costs</link:label>
    <link:label id="lab_mdu_EnvironmentalMattersInvestigativeCosts_D03D389BE60061AB87468C3F4F1FD71E_documentation_en-US" xlink:label="lab_mdu_EnvironmentalMattersInvestigativeCosts_D03D389BE60061AB87468C3F4F1FD71E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Estimated investigative costs.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_EnvironmentalMattersInvestigativeCosts" xlink:label="loc_mdu_EnvironmentalMattersInvestigativeCosts_D03D389BE60061AB87468C3F4F1FD71E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_EnvironmentalMattersInvestigativeCosts_D03D389BE60061AB87468C3F4F1FD71E" xlink:to="lab_mdu_EnvironmentalMattersInvestigativeCosts_D03D389BE60061AB87468C3F4F1FD71E" xlink:type="arc" />
    <link:label id="lab_mdu_EnvironmentalMattersEstimatedCosts_3DB555A09145D3BACE448C3F4F1F5459_terseLabel_en-US" xlink:label="lab_mdu_EnvironmentalMattersEstimatedCosts_3DB555A09145D3BACE448C3F4F1F5459" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Environmental matters, estimated costs</link:label>
    <link:label id="lab_mdu_EnvironmentalMattersEstimatedCosts_3DB555A09145D3BACE448C3F4F1F5459_label_en-US" xlink:label="lab_mdu_EnvironmentalMattersEstimatedCosts_3DB555A09145D3BACE448C3F4F1F5459" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Environmental Matters, Estimated Costs</link:label>
    <link:label id="lab_mdu_EnvironmentalMattersEstimatedCosts_3DB555A09145D3BACE448C3F4F1F5459_documentation_en-US" xlink:label="lab_mdu_EnvironmentalMattersEstimatedCosts_3DB555A09145D3BACE448C3F4F1F5459" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Environmental matters, estimated costs.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_EnvironmentalMattersEstimatedCosts" xlink:label="loc_mdu_EnvironmentalMattersEstimatedCosts_3DB555A09145D3BACE448C3F4F1F5459" xlink:type="locator" />
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    <link:label id="lab_mdu_EdisonPensionPlanMember_36E63F09ADD9506F605ABE3417E7EC6F_terseLabel_en-US" xlink:label="lab_mdu_EdisonPensionPlanMember_36E63F09ADD9506F605ABE3417E7EC6F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Edison Pension Plan [Member]</link:label>
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    <link:label id="lab_mdu_IbewLocalNo82PensionPlanMember_B78A520BC1F0140540D8BE3417E711B8_terseLabel_en-US" xlink:label="lab_mdu_IbewLocalNo82PensionPlanMember_B78A520BC1F0140540D8BE3417E711B8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">IBEW Local No. 82 Pension Plan [Member]</link:label>
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    <link:label id="lab_mdu_PercentageInvestmentinTargetDateInvestments_C36F6AAD51B20B8B8B1C8C3F519F6540_documentation_en-US" xlink:label="lab_mdu_PercentageInvestmentinTargetDateInvestments_C36F6AAD51B20B8B8B1C8C3F519F6540" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of insurance contracts in target date investments.</link:label>
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    <link:label id="lab_mdu_PercentageInvestmentinCashandCashEquivalents_976F681AD6D90B4106548C3F519FF1F6_terseLabel_en-US" xlink:label="lab_mdu_PercentageInvestmentinCashandCashEquivalents_976F681AD6D90B4106548C3F519FF1F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage investment in cash and cash equivalents</link:label>
    <link:label id="lab_mdu_PercentageInvestmentinCashandCashEquivalents_976F681AD6D90B4106548C3F519FF1F6_label_en-US" xlink:label="lab_mdu_PercentageInvestmentinCashandCashEquivalents_976F681AD6D90B4106548C3F519FF1F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Investment in Cash and Cash Equivalents</link:label>
    <link:label id="lab_mdu_PercentageInvestmentinCashandCashEquivalents_976F681AD6D90B4106548C3F519FF1F6_documentation_en-US" xlink:label="lab_mdu_PercentageInvestmentinCashandCashEquivalents_976F681AD6D90B4106548C3F519FF1F6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of insurance contracts in cash and cash equivalents.</link:label>
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    <link:label id="lab_us-gaap_SegmentReportingAbstract_38A120B628F9569C54058C3F50B35597_label_en-US" xlink:label="lab_us-gaap_SegmentReportingAbstract_38A120B628F9569C54058C3F50B35597" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SegmentReportingAbstract" xlink:label="loc_us-gaap_SegmentReportingAbstract_38A120B628F9569C54058C3F50B35597" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_F28283367E3E7FB8344C8C3F50B332BC_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_F28283367E3E7FB8344C8C3F50B332BC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Public utility regulated or unregulated status [Axis]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis" xlink:label="loc_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_F28283367E3E7FB8344C8C3F50B332BC" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RegulatedAndUnregulatedOperationDomain_AB219429F59052C47AAD8C3F50B3BEBE_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatedAndUnregulatedOperationDomain_AB219429F59052C47AAD8C3F50B3BEBE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulated and unregulated operation [Domain]</link:label>
    <link:label id="lab_us-gaap_RegulatedAndUnregulatedOperationDomain_AB219429F59052C47AAD8C3F50B3BEBE_label_en-US" xlink:label="lab_us-gaap_RegulatedAndUnregulatedOperationDomain_AB219429F59052C47AAD8C3F50B3BEBE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulated and Unregulated Operation [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RegulatedAndUnregulatedOperationDomain" xlink:label="loc_us-gaap_RegulatedAndUnregulatedOperationDomain_AB219429F59052C47AAD8C3F50B3BEBE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RegulatedOperationMember_6548038DD4A1D47AB7658C3F50B3F482_terseLabel_en-US" xlink:label="lab_us-gaap_RegulatedOperationMember_6548038DD4A1D47AB7658C3F50B3F482" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Regulated:</link:label>
    <link:label id="lab_us-gaap_RegulatedOperationMember_6548038DD4A1D47AB7658C3F50B3F482_label_en-US" xlink:label="lab_us-gaap_RegulatedOperationMember_6548038DD4A1D47AB7658C3F50B3F482" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Regulated Operation [Member]</link:label>
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    <link:label id="lab_us-gaap_UnregulatedOperationMember_70D32EC8F3FA941DD2B38C3F50B35970_terseLabel_en-US" xlink:label="lab_us-gaap_UnregulatedOperationMember_70D32EC8F3FA941DD2B38C3F50B35970" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nonregulated:</link:label>
    <link:label id="lab_us-gaap_UnregulatedOperationMember_70D32EC8F3FA941DD2B38C3F50B35970_label_en-US" xlink:label="lab_us-gaap_UnregulatedOperationMember_70D32EC8F3FA941DD2B38C3F50B35970" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unregulated Operation [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnregulatedOperationMember" xlink:label="loc_us-gaap_UnregulatedOperationMember_70D32EC8F3FA941DD2B38C3F50B35970" xlink:type="locator" />
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    <link:label id="lab_mdu_ElectricMember_E3B012960B2DC9C869398C3F50B32255_terseLabel_en-US" xlink:label="lab_mdu_ElectricMember_E3B012960B2DC9C869398C3F50B32255" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Electric:</link:label>
    <link:label id="lab_mdu_ElectricMember_E3B012960B2DC9C869398C3F50B32255_label_en-US" xlink:label="lab_mdu_ElectricMember_E3B012960B2DC9C869398C3F50B32255" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Electric [Member]</link:label>
    <link:label id="lab_mdu_ElectricMember_E3B012960B2DC9C869398C3F50B32255_documentation_en-US" xlink:label="lab_mdu_ElectricMember_E3B012960B2DC9C869398C3F50B32255" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This segment generates, transmits and distributes electricity in Montana, North Dakota, South Dakota and Wyoming. These opeartions also supply related value-added services.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_ElectricMember" xlink:label="loc_mdu_ElectricMember_E3B012960B2DC9C869398C3F50B32255" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_ElectricMember_E3B012960B2DC9C869398C3F50B32255" xlink:to="lab_mdu_ElectricMember_E3B012960B2DC9C869398C3F50B32255" xlink:type="arc" />
    <link:label id="lab_mdu_NaturalGasDistributionMember_A11A9E459C0004AA4FF78C3F50B36E14_terseLabel_en-US" xlink:label="lab_mdu_NaturalGasDistributionMember_A11A9E459C0004AA4FF78C3F50B36E14" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Natural gas distribution:</link:label>
    <link:label id="lab_mdu_NaturalGasDistributionMember_A11A9E459C0004AA4FF78C3F50B36E14_label_en-US" xlink:label="lab_mdu_NaturalGasDistributionMember_A11A9E459C0004AA4FF78C3F50B36E14" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Natural gas distribution [Member]</link:label>
    <link:label id="lab_mdu_NaturalGasDistributionMember_A11A9E459C0004AA4FF78C3F50B36E14_documentation_en-US" xlink:label="lab_mdu_NaturalGasDistributionMember_A11A9E459C0004AA4FF78C3F50B36E14" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This segment distributes natural gas in Montana, North Dakota, South Dakota, Wyoming, Idaho, Minnesota, Oregon and Washington. These operations also supply related value-added services.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_NaturalGasDistributionMember" xlink:label="loc_mdu_NaturalGasDistributionMember_A11A9E459C0004AA4FF78C3F50B36E14" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_NaturalGasDistributionMember_A11A9E459C0004AA4FF78C3F50B36E14" xlink:to="lab_mdu_NaturalGasDistributionMember_A11A9E459C0004AA4FF78C3F50B36E14" xlink:type="arc" />
    <link:label id="lab_mdu_ConstructionMaterialsAndContractingMember_57A78884D1B1FA0A1AE08C3F50B4279E_terseLabel_en-US" xlink:label="lab_mdu_ConstructionMaterialsAndContractingMember_57A78884D1B1FA0A1AE08C3F50B4279E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Construction materials and contracting:</link:label>
    <link:label id="lab_mdu_ConstructionMaterialsAndContractingMember_57A78884D1B1FA0A1AE08C3F50B4279E_label_en-US" xlink:label="lab_mdu_ConstructionMaterialsAndContractingMember_57A78884D1B1FA0A1AE08C3F50B4279E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction materials and contracting [Member]</link:label>
    <link:label id="lab_mdu_ConstructionMaterialsAndContractingMember_57A78884D1B1FA0A1AE08C3F50B4279E_documentation_en-US" xlink:label="lab_mdu_ConstructionMaterialsAndContractingMember_57A78884D1B1FA0A1AE08C3F50B4279E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This segment mines aggregates and markets crushed stone, sand, gravel and related construction materials, including ready-mixed concrete, cement, asphalt, liquid asphalt and other value-added products. It also performs integrated contracting services. This segment operates in the central, southern and western United States and Alaska and Hawaii.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_ConstructionMaterialsAndContractingMember" xlink:label="loc_mdu_ConstructionMaterialsAndContractingMember_57A78884D1B1FA0A1AE08C3F50B4279E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_ConstructionMaterialsAndContractingMember_57A78884D1B1FA0A1AE08C3F50B4279E" xlink:to="lab_mdu_ConstructionMaterialsAndContractingMember_57A78884D1B1FA0A1AE08C3F50B4279E" xlink:type="arc" />
    <link:label id="lab_mdu_ConstructionServicesMember_04772C5C6E03FD73EF008C3F50B46D0D_terseLabel_en-US" xlink:label="lab_mdu_ConstructionServicesMember_04772C5C6E03FD73EF008C3F50B46D0D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Construction services:</link:label>
    <link:label id="lab_mdu_ConstructionServicesMember_04772C5C6E03FD73EF008C3F50B46D0D_label_en-US" xlink:label="lab_mdu_ConstructionServicesMember_04772C5C6E03FD73EF008C3F50B46D0D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction services [Member]</link:label>
    <link:label id="lab_mdu_ConstructionServicesMember_04772C5C6E03FD73EF008C3F50B46D0D_documentation_en-US" xlink:label="lab_mdu_ConstructionServicesMember_04772C5C6E03FD73EF008C3F50B46D0D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This segment specializes in constructing and maintaining electric and communication lines, gas pipelines, fire suppression systems, and external lighting and traffic signalization equipment. This segment also provides utility excavation services and inside electrical wiring, cabling and mechanical services, sells and distributes electrical materials, and manufactures and distributes specialty equipment.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_ConstructionServicesMember" xlink:label="loc_mdu_ConstructionServicesMember_04772C5C6E03FD73EF008C3F50B46D0D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_CorporateAndOtherMember_A35D10AEFAD0B90101658C3F50B4D14D_label_en-US" xlink:label="lab_us-gaap_CorporateAndOtherMember_A35D10AEFAD0B90101658C3F50B4D14D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Corporate and Other [Member]</link:label>
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    <link:label id="lab_mdu_WbiEnergyTransmissionIncMember_C4147E40DE0B5D67E6E58C3F518B7C98_documentation_en-US" xlink:label="lab_mdu_WbiEnergyTransmissionIncMember_C4147E40DE0B5D67E6E58C3F518B7C98" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Another company which is controlled, directly or indirectly, by its parent. The usual condition for control is ownership of a majority (over 50%) of the outstanding voting stock.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_WbiEnergyTransmissionIncMember" xlink:label="loc_mdu_WbiEnergyTransmissionIncMember_C4147E40DE0B5D67E6E58C3F518B7C98" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_WbiEnergyTransmissionIncMember_C4147E40DE0B5D67E6E58C3F518B7C98" xlink:to="lab_mdu_WbiEnergyTransmissionIncMember_C4147E40DE0B5D67E6E58C3F518B7C98" xlink:type="arc" />
    <link:label id="lab_us-gaap_CreditFacilityAxis_4C0338FC239B60C82BF48C3F518B0B94_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_4C0338FC239B60C82BF48C3F518B0B94" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility [Axis]</link:label>
    <link:label id="lab_us-gaap_CreditFacilityAxis_4C0338FC239B60C82BF48C3F518B0B94_label_en-US" xlink:label="lab_us-gaap_CreditFacilityAxis_4C0338FC239B60C82BF48C3F518B0B94" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_4C0338FC239B60C82BF48C3F518B0B94" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityAxis_4C0338FC239B60C82BF48C3F518B0B94" xlink:to="lab_us-gaap_CreditFacilityAxis_4C0338FC239B60C82BF48C3F518B0B94" xlink:type="arc" />
    <link:label id="lab_us-gaap_CreditFacilityDomain_2092D75D962A34E755B98C3F518B4E78_terseLabel_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_2092D75D962A34E755B98C3F518B4E78" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Facility [Domain]</link:label>
    <link:label id="lab_us-gaap_CreditFacilityDomain_2092D75D962A34E755B98C3F518B4E78_label_en-US" xlink:label="lab_us-gaap_CreditFacilityDomain_2092D75D962A34E755B98C3F518B4E78" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_2092D75D962A34E755B98C3F518B4E78" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditFacilityDomain_2092D75D962A34E755B98C3F518B4E78" xlink:to="lab_us-gaap_CreditFacilityDomain_2092D75D962A34E755B98C3F518B4E78" xlink:type="arc" />
    <link:label id="lab_mdu_MasterShelfAgreementMemberMember_2CC508ACC11BC2DD23708C3F518B373F_terseLabel_en-US" xlink:label="lab_mdu_MasterShelfAgreementMemberMember_2CC508ACC11BC2DD23708C3F518B373F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Master shelf agreement [Member]</link:label>
    <link:label id="lab_mdu_MasterShelfAgreementMemberMember_2CC508ACC11BC2DD23708C3F518B373F_label_en-US" xlink:label="lab_mdu_MasterShelfAgreementMemberMember_2CC508ACC11BC2DD23708C3F518B373F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Master Shelf Agreement Member [Member]</link:label>
    <link:label id="lab_mdu_MasterShelfAgreementMemberMember_2CC508ACC11BC2DD23708C3F518B373F_documentation_en-US" xlink:label="lab_mdu_MasterShelfAgreementMemberMember_2CC508ACC11BC2DD23708C3F518B373F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">master shelf agreement member [Member]</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_MasterShelfAgreementMemberMember" xlink:label="loc_mdu_MasterShelfAgreementMemberMember_2CC508ACC11BC2DD23708C3F518B373F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_MasterShelfAgreementMemberMember_2CC508ACC11BC2DD23708C3F518B373F" xlink:to="lab_mdu_MasterShelfAgreementMemberMember_2CC508ACC11BC2DD23708C3F518B373F" xlink:type="arc" />
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_CD114BACF29CB2F78DD58C3F518B0E5F_terseLabel_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_CD114BACF29CB2F78DD58C3F518B0E5F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revolving credit facility [Member]</link:label>
    <link:label id="lab_us-gaap_RevolvingCreditFacilityMember_CD114BACF29CB2F78DD58C3F518B0E5F_label_en-US" xlink:label="lab_us-gaap_RevolvingCreditFacilityMember_CD114BACF29CB2F78DD58C3F518B0E5F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revolving Credit Facility [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_CD114BACF29CB2F78DD58C3F518B0E5F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevolvingCreditFacilityMember_CD114BACF29CB2F78DD58C3F518B0E5F" xlink:to="lab_us-gaap_RevolvingCreditFacilityMember_CD114BACF29CB2F78DD58C3F518B0E5F" xlink:type="arc" />
    <link:label id="lab_mdu_UncommittedLongTermPrivateShelfAgreementMember_26107A866C4B97D7EBA58C3F518BE251_terseLabel_en-US" xlink:label="lab_mdu_UncommittedLongTermPrivateShelfAgreementMember_26107A866C4B97D7EBA58C3F518BE251" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Uncommitted long term private shelf agreement [Member]</link:label>
    <link:label id="lab_mdu_UncommittedLongTermPrivateShelfAgreementMember_26107A866C4B97D7EBA58C3F518BE251_label_en-US" xlink:label="lab_mdu_UncommittedLongTermPrivateShelfAgreementMember_26107A866C4B97D7EBA58C3F518BE251" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Uncommitted Long Term Private Shelf Agreement [Member]</link:label>
    <link:label id="lab_mdu_UncommittedLongTermPrivateShelfAgreementMember_26107A866C4B97D7EBA58C3F518BE251_documentation_en-US" xlink:label="lab_mdu_UncommittedLongTermPrivateShelfAgreementMember_26107A866C4B97D7EBA58C3F518BE251" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line of credit facility.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_UncommittedLongTermPrivateShelfAgreementMember" xlink:label="loc_mdu_UncommittedLongTermPrivateShelfAgreementMember_26107A866C4B97D7EBA58C3F518BE251" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentAxis_7142A833329C2CD7DDDE8C3F518B9CCB_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis_7142A833329C2CD7DDDE8C3F518B9CCB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument [Axis]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentAxis_7142A833329C2CD7DDDE8C3F518B9CCB_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis_7142A833329C2CD7DDDE8C3F518B9CCB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_7142A833329C2CD7DDDE8C3F518B9CCB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentAxis_7142A833329C2CD7DDDE8C3F518B9CCB" xlink:to="lab_us-gaap_DebtInstrumentAxis_7142A833329C2CD7DDDE8C3F518B9CCB" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentNameDomain_6C95BD86A05B2F2523558C3F518C90EE_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentNameDomain_6C95BD86A05B2F2523558C3F518C90EE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument by duration [Domain]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentNameDomain_6C95BD86A05B2F2523558C3F518C90EE_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentNameDomain_6C95BD86A05B2F2523558C3F518C90EE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_6C95BD86A05B2F2523558C3F518C90EE" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6C95BD86A05B2F2523558C3F518C90EE" xlink:to="lab_us-gaap_DebtInstrumentNameDomain_6C95BD86A05B2F2523558C3F518C90EE" xlink:type="arc" />
    <link:label id="lab_us-gaap_LongTermDebtMember_9ABB64C27196106BC5978C3F518C16D2_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMember_9ABB64C27196106BC5978C3F518C16D2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-term debt [Member]</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMember_9ABB64C27196106BC5978C3F518C16D2_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMember_9ABB64C27196106BC5978C3F518C16D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Debt [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtMember" xlink:label="loc_us-gaap_LongTermDebtMember_9ABB64C27196106BC5978C3F518C16D2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMember_9ABB64C27196106BC5978C3F518C16D2" xlink:to="lab_us-gaap_LongTermDebtMember_9ABB64C27196106BC5978C3F518C16D2" xlink:type="arc" />
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_F7D3526644BA5B3330188C3F518C777B_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_F7D3526644BA5B3330188C3F518C777B" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt instrument [Line Items]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_F7D3526644BA5B3330188C3F518C777B_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_F7D3526644BA5B3330188C3F518C777B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_F7D3526644BA5B3330188C3F518C777B" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems_F7D3526644BA5B3330188C3F518C777B" xlink:to="lab_us-gaap_DebtInstrumentLineItems_F7D3526644BA5B3330188C3F518C777B" xlink:type="arc" />
    <link:label id="lab_mdu_RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants_1D96CC7BB346D84C18418C3F518C0DB8_terseLabel_en-US" xlink:label="lab_mdu_RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants_1D96CC7BB346D84C18418C3F518C0DB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ratio of funded debt to total capitalization as specified in debt convenants</link:label>
    <link:label id="lab_mdu_RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants_1D96CC7BB346D84C18418C3F518C0DB8_label_en-US" xlink:label="lab_mdu_RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants_1D96CC7BB346D84C18418C3F518C0DB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ratio of funded debt to total capitalization as specified in debt convenants</link:label>
    <link:label id="lab_mdu_RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants_1D96CC7BB346D84C18418C3F518C0DB8_documentation_en-US" xlink:label="lab_mdu_RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants_1D96CC7BB346D84C18418C3F518C0DB8" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ratio of funded debt to total capitalization as specified in debt convenants.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants" xlink:label="loc_mdu_RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants_1D96CC7BB346D84C18418C3F518C0DB8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants_1D96CC7BB346D84C18418C3F518C0DB8" xlink:to="lab_mdu_RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants_1D96CC7BB346D84C18418C3F518C0DB8" xlink:type="arc" />
    <link:label id="lab_mdu_RatioOfFundedDebtCapitalizationCompanyAloneAsSpecifiedInDebtConvenants_0298452052237C1059728C3F518C5664_terseLabel_en-US" xlink:label="lab_mdu_RatioOfFundedDebtCapitalizationCompanyAloneAsSpecifiedInDebtConvenants_0298452052237C1059728C3F518C5664" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ratio of funded debt to capitalization - Company alone, as specified in debt convenants</link:label>
    <link:label id="lab_mdu_RatioOfFundedDebtCapitalizationCompanyAloneAsSpecifiedInDebtConvenants_0298452052237C1059728C3F518C5664_label_en-US" xlink:label="lab_mdu_RatioOfFundedDebtCapitalizationCompanyAloneAsSpecifiedInDebtConvenants_0298452052237C1059728C3F518C5664" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ratio of funded debt capitalization - Company alone, as specified in debt convenants</link:label>
    <link:label id="lab_mdu_RatioOfFundedDebtCapitalizationCompanyAloneAsSpecifiedInDebtConvenants_0298452052237C1059728C3F518C5664_documentation_en-US" xlink:label="lab_mdu_RatioOfFundedDebtCapitalizationCompanyAloneAsSpecifiedInDebtConvenants_0298452052237C1059728C3F518C5664" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ratio of funded debt capitalization - Company alone, as specified in debt convenants.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_RatioOfFundedDebtCapitalizationCompanyAloneAsSpecifiedInDebtConvenants" xlink:label="loc_mdu_RatioOfFundedDebtCapitalizationCompanyAloneAsSpecifiedInDebtConvenants_0298452052237C1059728C3F518C5664" xlink:type="locator" />
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    <link:label id="lab_mdu_FacilityLimitAmendedBorrowingCapacity_7D3419D2F4850E9625B08C3F518CD821_terseLabel_en-US" xlink:label="lab_mdu_FacilityLimitAmendedBorrowingCapacity_7D3419D2F4850E9625B08C3F518CD821" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Facility limit, amended borrowing capacity</link:label>
    <link:label id="lab_mdu_FacilityLimitAmendedBorrowingCapacity_7D3419D2F4850E9625B08C3F518CD821_label_en-US" xlink:label="lab_mdu_FacilityLimitAmendedBorrowingCapacity_7D3419D2F4850E9625B08C3F518CD821" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Facility Limit, Amended Borrowing Capacity</link:label>
    <link:label id="lab_mdu_FacilityLimitAmendedBorrowingCapacity_7D3419D2F4850E9625B08C3F518CD821_documentation_en-US" xlink:label="lab_mdu_FacilityLimitAmendedBorrowingCapacity_7D3419D2F4850E9625B08C3F518CD821" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Facility limit, amended borrowing capacity.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_FacilityLimitAmendedBorrowingCapacity" xlink:label="loc_mdu_FacilityLimitAmendedBorrowingCapacity_7D3419D2F4850E9625B08C3F518CD821" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8D7BFD0352AF30F2135D8C3F518C7079_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8D7BFD0352AF30F2135D8C3F518C7079" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Facility limit, maximum borrowing capacity</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8D7BFD0352AF30F2135D8C3F518C7079_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_8D7BFD0352AF30F2135D8C3F518C7079" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
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    <link:label id="lab_mdu_RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants_6CFBF72577CECC2074678C3F518C3753_documentation_en-US" xlink:label="lab_mdu_RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants_6CFBF72577CECC2074678C3F518C3753" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Ratio of total debt to total capitalization as specified in debt convenants.</link:label>
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    <link:label id="lab_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_4A70A3B58DFC3A8C586F8C3F510AFFDD_terseLabel_en-US" xlink:label="lab_us-gaap_CurrentStateAndLocalTaxExpenseBenefit_4A70A3B58DFC3A8C586F8C3F510AFFDD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">State</link:label>
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    <link:label id="lab_mdu_MISOMember_C4496F3A1047209609158C3F4F29C91F_terseLabel_en-US" xlink:label="lab_mdu_MISOMember_C4496F3A1047209609158C3F4F29C91F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">MISO [Member]</link:label>
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    <link:label id="lab_us-gaap_GoodwillRollForward_17584C466EFFC77E3DC48C3F51C11CE8_label_en-US" xlink:label="lab_us-gaap_GoodwillRollForward_17584C466EFFC77E3DC48C3F51C11CE8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill [Roll Forward]</link:label>
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    <link:label id="lab_mdu_FixedMaximumAmountsGuaranteedByYearOne_69FC40E52EC73EB5731C8C3F4F11D81E_terseLabel_en-US" xlink:label="lab_mdu_FixedMaximumAmountsGuaranteedByYearOne_69FC40E52EC73EB5731C8C3F4F11D81E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed maximum amounts guaranteed by year 2018</link:label>
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    <link:label id="lab_mdu_FixedMaximumAmountsGuaranteedByYearTwo_7F445556D48EA62ADA968C3F4F11FB6F_terseLabel_en-US" xlink:label="lab_mdu_FixedMaximumAmountsGuaranteedByYearTwo_7F445556D48EA62ADA968C3F4F11FB6F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed maximum amounts guaranteed by year 2019</link:label>
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    <link:label id="lab_mdu_FixedMaximumAmountsGuaranteedByYearThree_D12DC93CA775D23732B98C3F4F117784_terseLabel_en-US" xlink:label="lab_mdu_FixedMaximumAmountsGuaranteedByYearThree_D12DC93CA775D23732B98C3F4F117784" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed maximum amounts guaranteed by year 2020</link:label>
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    <link:label id="lab_mdu_LettersofCreditSettoExpireinNextFiscalYear_67A5FC35C80D2C249E868C3F4F11D68F_documentation_en-US" xlink:label="lab_mdu_LettersofCreditSettoExpireinNextFiscalYear_67A5FC35C80D2C249E868C3F4F11D68F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Letters of credit set to expire in next fiscal year.</link:label>
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    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_F6A62134A79A28AD4B8A8C3F4F11830C_label_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_F6A62134A79A28AD4B8A8C3F4F11830C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters of Credit Outstanding, Amount</link:label>
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    <link:label id="lab_mdu_AmountOfSuretyBondsOutstanding_D849DB8AA81D2178C75E8C3F4F11384B_verboseLabel_en-US" xlink:label="lab_mdu_AmountOfSuretyBondsOutstanding_D849DB8AA81D2178C75E8C3F4F11384B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Amount of surety bonds outstanding</link:label>
    <link:label id="lab_mdu_AmountOfSuretyBondsOutstanding_D849DB8AA81D2178C75E8C3F4F11384B_label_en-US" xlink:label="lab_mdu_AmountOfSuretyBondsOutstanding_D849DB8AA81D2178C75E8C3F4F11384B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amount of surety bonds outstanding</link:label>
    <link:label id="lab_mdu_AmountOfSuretyBondsOutstanding_D849DB8AA81D2178C75E8C3F4F11384B_documentation_en-US" xlink:label="lab_mdu_AmountOfSuretyBondsOutstanding_D849DB8AA81D2178C75E8C3F4F11384B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of surety bonds outstanding related to construction contracts and reclamation obligations.</link:label>
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    <link:label id="lab_mdu_TargetGrantsPerformanceSharesTableTextBlock_E7B4EAC756F81E14395F8C3F51227487_terseLabel_en-US" xlink:label="lab_mdu_TargetGrantsPerformanceSharesTableTextBlock_E7B4EAC756F81E14395F8C3F51227487" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Target grants performance share</link:label>
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    <link:label id="lab_us-gaap_RefundableGasCosts_A928BC65DB69D1645A828C3F52124F17_terseLabel_en-US" xlink:label="lab_us-gaap_RefundableGasCosts_A928BC65DB69D1645A828C3F52124F17" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Natural gas costs refundable</link:label>
    <link:label id="lab_us-gaap_RefundableGasCosts_A928BC65DB69D1645A828C3F52124F17_label_en-US" xlink:label="lab_us-gaap_RefundableGasCosts_A928BC65DB69D1645A828C3F52124F17" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Refundable Gas Costs</link:label>
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    <link:label id="lab_us-gaap_DeferredGasCost_3F880B576163D55EFEAA8C3F521280A6_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredGasCost_3F880B576163D55EFEAA8C3F521280A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Natural gas costs recoverable</link:label>
    <link:label id="lab_us-gaap_DeferredGasCost_3F880B576163D55EFEAA8C3F521280A6_label_en-US" xlink:label="lab_us-gaap_DeferredGasCost_3F880B576163D55EFEAA8C3F521280A6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Gas Cost</link:label>
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    <link:label id="lab_mdu_AdvanceDeterminationofPrudenceMember_2DCDD2C20A51B053027EBEDD29DD2CEE_terseLabel_en-US" xlink:label="lab_mdu_AdvanceDeterminationofPrudenceMember_2DCDD2C20A51B053027EBEDD29DD2CEE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Advance determination of prudence [Member]</link:label>
    <link:label id="lab_mdu_AdvanceDeterminationofPrudenceMember_2DCDD2C20A51B053027EBEDD29DD2CEE_label_en-US" xlink:label="lab_mdu_AdvanceDeterminationofPrudenceMember_2DCDD2C20A51B053027EBEDD29DD2CEE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advance Determination of Prudence [Member]</link:label>
    <link:label id="lab_mdu_AdvanceDeterminationofPrudenceMember_2DCDD2C20A51B053027EBEDD29DD2CEE_documentation_en-US" xlink:label="lab_mdu_AdvanceDeterminationofPrudenceMember_2DCDD2C20A51B053027EBEDD29DD2CEE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Advance determination of prudence.</link:label>
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    <link:label id="lab_mdu_NDPSCMember_50D148D527894CE0472FBEDD29DD34AA_terseLabel_en-US" xlink:label="lab_mdu_NDPSCMember_50D148D527894CE0472FBEDD29DD34AA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NDPSC [Member]</link:label>
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    <link:label id="lab_mdu_NDPSCMember_50D148D527894CE0472FBEDD29DD34AA_documentation_en-US" xlink:label="lab_mdu_NDPSCMember_50D148D527894CE0472FBEDD29DD34AA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">North Dakota Public Service Commission.</link:label>
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    <link:label id="lab_mdu_EstimatedProjectCost_A68374D45AA10AC5D764BEDD29DD7A53_documentation_en-US" xlink:label="lab_mdu_EstimatedProjectCost_A68374D45AA10AC5D764BEDD29DD7A53" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Estimated Project Cost</link:label>
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    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_8EC75055C32F8A190402A014C7E08D41_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_8EC75055C32F8A190402A014C7E08D41" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2019</link:label>
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_8EC75055C32F8A190402A014C7E08D41_label_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_8EC75055C32F8A190402A014C7E08D41" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecorded Unconditional Purchase Obligation, Due within Two Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary_8EC75055C32F8A190402A014C7E08D41" xlink:type="locator" />
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    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_B5752691D1D502F78115A014C7E09701_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_B5752691D1D502F78115A014C7E09701" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_B5752691D1D502F78115A014C7E09701_label_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_B5752691D1D502F78115A014C7E09701" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecorded Unconditional Purchase Obligation, Due within Three Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_B5752691D1D502F78115A014C7E09701" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_B5752691D1D502F78115A014C7E09701" xlink:to="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary_B5752691D1D502F78115A014C7E09701" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_6D79ABFDDD1DB0E45E1CA014C7E00715_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_6D79ABFDDD1DB0E45E1CA014C7E00715" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2021</link:label>
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_6D79ABFDDD1DB0E45E1CA014C7E00715_label_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_6D79ABFDDD1DB0E45E1CA014C7E00715" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecorded Unconditional Purchase Obligation, Due within Four Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_6D79ABFDDD1DB0E45E1CA014C7E00715" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_6D79ABFDDD1DB0E45E1CA014C7E00715" xlink:to="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary_6D79ABFDDD1DB0E45E1CA014C7E00715" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_4223561B50355B7EB1BFA014C7E0641D_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_4223561B50355B7EB1BFA014C7E0641D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2022</link:label>
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_4223561B50355B7EB1BFA014C7E0641D_label_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_4223561B50355B7EB1BFA014C7E0641D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecorded Unconditional Purchase Obligation, Due within Five Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_4223561B50355B7EB1BFA014C7E0641D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_4223561B50355B7EB1BFA014C7E0641D" xlink:to="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary_4223561B50355B7EB1BFA014C7E0641D" xlink:type="arc" />
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_0CA8793C39DE013B4B46A014C7E0DC6F_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_0CA8793C39DE013B4B46A014C7E0DC6F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_0CA8793C39DE013B4B46A014C7E0DC6F_label_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_0CA8793C39DE013B4B46A014C7E0DC6F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrecorded Unconditional Purchase Obligation, Due after Five Years</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears_0CA8793C39DE013B4B46A014C7E0DC6F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases_A598B3B05722CBF96DC4A014C7E07092_terseLabel_en-US" xlink:label="lab_us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases_A598B3B05722CBF96DC4A014C7E07092" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amounts purchased under various commitments</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases" xlink:label="loc_us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases_A598B3B05722CBF96DC4A014C7E07092" xlink:type="locator" />
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    <link:label id="lab_mdu_MtpscMember_DCD25DDB48D6FD04D089BEDD2A1DB755_terseLabel_en-US" xlink:label="lab_mdu_MtpscMember_DCD25DDB48D6FD04D089BEDD2A1DB755" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">MTPSC [Member]</link:label>
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    <link:label id="lab_us-gaap_PlanAssetCategoriesDomain_DA41FB918446FF5C4C67AF7221F2BF3A_terseLabel_en-US" xlink:label="lab_us-gaap_PlanAssetCategoriesDomain_DA41FB918446FF5C4C67AF7221F2BF3A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets:</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings_FF45A7D07ED306508809AF90FEDA9F95" xlink:type="locator" />
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    <link:label id="lab_us-gaap_StatementClassOfStockAxis_6AF0F38B2CBD45A92FA48CA22F2FC1C6_label_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis_6AF0F38B2CBD45A92FA48CA22F2FC1C6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Axis]</link:label>
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    <link:label id="lab_us-gaap_ClassOfStockDomain_00B4C8B4EFDBEF1358C28CA22F2F4951_label_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain_00B4C8B4EFDBEF1358C28CA22F2F4951" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Domain]</link:label>
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    <link:label id="lab_mdu_PreferredStockWithParValueMember_F8F1C053B0211FA838FE8CA22F2F699E_terseLabel_en-US" xlink:label="lab_mdu_PreferredStockWithParValueMember_F8F1C053B0211FA838FE8CA22F2F699E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cumulative Preferred Stock, Par Value $100 Issuable in Series [Member]</link:label>
    <link:label id="lab_mdu_PreferredStockWithParValueMember_F8F1C053B0211FA838FE8CA22F2F699E_label_en-US" xlink:label="lab_mdu_PreferredStockWithParValueMember_F8F1C053B0211FA838FE8CA22F2F699E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock With Par Value [Member]</link:label>
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    <link:loc xlink:href="mdu-20171231.xsd#mdu_PreferredStockWithParValueMember" xlink:label="loc_mdu_PreferredStockWithParValueMember_F8F1C053B0211FA838FE8CA22F2F699E" xlink:type="locator" />
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    <link:label id="lab_mdu_PreferredStockSeries45Member_6542D1CE10D27DA474858CA22F2FC8F6_terseLabel_en-US" xlink:label="lab_mdu_PreferredStockSeries45Member_6542D1CE10D27DA474858CA22F2FC8F6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, series 4.50% [Member]</link:label>
    <link:label id="lab_mdu_PreferredStockSeries45Member_6542D1CE10D27DA474858CA22F2FC8F6_label_en-US" xlink:label="lab_mdu_PreferredStockSeries45Member_6542D1CE10D27DA474858CA22F2FC8F6" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Series 4.5% [Member]</link:label>
    <link:label id="lab_mdu_PreferredStockSeries45Member_6542D1CE10D27DA474858CA22F2FC8F6_documentation_en-US" xlink:label="lab_mdu_PreferredStockSeries45Member_6542D1CE10D27DA474858CA22F2FC8F6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cumulative preference shares type of series.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_PreferredStockSeries45Member" xlink:label="loc_mdu_PreferredStockSeries45Member_6542D1CE10D27DA474858CA22F2FC8F6" xlink:type="locator" />
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    <link:label id="lab_mdu_PreferredStockSeries470Member_9EA1B59E2AF0BE4CBFB38CA22F300C27_terseLabel_en-US" xlink:label="lab_mdu_PreferredStockSeries470Member_9EA1B59E2AF0BE4CBFB38CA22F300C27" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, series 4.70% [Member]</link:label>
    <link:label id="lab_mdu_PreferredStockSeries470Member_9EA1B59E2AF0BE4CBFB38CA22F300C27_label_en-US" xlink:label="lab_mdu_PreferredStockSeries470Member_9EA1B59E2AF0BE4CBFB38CA22F300C27" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Series 4.70% [Member]</link:label>
    <link:label id="lab_mdu_PreferredStockSeries470Member_9EA1B59E2AF0BE4CBFB38CA22F300C27_documentation_en-US" xlink:label="lab_mdu_PreferredStockSeries470Member_9EA1B59E2AF0BE4CBFB38CA22F300C27" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Cumulative preference shares type of series.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_PreferredStockSeries470Member" xlink:label="loc_mdu_PreferredStockSeries470Member_9EA1B59E2AF0BE4CBFB38CA22F300C27" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PreferredClassAMember_154C44A2F3C46823636F8CA22F30137F_label_en-US" xlink:label="lab_us-gaap_PreferredClassAMember_154C44A2F3C46823636F8CA22F30137F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Class A [Member]</link:label>
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    <link:label id="lab_mdu_PreferenceStockMember_1AA05C19E756EEA038558CA22F300CB3_terseLabel_en-US" xlink:label="lab_mdu_PreferenceStockMember_1AA05C19E756EEA038558CA22F300CB3" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cumulative preference stock , without par value, issuable in series [Member]</link:label>
    <link:label id="lab_mdu_PreferenceStockMember_1AA05C19E756EEA038558CA22F300CB3_label_en-US" xlink:label="lab_mdu_PreferenceStockMember_1AA05C19E756EEA038558CA22F300CB3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preference Stock [Member]</link:label>
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    <link:label id="lab_us-gaap_SupplementalUnemploymentBenefitsAbstract_223DF000BBE00226B674BEE64DFA902F_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalUnemploymentBenefitsAbstract_223DF000BBE00226B674BEE64DFA902F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amounts recognized in the Consolidated Balance Sheets at December 31:</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_GasStorageMember_8DBEAE5C67A7CA5F2D9A917EF70AC495" xlink:to="lab_mdu_GasStorageMember_8DBEAE5C67A7CA5F2D9A917EF70AC495" xlink:type="arc" />
    <link:label id="lab_mdu_GatheringandprocessingMemberDomain_19C951E7E46F8EF266E0917EF70A8533_terseLabel_en-US" xlink:label="lab_mdu_GatheringandprocessingMemberDomain_19C951E7E46F8EF266E0917EF70A8533" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gathering and processing</link:label>
    <link:label id="lab_mdu_GatheringandprocessingMemberDomain_19C951E7E46F8EF266E0917EF70A8533_label_en-US" xlink:label="lab_mdu_GatheringandprocessingMemberDomain_19C951E7E46F8EF266E0917EF70A8533" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gathering and processing [Member] [Domain]</link:label>
    <link:label id="lab_mdu_GatheringandprocessingMemberDomain_19C951E7E46F8EF266E0917EF70A8533_documentation_en-US" xlink:label="lab_mdu_GatheringandprocessingMemberDomain_19C951E7E46F8EF266E0917EF70A8533" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Gathering and processing operations.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_GatheringandprocessingMemberDomain" xlink:label="loc_mdu_GatheringandprocessingMemberDomain_19C951E7E46F8EF266E0917EF70A8533" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_GatheringandprocessingMemberDomain_19C951E7E46F8EF266E0917EF70A8533" xlink:to="lab_mdu_GatheringandprocessingMemberDomain_19C951E7E46F8EF266E0917EF70A8533" xlink:type="arc" />
    <link:label id="lab_us-gaap_LandMember_2870B5F41975985515CE917EF70AD1F2_terseLabel_en-US" xlink:label="lab_us-gaap_LandMember_2870B5F41975985515CE917EF70AD1F2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Land</link:label>
    <link:label id="lab_us-gaap_LandMember_2870B5F41975985515CE917EF70AD1F2_label_en-US" xlink:label="lab_us-gaap_LandMember_2870B5F41975985515CE917EF70AD1F2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LandMember" xlink:label="loc_us-gaap_LandMember_2870B5F41975985515CE917EF70AD1F2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LandMember_2870B5F41975985515CE917EF70AD1F2" xlink:to="lab_us-gaap_LandMember_2870B5F41975985515CE917EF70AD1F2" xlink:type="arc" />
    <link:label id="lab_us-gaap_BuildingAndBuildingImprovementsMember_1C59F26D49F5B131AA36917EF70A2E22_terseLabel_en-US" xlink:label="lab_us-gaap_BuildingAndBuildingImprovementsMember_1C59F26D49F5B131AA36917EF70A2E22" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Buildings and improvements</link:label>
    <link:label id="lab_us-gaap_BuildingAndBuildingImprovementsMember_1C59F26D49F5B131AA36917EF70A2E22_label_en-US" xlink:label="lab_us-gaap_BuildingAndBuildingImprovementsMember_1C59F26D49F5B131AA36917EF70A2E22" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Building and Building Improvements [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_1C59F26D49F5B131AA36917EF70A2E22" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BuildingAndBuildingImprovementsMember_1C59F26D49F5B131AA36917EF70A2E22" xlink:to="lab_us-gaap_BuildingAndBuildingImprovementsMember_1C59F26D49F5B131AA36917EF70A2E22" xlink:type="arc" />
    <link:label id="lab_us-gaap_MachineryAndEquipmentMember_60E18E05B557EC19505D9185A511E8A2_terseLabel_en-US" xlink:label="lab_us-gaap_MachineryAndEquipmentMember_60E18E05B557EC19505D9185A511E8A2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Machinery, vehicles and equipment</link:label>
    <link:label id="lab_us-gaap_MachineryAndEquipmentMember_60E18E05B557EC19505D9185A511E8A2_label_en-US" xlink:label="lab_us-gaap_MachineryAndEquipmentMember_60E18E05B557EC19505D9185A511E8A2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Machinery and Equipment [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MachineryAndEquipmentMember" xlink:label="loc_us-gaap_MachineryAndEquipmentMember_60E18E05B557EC19505D9185A511E8A2" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MachineryAndEquipmentMember_60E18E05B557EC19505D9185A511E8A2" xlink:to="lab_us-gaap_MachineryAndEquipmentMember_60E18E05B557EC19505D9185A511E8A2" xlink:type="arc" />
    <link:label id="lab_us-gaap_ConstructionInProgressMember_7B68710B170DB6481246917EF70AA124_terseLabel_en-US" xlink:label="lab_us-gaap_ConstructionInProgressMember_7B68710B170DB6481246917EF70AA124" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Construction in progress</link:label>
    <link:label id="lab_us-gaap_ConstructionInProgressMember_7B68710B170DB6481246917EF70AA124_label_en-US" xlink:label="lab_us-gaap_ConstructionInProgressMember_7B68710B170DB6481246917EF70AA124" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Construction in Progress [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="loc_us-gaap_ConstructionInProgressMember_7B68710B170DB6481246917EF70AA124" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConstructionInProgressMember_7B68710B170DB6481246917EF70AA124" xlink:to="lab_us-gaap_ConstructionInProgressMember_7B68710B170DB6481246917EF70AA124" xlink:type="arc" />
    <link:label id="lab_mdu_AggregateReservesMember_4674765C09C662242A41917EF70A9E06_terseLabel_en-US" xlink:label="lab_mdu_AggregateReservesMember_4674765C09C662242A41917EF70A9E06" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate reserves</link:label>
    <link:label id="lab_mdu_AggregateReservesMember_4674765C09C662242A41917EF70A9E06_label_en-US" xlink:label="lab_mdu_AggregateReservesMember_4674765C09C662242A41917EF70A9E06" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aggregate reserves [Member]</link:label>
    <link:label id="lab_mdu_AggregateReservesMember_4674765C09C662242A41917EF70A9E06_documentation_en-US" xlink:label="lab_mdu_AggregateReservesMember_4674765C09C662242A41917EF70A9E06" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aggregate reserves for natural gas and oil.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_AggregateReservesMember" xlink:label="loc_mdu_AggregateReservesMember_4674765C09C662242A41917EF70A9E06" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_AggregateReservesMember_4674765C09C662242A41917EF70A9E06" xlink:to="lab_mdu_AggregateReservesMember_4674765C09C662242A41917EF70A9E06" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_931D4F943B7404F729C7917EF70A3374_terseLabel_en-US" xlink:label="lab_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_931D4F943B7404F729C7917EF70A3374" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_931D4F943B7404F729C7917EF70A3374_label_en-US" xlink:label="lab_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_931D4F943B7404F729C7917EF70A3374" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Capitalized Property Plant and Equipment [Member]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember" xlink:label="loc_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_931D4F943B7404F729C7917EF70A3374" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_931D4F943B7404F729C7917EF70A3374" xlink:to="lab_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_931D4F943B7404F729C7917EF70A3374" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_48753FCDD6C632224D69917EF70ACABB_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_48753FCDD6C632224D69917EF70ACABB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment [Line Items]</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentLineItems_48753FCDD6C632224D69917EF70ACABB_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentLineItems_48753FCDD6C632224D69917EF70ACABB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_48753FCDD6C632224D69917EF70ACABB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_48753FCDD6C632224D69917EF70ACABB" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentLineItems_48753FCDD6C632224D69917EF70ACABB" xlink:type="arc" />
    <link:label id="lab_us-gaap_InterestCostsCapitalized_1E28F44BA84F32DF9258917EF70AEBC8_terseLabel_en-US" xlink:label="lab_us-gaap_InterestCostsCapitalized_1E28F44BA84F32DF9258917EF70AEBC8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest capitalized</link:label>
    <link:label id="lab_us-gaap_InterestCostsCapitalized_1E28F44BA84F32DF9258917EF70AEBC8_label_en-US" xlink:label="lab_us-gaap_InterestCostsCapitalized_1E28F44BA84F32DF9258917EF70AEBC8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Costs Capitalized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="loc_us-gaap_InterestCostsCapitalized_1E28F44BA84F32DF9258917EF70AEBC8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestCostsCapitalized_1E28F44BA84F32DF9258917EF70AEBC8" xlink:to="lab_us-gaap_InterestCostsCapitalized_1E28F44BA84F32DF9258917EF70AEBC8" xlink:type="arc" />
    <link:label id="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest_532AE25F94F198A873DC917EF70AA61C_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest_532AE25F94F198A873DC917EF70AA61C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AFUDC - borrowed</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest_532AE25F94F198A873DC917EF70AA61C_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest_532AE25F94F198A873DC917EF70AA61C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance for Funds Used During Construction, Capitalized Interest</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest" xlink:label="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest_532AE25F94F198A873DC917EF70AA61C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest_532AE25F94F198A873DC917EF70AA61C" xlink:to="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest_532AE25F94F198A873DC917EF70AA61C" xlink:type="arc" />
    <link:label id="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_E9B22F6F9E81FA9471BE917EF70A9788_terseLabel_en-US" xlink:label="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_E9B22F6F9E81FA9471BE917EF70A9788" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AFUDC - equity</link:label>
    <link:label id="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_E9B22F6F9E81FA9471BE917EF70A9788_label_en-US" xlink:label="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_E9B22F6F9E81FA9471BE917EF70A9788" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Public Utilities, Allowance for Funds Used During Construction, Capitalized Cost of Equity</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity" xlink:label="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_E9B22F6F9E81FA9471BE917EF70A9788" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_E9B22F6F9E81FA9471BE917EF70A9788" xlink:to="lab_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity_E9B22F6F9E81FA9471BE917EF70A9788" xlink:type="arc" />
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_F0486C7F0DEC02B00D75917EF70A40AF_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_F0486C7F0DEC02B00D75917EF70A40AF" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average depreciable life in years</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_F0486C7F0DEC02B00D75917EF70A40AF_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_F0486C7F0DEC02B00D75917EF70A40AF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Useful Life</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_F0486C7F0DEC02B00D75917EF70A40AF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_F0486C7F0DEC02B00D75917EF70A40AF" xlink:to="lab_us-gaap_PropertyPlantAndEquipmentUsefulLife_F0486C7F0DEC02B00D75917EF70A40AF" xlink:type="arc" />
    <link:label id="lab_us-gaap_RetirementPlanSponsorLocationAxis_E96FBEEB34FBD2BE5404B023B0B6D9A9_terseLabel_en-US" xlink:label="lab_us-gaap_RetirementPlanSponsorLocationAxis_E96FBEEB34FBD2BE5404B023B0B6D9A9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retirement Plan Sponsor Location [Axis]</link:label>
    <link:label id="lab_us-gaap_RetirementPlanSponsorLocationAxis_E96FBEEB34FBD2BE5404B023B0B6D9A9_label_en-US" xlink:label="lab_us-gaap_RetirementPlanSponsorLocationAxis_E96FBEEB34FBD2BE5404B023B0B6D9A9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement Plan Sponsor Location [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetirementPlanSponsorLocationAxis" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationAxis_E96FBEEB34FBD2BE5404B023B0B6D9A9" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationAxis_E96FBEEB34FBD2BE5404B023B0B6D9A9" xlink:to="lab_us-gaap_RetirementPlanSponsorLocationAxis_E96FBEEB34FBD2BE5404B023B0B6D9A9" xlink:type="arc" />
    <link:label id="lab_us-gaap_RetirementPlanSponsorLocationDomain_7D2010E58DEFC5275C81B023B0B8B97C_terseLabel_en-US" xlink:label="lab_us-gaap_RetirementPlanSponsorLocationDomain_7D2010E58DEFC5275C81B023B0B8B97C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retirement Plan Sponsor Location [Domain]</link:label>
    <link:label id="lab_us-gaap_RetirementPlanSponsorLocationDomain_7D2010E58DEFC5275C81B023B0B8B97C_label_en-US" xlink:label="lab_us-gaap_RetirementPlanSponsorLocationDomain_7D2010E58DEFC5275C81B023B0B8B97C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement Plan Sponsor Location [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RetirementPlanSponsorLocationDomain" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationDomain_7D2010E58DEFC5275C81B023B0B8B97C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationDomain_7D2010E58DEFC5275C81B023B0B8B97C" xlink:to="lab_us-gaap_RetirementPlanSponsorLocationDomain_7D2010E58DEFC5275C81B023B0B8B97C" xlink:type="arc" />
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    <link:label id="lab_us-gaap_PrescriptionDrugSubsidyReceiptsYearThree1_8B8EA8E645B57FA36C17AF721EF67AC3_label_en-US" xlink:label="lab_us-gaap_PrescriptionDrugSubsidyReceiptsYearThree1_8B8EA8E645B57FA36C17AF721EF67AC3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrescriptionDrugSubsidyReceiptsYearThree1" xlink:label="loc_us-gaap_PrescriptionDrugSubsidyReceiptsYearThree1_8B8EA8E645B57FA36C17AF721EF67AC3" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrescriptionDrugSubsidyReceiptsYearThree1_8B8EA8E645B57FA36C17AF721EF67AC3" xlink:to="lab_us-gaap_PrescriptionDrugSubsidyReceiptsYearThree1_8B8EA8E645B57FA36C17AF721EF67AC3" xlink:type="arc" />
    <link:label id="lab_us-gaap_PrescriptionDrugSubsidyReceiptsYearFour1_B6418C91F45D880A98FCAF721EF6AF68_terseLabel_en-US" xlink:label="lab_us-gaap_PrescriptionDrugSubsidyReceiptsYearFour1_B6418C91F45D880A98FCAF721EF6AF68" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prescription drug subsidy receipts, Year Four</link:label>
    <link:label id="lab_us-gaap_PrescriptionDrugSubsidyReceiptsYearFour1_B6418C91F45D880A98FCAF721EF6AF68_label_en-US" xlink:label="lab_us-gaap_PrescriptionDrugSubsidyReceiptsYearFour1_B6418C91F45D880A98FCAF721EF6AF68" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrescriptionDrugSubsidyReceiptsYearFour1" xlink:label="loc_us-gaap_PrescriptionDrugSubsidyReceiptsYearFour1_B6418C91F45D880A98FCAF721EF6AF68" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrescriptionDrugSubsidyReceiptsYearFour1_B6418C91F45D880A98FCAF721EF6AF68" xlink:to="lab_us-gaap_PrescriptionDrugSubsidyReceiptsYearFour1_B6418C91F45D880A98FCAF721EF6AF68" xlink:type="arc" />
    <link:label id="lab_us-gaap_PrescriptionDrugSubsidyReceiptsYearFive1_F0855CC88D09916089E2AF721EF618F0_terseLabel_en-US" xlink:label="lab_us-gaap_PrescriptionDrugSubsidyReceiptsYearFive1_F0855CC88D09916089E2AF721EF618F0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prescription drug subsidy receipts, year five</link:label>
    <link:label id="lab_us-gaap_PrescriptionDrugSubsidyReceiptsYearFive1_F0855CC88D09916089E2AF721EF618F0_label_en-US" xlink:label="lab_us-gaap_PrescriptionDrugSubsidyReceiptsYearFive1_F0855CC88D09916089E2AF721EF618F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrescriptionDrugSubsidyReceiptsYearFive1" xlink:label="loc_us-gaap_PrescriptionDrugSubsidyReceiptsYearFive1_F0855CC88D09916089E2AF721EF618F0" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrescriptionDrugSubsidyReceiptsYearFive1_F0855CC88D09916089E2AF721EF618F0" xlink:to="lab_us-gaap_PrescriptionDrugSubsidyReceiptsYearFive1_F0855CC88D09916089E2AF721EF618F0" xlink:type="arc" />
    <link:label id="lab_us-gaap_PrescriptionDrugSubsidyReceiptsAfterYearFive_CF635E9D2860F43FC2DDAF721EF66BB8_terseLabel_en-US" xlink:label="lab_us-gaap_PrescriptionDrugSubsidyReceiptsAfterYearFive_CF635E9D2860F43FC2DDAF721EF66BB8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prescription drug subsidy receipts, after year five</link:label>
    <link:label id="lab_us-gaap_PrescriptionDrugSubsidyReceiptsAfterYearFive_CF635E9D2860F43FC2DDAF721EF66BB8_label_en-US" xlink:label="lab_us-gaap_PrescriptionDrugSubsidyReceiptsAfterYearFive_CF635E9D2860F43FC2DDAF721EF66BB8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt, after Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PrescriptionDrugSubsidyReceiptsAfterYearFive" xlink:label="loc_us-gaap_PrescriptionDrugSubsidyReceiptsAfterYearFive_CF635E9D2860F43FC2DDAF721EF66BB8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrescriptionDrugSubsidyReceiptsAfterYearFive_CF635E9D2860F43FC2DDAF721EF66BB8" xlink:to="lab_us-gaap_PrescriptionDrugSubsidyReceiptsAfterYearFive_CF635E9D2860F43FC2DDAF721EF66BB8" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_6C788CBC391C29C795BABF0CFC4E5592_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_6C788CBC391C29C795BABF0CFC4E5592" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Components of net periodic benefit cost (credit):</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_6C788CBC391C29C795BABF0CFC4E5592_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_6C788CBC391C29C795BABF0CFC4E5592" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_6C788CBC391C29C795BABF0CFC4E5592" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_6C788CBC391C29C795BABF0CFC4E5592" xlink:to="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract_6C788CBC391C29C795BABF0CFC4E5592" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_9CD38D99DE5C866820FEBF0CFC4E4FF8_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_9CD38D99DE5C866820FEBF0CFC4E4FF8" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Expected return on assets</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_9CD38D99DE5C866820FEBF0CFC4E4FF8_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_9CD38D99DE5C866820FEBF0CFC4E4FF8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Expected Return (Loss) on Plan Assets</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_9CD38D99DE5C866820FEBF0CFC4E4FF8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_9CD38D99DE5C866820FEBF0CFC4E4FF8" xlink:to="lab_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_9CD38D99DE5C866820FEBF0CFC4E4FF8" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_62283A320B0FAE2D861BBF0CFC4EFB19_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_62283A320B0FAE2D861BBF0CFC4EFB19" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of prior service cost (credit)</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_62283A320B0FAE2D861BBF0CFC4EFB19_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_62283A320B0FAE2D861BBF0CFC4EFB19" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Amortization of Prior Service Cost (Credit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_62283A320B0FAE2D861BBF0CFC4EFB19" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_62283A320B0FAE2D861BBF0CFC4EFB19" xlink:to="lab_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_62283A320B0FAE2D861BBF0CFC4EFB19" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_9AE6312C67D2AC1760BABF0CFC4E24CF_negatedLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_9AE6312C67D2AC1760BABF0CFC4E24CF" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Recognized net actuarial loss</link:label>
    <link:label id="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_9AE6312C67D2AC1760BABF0CFC4E24CF_label_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_9AE6312C67D2AC1760BABF0CFC4E24CF" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan, Amortization of Gain (Loss)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_9AE6312C67D2AC1760BABF0CFC4E24CF" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_9AE6312C67D2AC1760BABF0CFC4E24CF" xlink:to="lab_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_9AE6312C67D2AC1760BABF0CFC4E24CF" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_B4C96DFD82D62FD095DCBF0CFC4E4D18_negatedLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_B4C96DFD82D62FD095DCBF0CFC4E4D18" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Curtailment loss</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_B4C96DFD82D62FD095DCBF0CFC4E4D18" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_B4C96DFD82D62FD095DCBF0CFC4E4D18" xlink:to="lab_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments_B4C96DFD82D62FD095DCBF0CFC4E4D18" xlink:type="arc" />
    <link:label id="lab_mdu_DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized_AE82F5266845AA4C5DAFBF0CFC4E4C11_totalLabel_en-US" xlink:label="lab_mdu_DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized_AE82F5266845AA4C5DAFBF0CFC4E4C11" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net periodic benefit cost (credit), including amount capitalized</link:label>
    <link:label id="lab_mdu_DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized_AE82F5266845AA4C5DAFBF0CFC4E4C11_label_en-US" xlink:label="lab_mdu_DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized_AE82F5266845AA4C5DAFBF0CFC4E4C11" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Net Periodic Benefit Cost Including Amount Capitalized</link:label>
    <link:label id="lab_mdu_DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized_AE82F5266845AA4C5DAFBF0CFC4E4C11_documentation_en-US" xlink:label="lab_mdu_DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized_AE82F5266845AA4C5DAFBF0CFC4E4C11" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The total amount of net periodic benefit cost including amount capitalized for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain or loss, prior service cost or credit, transition asset or obligation, and gain or loss due to settlements or curtailments), including amount capitalized.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized" xlink:label="loc_mdu_DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized_AE82F5266845AA4C5DAFBF0CFC4E4C11" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized_AE82F5266845AA4C5DAFBF0CFC4E4C11" xlink:to="lab_mdu_DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized_AE82F5266845AA4C5DAFBF0CFC4E4C11" xlink:type="arc" />
    <link:label id="lab_mdu_DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized_55C42038F8BAE5067EB5BF0CFC4EF507_negatedLabel_en-US" xlink:label="lab_mdu_DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized_55C42038F8BAE5067EB5BF0CFC4EF507" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Less amount capitalized</link:label>
    <link:label id="lab_mdu_DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized_55C42038F8BAE5067EB5BF0CFC4EF507_label_en-US" xlink:label="lab_mdu_DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized_55C42038F8BAE5067EB5BF0CFC4EF507" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Defined Benefit Plan Net Periodic Benefit Cost Amount Capitalized</link:label>
    <link:label id="lab_mdu_DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized_55C42038F8BAE5067EB5BF0CFC4EF507_documentation_en-US" xlink:label="lab_mdu_DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized_55C42038F8BAE5067EB5BF0CFC4EF507" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The total amount of net periodic benefit cost for defined benefit plans capitalized for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain or loss, prior service cost or credit, transition asset or obligation, and gain or loss due to settlements or curtailments).</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized" xlink:label="loc_mdu_DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized_55C42038F8BAE5067EB5BF0CFC4EF507" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized_55C42038F8BAE5067EB5BF0CFC4EF507" xlink:to="lab_mdu_DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized_55C42038F8BAE5067EB5BF0CFC4EF507" xlink:type="arc" />
    <link:label id="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_9B0F5B86063A95FBA078BF0CFC4E489E_totalLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_9B0F5B86063A95FBA078BF0CFC4E489E" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net periodic benefit cost (credit)</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_9B0F5B86063A95FBA078BF0CFC4E489E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_9B0F5B86063A95FBA078BF0CFC4E489E" xlink:to="lab_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_9B0F5B86063A95FBA078BF0CFC4E489E" xlink:type="arc" />
    <link:label id="lab_us-gaap_GeneralDiscussionOfPensionAndOtherPostretirementBenefitsAbstract_90DFD2885F5EEE59DC7BBF0CFC4E0B21_terseLabel_en-US" xlink:label="lab_us-gaap_GeneralDiscussionOfPensionAndOtherPostretirementBenefitsAbstract_90DFD2885F5EEE59DC7BBF0CFC4E0B21" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other changes in plan assets and benefit obligations recognized in accumulated comprehensive (income) loss or regulatory assets (liabilities):</link:label>
    <link:label id="lab_us-gaap_GeneralDiscussionOfPensionAndOtherPostretirementBenefitsAbstract_90DFD2885F5EEE59DC7BBF0CFC4E0B21_label_en-US" xlink:label="lab_us-gaap_GeneralDiscussionOfPensionAndOtherPostretirementBenefitsAbstract_90DFD2885F5EEE59DC7BBF0CFC4E0B21" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retirement Benefits, Description [Abstract]</link:label>
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    <link:label id="lab_us-gaap_StockholdersEquityAbstract_D3E8E68BEDC922AFF9B496586EB19389_verboseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract_D3E8E68BEDC922AFF9B496586EB19389" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stockholders' equity:</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract_215D2138311B35F559DD9A5DBDE71C83_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract_215D2138311B35F559DD9A5DBDE71C83" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Used to determine benefit obligation</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_51B49440D0211BED070F8C3F51C478BE_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_51B49440D0211BED070F8C3F51C478BE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets [Table Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock_51B49440D0211BED070F8C3F51C478BE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_51D2FC3408988C7F0F898C3F509D1A2E_verboseLabel_en-US" xlink:label="lab_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_51D2FC3408988C7F0F898C3F509D1A2E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Employee Benefit Plans</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_51D2FC3408988C7F0F898C3F509D1A2E" xlink:type="locator" />
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    <link:label id="lab_mdu_PronghornAssetsHeldforSaleMember_8026185214F446AE05768C3F51FB691D_terseLabel_en-US" xlink:label="lab_mdu_PronghornAssetsHeldforSaleMember_8026185214F446AE05768C3F51FB691D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pronghorn [Member]</link:label>
    <link:label id="lab_mdu_PronghornAssetsHeldforSaleMember_8026185214F446AE05768C3F51FB691D_label_en-US" xlink:label="lab_mdu_PronghornAssetsHeldforSaleMember_8026185214F446AE05768C3F51FB691D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pronghorn Assets Held for Sale [Member]</link:label>
    <link:label id="lab_mdu_PronghornAssetsHeldforSaleMember_8026185214F446AE05768C3F51FB691D_documentation_en-US" xlink:label="lab_mdu_PronghornAssetsHeldforSaleMember_8026185214F446AE05768C3F51FB691D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Pronghorn assets held for sale.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_PronghornAssetsHeldforSaleMember" xlink:label="loc_mdu_PronghornAssetsHeldforSaleMember_8026185214F446AE05768C3F51FB691D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember_C1BC9746F06BC55CF5198C3F51FB9C78_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember_C1BC9746F06BC55CF5198C3F51FB9C78" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disposal group, held-for-sale, not discontinued operations [Member]</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember" xlink:label="loc_us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember_C1BC9746F06BC55CF5198C3F51FB9C78" xlink:type="locator" />
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    <link:label id="lab_mdu_PercentofOwnershipToSell_7C38A9B2246A61F07A458C3F51FB4B88_terseLabel_en-US" xlink:label="lab_mdu_PercentofOwnershipToSell_7C38A9B2246A61F07A458C3F51FB4B88" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-operating ownership interest</link:label>
    <link:label id="lab_mdu_PercentofOwnershipToSell_7C38A9B2246A61F07A458C3F51FB4B88_label_en-US" xlink:label="lab_mdu_PercentofOwnershipToSell_7C38A9B2246A61F07A458C3F51FB4B88" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percent of Ownership To Sell</link:label>
    <link:label id="lab_mdu_PercentofOwnershipToSell_7C38A9B2246A61F07A458C3F51FB4B88_documentation_en-US" xlink:label="lab_mdu_PercentofOwnershipToSell_7C38A9B2246A61F07A458C3F51FB4B88" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percent of ownership to sell.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_PercentofOwnershipToSell" xlink:label="loc_mdu_PercentofOwnershipToSell_7C38A9B2246A61F07A458C3F51FB4B88" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_PercentofOwnershipToSell_7C38A9B2246A61F07A458C3F51FB4B88" xlink:to="lab_mdu_PercentofOwnershipToSell_7C38A9B2246A61F07A458C3F51FB4B88" xlink:type="arc" />
    <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_63A7B1096666B361FE878C3F51FBC432_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_63A7B1096666B361FE878C3F51FBC432" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds</link:label>
    <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_63A7B1096666B361FE878C3F51FBC432_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_63A7B1096666B361FE878C3F51FBC432" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Consideration</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_63A7B1096666B361FE878C3F51FBC432" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_63A7B1096666B361FE878C3F51FBC432" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration_63A7B1096666B361FE878C3F51FBC432" xlink:type="arc" />
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_E221B6F7F1AA174768ABBE341AC4C06F_terseLabel_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_E221B6F7F1AA174768ABBE341AC4C06F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other comprehensive income (loss):</link:label>
    <link:label id="lab_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_E221B6F7F1AA174768ABBE341AC4C06F_label_en-US" xlink:label="lab_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_E221B6F7F1AA174768ABBE341AC4C06F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAbstract" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_E221B6F7F1AA174768ABBE341AC4C06F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_E221B6F7F1AA174768ABBE341AC4C06F" xlink:to="lab_us-gaap_ComprehensiveIncomeNetOfTaxAbstract_E221B6F7F1AA174768ABBE341AC4C06F" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2E6FCFAEF2B2B2A5A12DBE341AC4868E_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2E6FCFAEF2B2B2A5A12DBE341AC4868E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Net of Tax [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2E6FCFAEF2B2B2A5A12DBE341AC4868E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2E6FCFAEF2B2B2A5A12DBE341AC4868E" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_2E6FCFAEF2B2B2A5A12DBE341AC4868E" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_43BB033760ED134E7EF2BE341AC4AA58_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_43BB033760ED134E7EF2BE341AC4AA58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net unrealized gain on derivative instruments qualifying as hedges:</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_43BB033760ED134E7EF2BE341AC4AA58" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_43BB033760ED134E7EF2BE341AC4AA58" xlink:to="lab_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract_43BB033760ED134E7EF2BE341AC4AA58" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_B1D0B015A2DC7D082608BE341AC45ECD_negatedLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_B1D0B015A2DC7D082608BE341AC45ECD" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Reclassification adjustment for loss on derivative instruments included in net income (loss), net of tax of $224, $226 and $233 in 2017, 2016 and 2015, respectively</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_B1D0B015A2DC7D082608BE341AC45ECD_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_B1D0B015A2DC7D082608BE341AC45ECD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax_B1D0B015A2DC7D082608BE341AC45ECD" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTaxAbstract_5FC726748E79DBFCEEEDBE341AC478D2_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTaxAbstract_5FC726748E79DBFCEEEDBE341AC478D2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Postretirement liability adjustment:</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTaxAbstract_5FC726748E79DBFCEEEDBE341AC478D2_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTaxAbstract_5FC726748E79DBFCEEEDBE341AC478D2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax [Abstract]</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTaxAbstract_5FC726748E79DBFCEEEDBE341AC478D2" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTaxAbstract_5FC726748E79DBFCEEEDBE341AC478D2" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax_D28CE15E89ABB42C1054BE341AC47B8E_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax_D28CE15E89ABB42C1054BE341AC47B8E" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Postretirement liability losses arising during the period, net of tax of $(1,162), $(836) and $(55) in 2017, 2016 and 2015, respectively</link:label>
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax_D28CE15E89ABB42C1054BE341AC47B8E_label_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax_D28CE15E89ABB42C1054BE341AC47B8E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax_D28CE15E89ABB42C1054BE341AC47B8E" xlink:to="lab_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax_D28CE15E89ABB42C1054BE341AC47B8E" xlink:type="arc" />
    <link:label id="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_B1936C92D9F1F03D7B3CBE341AC4FD22_terseLabel_en-US" xlink:label="lab_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax_B1936C92D9F1F03D7B3CBE341AC4FD22" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of postretirement liability losses included in net periodic benefit cost (credit), net of tax of $645, $1,425 and $1,128 in 2017, 2016 and 2015, respectively</link:label>
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    <link:label id="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_990844E1CE5F02766DFE8C3F51F74CC8_label_en-US" xlink:label="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_990844E1CE5F02766DFE8C3F51F74CC8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Assets, Noncurrent [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_990844E1CE5F02766DFE8C3F51F74CC8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_990844E1CE5F02766DFE8C3F51F74CC8" xlink:to="lab_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract_990844E1CE5F02766DFE8C3F51F74CC8" xlink:type="arc" />
    <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent_7999EC2D9D26085876C88C3F51F7030A_terseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent_7999EC2D9D26085876C88C3F51F7030A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:label id="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent_7999EC2D9D26085876C88C3F51F7030A_label_en-US" xlink:label="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent_7999EC2D9D26085876C88C3F51F7030A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposal Group, Including Discontinued Operation, Goodwill, Noncurrent</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent_7999EC2D9D26085876C88C3F51F7030A" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent_7999EC2D9D26085876C88C3F51F7030A" xlink:to="lab_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent_7999EC2D9D26085876C88C3F51F7030A" xlink:type="arc" />
    <link:label id="lab_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_C21818E0CB0917E26F7D8C3F51F7A1C4_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_C21818E0CB0917E26F7D8C3F51F7A1C4" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Fair value impairment</link:label>
    <link:label id="lab_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_C21818E0CB0917E26F7D8C3F51F7A1C4_label_en-US" xlink:label="lab_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_C21818E0CB0917E26F7D8C3F51F7A1C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_C21818E0CB0917E26F7D8C3F51F7A1C4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_C21818E0CB0917E26F7D8C3F51F7A1C4" xlink:to="lab_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_C21818E0CB0917E26F7D8C3F51F7A1C4" xlink:type="arc" />
    <link:label id="lab_mdu_DisposalGroupNotDiscontinuedOperationGainLossonDisposalNetofTax_7EFD38782C0B1D567FFB8C3F51F7E150_negatedTerseLabel_en-US" xlink:label="lab_mdu_DisposalGroupNotDiscontinuedOperationGainLossonDisposalNetofTax_7EFD38782C0B1D567FFB8C3F51F7E150" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Fair value impairment, net of tax</link:label>
    <link:label id="lab_mdu_DisposalGroupNotDiscontinuedOperationGainLossonDisposalNetofTax_7EFD38782C0B1D567FFB8C3F51F7E150_label_en-US" xlink:label="lab_mdu_DisposalGroupNotDiscontinuedOperationGainLossonDisposalNetofTax_7EFD38782C0B1D567FFB8C3F51F7E150" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Net of Tax</link:label>
    <link:label id="lab_mdu_DisposalGroupNotDiscontinuedOperationGainLossonDisposalNetofTax_7EFD38782C0B1D567FFB8C3F51F7E150_documentation_en-US" xlink:label="lab_mdu_DisposalGroupNotDiscontinuedOperationGainLossonDisposalNetofTax_7EFD38782C0B1D567FFB8C3F51F7E150" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disposal group, not discontinued operation, gain (loss) on disposal, net of tax.</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_DisposalGroupNotDiscontinuedOperationGainLossonDisposalNetofTax" xlink:label="loc_mdu_DisposalGroupNotDiscontinuedOperationGainLossonDisposalNetofTax_7EFD38782C0B1D567FFB8C3F51F7E150" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_mdu_DisposalGroupNotDiscontinuedOperationGainLossonDisposalNetofTax_7EFD38782C0B1D567FFB8C3F51F7E150" xlink:to="lab_mdu_DisposalGroupNotDiscontinuedOperationGainLossonDisposalNetofTax_7EFD38782C0B1D567FFB8C3F51F7E150" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityTable_269197938F4697BA92AA8C3F519154E1_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityTable_269197938F4697BA92AA8C3F519154E1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of credit facility [Table]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityTable_269197938F4697BA92AA8C3F519154E1_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityTable_269197938F4697BA92AA8C3F519154E1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Table]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_269197938F4697BA92AA8C3F519154E1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_269197938F4697BA92AA8C3F519154E1" xlink:to="lab_us-gaap_LineOfCreditFacilityTable_269197938F4697BA92AA8C3F519154E1" xlink:type="arc" />
    <link:label id="lab_mdu_CommercialPaperRevolvingCreditAgreementMember_68E289E9BE42B1CED2238C3F519184FE_terseLabel_en-US" xlink:label="lab_mdu_CommercialPaperRevolvingCreditAgreementMember_68E289E9BE42B1CED2238C3F519184FE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial paper revolving credit agreement [Member]</link:label>
    <link:label id="lab_mdu_CommercialPaperRevolvingCreditAgreementMember_68E289E9BE42B1CED2238C3F519184FE_label_en-US" xlink:label="lab_mdu_CommercialPaperRevolvingCreditAgreementMember_68E289E9BE42B1CED2238C3F519184FE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial Paper Revolving Credit Agreement [Member]</link:label>
    <link:label id="lab_mdu_CommercialPaperRevolvingCreditAgreementMember_68E289E9BE42B1CED2238C3F519184FE_documentation_en-US" xlink:label="lab_mdu_CommercialPaperRevolvingCreditAgreementMember_68E289E9BE42B1CED2238C3F519184FE" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commercial paper facility supported by revolving credit agreement</link:label>
    <link:loc xlink:href="mdu-20171231.xsd#mdu_CommercialPaperRevolvingCreditAgreementMember" xlink:label="loc_mdu_CommercialPaperRevolvingCreditAgreementMember_68E289E9BE42B1CED2238C3F519184FE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_53E057575D39A785EC218C3F51929A2D_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems_53E057575D39A785EC218C3F51929A2D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of credit facility and other debt [Line Items]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityLineItems_53E057575D39A785EC218C3F51929A2D_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLineItems_53E057575D39A785EC218C3F51929A2D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_53E057575D39A785EC218C3F51929A2D" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_53E057575D39A785EC218C3F51929A2D" xlink:to="lab_us-gaap_LineOfCreditFacilityLineItems_53E057575D39A785EC218C3F51929A2D" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCreditFacilityAbstract_3581F4EACC5E2B28CAEA8C3F51922B70_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAbstract_3581F4EACC5E2B28CAEA8C3F51922B70" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of credit facility and other debt [Abstract]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityAbstract_3581F4EACC5E2B28CAEA8C3F51922B70_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAbstract_3581F4EACC5E2B28CAEA8C3F51922B70" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility [Abstract]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityAbstract" xlink:label="loc_us-gaap_LineOfCreditFacilityAbstract_3581F4EACC5E2B28CAEA8C3F51922B70" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityAbstract_3581F4EACC5E2B28CAEA8C3F51922B70" xlink:to="lab_us-gaap_LineOfCreditFacilityAbstract_3581F4EACC5E2B28CAEA8C3F51922B70" xlink:type="arc" />
    <link:label id="lab_us-gaap_LineOfCredit_78A6881D8DCD20856BE48C3F519214CE_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCredit_78A6881D8DCD20856BE48C3F519214CE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount outstanding, end of period</link:label>
    <link:label id="lab_us-gaap_LineOfCredit_78A6881D8DCD20856BE48C3F519214CE_label_en-US" xlink:label="lab_us-gaap_LineOfCredit_78A6881D8DCD20856BE48C3F519214CE" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-term Line of Credit</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCredit" xlink:label="loc_us-gaap_LineOfCredit_78A6881D8DCD20856BE48C3F519214CE" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_770E5205A99C2B4D24938C3F51922B3E_verboseLabel_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_770E5205A99C2B4D24938C3F51922B3E" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Letters of credit at end of period</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_770E5205A99C2B4D24938C3F51922B3E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LineOfCreditFacilityExpirationDate1_EE707EAEB000024C4B7A8C3F51928509_verboseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityExpirationDate1_EE707EAEB000024C4B7A8C3F51928509" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Expiration date</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityExpirationDate1_EE707EAEB000024C4B7A8C3F51928509_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityExpirationDate1_EE707EAEB000024C4B7A8C3F51928509" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Expiration Date</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1" xlink:label="loc_us-gaap_LineOfCreditFacilityExpirationDate1_EE707EAEB000024C4B7A8C3F51928509" xlink:type="locator" />
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    <link:label id="lab_mdu_OptionToIncreaseBorrowingsMaximumAmount_1F1BE5786198DC03E8AA8C3F5192E30C_terseLabel_en-US" xlink:label="lab_mdu_OptionToIncreaseBorrowingsMaximumAmount_1F1BE5786198DC03E8AA8C3F5192E30C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Option to increase borrowings, maximum amount</link:label>
    <link:label id="lab_mdu_OptionToIncreaseBorrowingsMaximumAmount_1F1BE5786198DC03E8AA8C3F5192E30C_label_en-US" xlink:label="lab_mdu_OptionToIncreaseBorrowingsMaximumAmount_1F1BE5786198DC03E8AA8C3F5192E30C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Option to increase borrowings, maximum amount</link:label>
    <link:label id="lab_mdu_OptionToIncreaseBorrowingsMaximumAmount_1F1BE5786198DC03E8AA8C3F5192E30C_documentation_en-US" xlink:label="lab_mdu_OptionToIncreaseBorrowingsMaximumAmount_1F1BE5786198DC03E8AA8C3F5192E30C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The option to increase borrowing capacity to the stated maximum amount, at the option of the company, on stated conditions.</link:label>
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    <link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_905C7D9E731F043E5AD994A8D4A5107E_terseLabel_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_905C7D9E731F043E5AD994A8D4A5107E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of presentation</link:label>
    <link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_905C7D9E731F043E5AD994A8D4A5107E_label_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_905C7D9E731F043E5AD994A8D4A5107E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis of Accounting, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_905C7D9E731F043E5AD994A8D4A5107E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_905C7D9E731F043E5AD994A8D4A5107E" xlink:to="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_905C7D9E731F043E5AD994A8D4A5107E" xlink:type="arc" />
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_1FB0D3E0605DD83CE35494A8D4A573A8_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_1FB0D3E0605DD83CE35494A8D4A573A8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_1FB0D3E0605DD83CE35494A8D4A573A8_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsPolicyTextBlock_1FB0D3E0605DD83CE35494A8D4A573A8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_1FB0D3E0605DD83CE35494A8D4A573A8" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy_771D8127638F149E6AE494A8D4A5340C_terseLabel_en-US" xlink:label="lab_us-gaap_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy_771D8127638F149E6AE494A8D4A5340C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accounts receivable and allowance for doubtful accounts</link:label>
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    <link:label id="lab_us-gaap_InventoryPolicyTextBlock_7B7856F29CE9626C64F294A8D4A5328C_label_en-US" xlink:label="lab_us-gaap_InventoryPolicyTextBlock_7B7856F29CE9626C64F294A8D4A5328C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Inventory, Policy [Policy Text Block]</link:label>
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    <link:label id="lab_us-gaap_InvestmentPolicyTextBlock_9F0EF1A239A34E06C05294A8D4A567E2_verboseLabel_en-US" xlink:label="lab_us-gaap_InvestmentPolicyTextBlock_9F0EF1A239A34E06C05294A8D4A567E2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Investments</link:label>
    <link:label id="lab_us-gaap_InvestmentPolicyTextBlock_9F0EF1A239A34E06C05294A8D4A567E2_label_en-US" xlink:label="lab_us-gaap_InvestmentPolicyTextBlock_9F0EF1A239A34E06C05294A8D4A567E2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentPolicyTextBlock" xlink:label="loc_us-gaap_InvestmentPolicyTextBlock_9F0EF1A239A34E06C05294A8D4A567E2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_2EC7526516A97A3D873294A8D4A5B014_verboseLabel_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_2EC7526516A97A3D873294A8D4A5B014" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Property, plant and equipment</link:label>
    <link:label id="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_2EC7526516A97A3D873294A8D4A5B014_label_en-US" xlink:label="lab_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_2EC7526516A97A3D873294A8D4A5B014" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property, Plant and Equipment, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentPolicyTextBlock" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock_2EC7526516A97A3D873294A8D4A5B014" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_AADD4573E6763D4D33A494A8D4A5318F_terseLabel_en-US" xlink:label="lab_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_AADD4573E6763D4D33A494A8D4A5318F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impairment of long-lived assets</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_AADD4573E6763D4D33A494A8D4A5318F" xlink:type="locator" />
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    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_A63ADA767493D6B569A894A8D4A55E4A_verboseLabel_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_A63ADA767493D6B569A894A8D4A55E4A" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Goodwill</link:label>
    <link:label id="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_A63ADA767493D6B569A894A8D4A55E4A_label_en-US" xlink:label="lab_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_A63ADA767493D6B569A894A8D4A55E4A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Goodwill and Intangible Assets, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_A63ADA767493D6B569A894A8D4A55E4A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RevenueRecognitionPolicyTextBlock_E133D3C42B4CC1634EFF94A8D4A58FF0_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPolicyTextBlock_E133D3C42B4CC1634EFF94A8D4A58FF0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue recognition</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock_E133D3C42B4CC1634EFF94A8D4A58FF0" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RevenueRecognitionPercentageOfCompletionMethod_16D2E6B111A2F032C15494A8D4A59689_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRecognitionPercentageOfCompletionMethod_16D2E6B111A2F032C15494A8D4A59689" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage-of-completion method</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RevenueRecognitionPercentageOfCompletionMethod" xlink:label="loc_us-gaap_RevenueRecognitionPercentageOfCompletionMethod_16D2E6B111A2F032C15494A8D4A59689" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AssetRetirementObligationsPolicy_F679FE200132C421A7BD94A8D4A5EEBB_verboseLabel_en-US" xlink:label="lab_us-gaap_AssetRetirementObligationsPolicy_F679FE200132C421A7BD94A8D4A5EEBB" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Asset retirement obligations</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetRetirementObligationsPolicy" xlink:label="loc_us-gaap_AssetRetirementObligationsPolicy_F679FE200132C421A7BD94A8D4A5EEBB" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LegalCostsPolicyTextBlock_1BABEFC6A0336856ADFB94A8D4A5E82D_terseLabel_en-US" xlink:label="lab_us-gaap_LegalCostsPolicyTextBlock_1BABEFC6A0336856ADFB94A8D4A5E82D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal costs</link:label>
    <link:label id="lab_us-gaap_LegalCostsPolicyTextBlock_1BABEFC6A0336856ADFB94A8D4A5E82D_label_en-US" xlink:label="lab_us-gaap_LegalCostsPolicyTextBlock_1BABEFC6A0336856ADFB94A8D4A5E82D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Costs, Policy [Policy Text Block]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LegalCostsPolicyTextBlock" xlink:label="loc_us-gaap_LegalCostsPolicyTextBlock_1BABEFC6A0336856ADFB94A8D4A5E82D" xlink:type="locator" />
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    <link:label id="lab_mdu_NaturalGasCostsRecoverableOrRefundableThroughRateAdjustmentsPolicyTextBlock_8D304400EA47578C29C194A8D4A53CAE_verboseLabel_en-US" xlink:label="lab_mdu_NaturalGasCostsRecoverableOrRefundableThroughRateAdjustmentsPolicyTextBlock_8D304400EA47578C29C194A8D4A53CAE" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Natural gas costs recoverable or refundable through rate adjustments</link:label>
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    <link:label id="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_3C0A64CD85F144D3BE6E94A8D4A5B958_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy_3C0A64CD85F144D3BE6E94A8D4A5B958" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock-based compensation</link:label>
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            <instant>2017-01-01</instant>
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        <period>
            <startDate>2015-07-01</startDate>
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            <instant>2017-12-31</instant>
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            <instant>2017-12-31</instant>
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            <startDate>2016-06-24</startDate>
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            <instant>2014-12-31</instant>
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The electric and natural gas distribution businesses, as well as a portion of the pipeline and midstream business, are regulated. Construction materials and contracting, construction services and the other businesses, as well as a portion of the pipeline and midstream business, are nonregulated. For further descriptions of the Company's businesses, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;13&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. Intercompany balances and transactions have been eliminated in consolidation, except for certain transactions related to the Company's regulated operations in accordance with GAAP. The statements also include the ownership interests in the assets, liabilities and expenses of jointly owned electric generating facilities.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's regulated businesses are subject to various state and federal agency regulations. The accounting policies followed by these businesses are generally subject to the Uniform System of Accounts of the FERC. These accounting policies differ in some respects from those used by the Company's nonregulated businesses.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's regulated businesses account for certain income and expense items under the provisions of regulatory accounting, which requires these businesses to defer as regulatory assets or liabilities certain items that would have otherwise been reflected as expense or income, respectively, based on the expected regulatory treatment in future rates. The expected recovery or flowback of these deferred items generally is based on specific ratemaking decisions or precedent for each item. Regulatory assets and liabilities are being amortized consistently with the regulatory treatment established by the FERC and the applicable state public service commissions. See Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;4&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; for more information regarding the nature and amounts of these regulatory deferrals.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Depreciation, depletion and amortization expense is reported separately on the Consolidated Statements of Income and therefore is excluded from the other line items within operating expenses.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Management has also evaluated the impact of events occurring after &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, up to the date of issuance of these consolidated financial statements.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On December 22, 2017, President Trump signed into law the TCJA which includes lower corporate tax rates, repealing the domestic production deduction, disallowance of immediate expensing for regulated utility property and modifying or repealing many other business deductions and credits. In accordance with the accounting guidance on accounting for income taxes, entities must account for the effects of the change in tax laws or rates in the period of enactment. In the fourth quarter of 2017, the period of enactment, the Company performed a one-time revaluation of the net deferred tax liabilities to account for the reduction in the corporate tax rate from 35&#160;percent to 21&#160;percent effective January&#160;1, 2018. For more information on the impacts of the TCJA on the year ended December&#160;31, 2017, see Notes &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;4&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;11&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. The Company is currently reviewing the components of the TCJA and evaluating the impact on the Company's consolidated financial statements and related disclosures for 2018 and thereafter.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;As part of the Company's strategic plan to grow its capital investments while focusing on creating a greater long-term value and reducing the Company's risk by decreasing exposure to commodity prices, the Company completed the sales of substantially all of Fidelity's oil and and natural gas assets between October 2015 and April 2016 and Dakota Prairie Refining on June 27, 2016. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The assets and liabilities for the Company's discontinued operations have been classified as held for sale and the results of operations are shown in loss from discontinued operations, other than certain general and administrative costs and interest expense which do not meet the criteria for income (loss) from discontinued operations. At the time the assets were classified as held for sale, depreciation, depletion and amortization expense was no longer recorded. Unless otherwise indicated, the amounts presented in the accompanying notes to the consolidated financial statements relate to the Company's continuing operations. For more information on the Company's discontinued operations, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Cash and cash equivalents&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company considers all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Accounts receivable and allowance for doubtful accounts&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Accounts receivable consists primarily of trade receivables from the sale of goods and services which are recorded at the invoiced amount net of allowance for doubtful accounts, and costs and estimated earnings in excess of billings on uncompleted contracts. For mo&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;re information, see Percentage-of-completion method in this note. The total balance of receivables past due 90 days or more was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$34.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$29.2&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The allowance for doubtful accounts is determined through a review of past due balances and other specific account data. Account balances are written off when management determines the amounts to be uncollectible. The Company's allowance for doubtful accounts at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$8.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$10.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Inventories and natural gas in storage&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Natural gas in storage for the Company's regulated operations is generally carried at lower of cost or net realizable value, or cost using the last-in, first-out method. All other inventories are stated at the lower of cost or net realizable value. The portion of the cost of natural gas in storage expected to be used within one year was included in inventories. Inventories at December&#160;31 consisted of:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:66%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Aggregates held for resale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;115,268&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;115,471&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Asphalt oil&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;30,360&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;29,103&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas in storage (current)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;20,950&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;25,761&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Materials and supplies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;18,650&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;18,372&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Merchandise for resale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;14,905&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;16,437&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;26,450&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;33,129&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;226,583&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;238,273&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The remainder of natural gas in storage, which largely represents the cost of gas required to maintain pressure levels for normal operating purposes, was included in deferred charges and other assets - other and was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$49.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$49.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Investments&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's investments include the cash surrender value of life insurance policies, an insurance contract, mortgage-backed securities and U.S. Treasury securities. The Company measures its investment in the insurance contract at fair value with any unrealized gains and losses recorded on the Consolidated Statements of Income. The Company has not elected the fair value option for its mortgage-backed securities and U.S. Treasury securities and, as a result, the unrealized gains and losses on these investments are recorded in accumulated other comprehensive income (loss). For more information, see Notes&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;5&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;14&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Property, plant and equipment&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Additions to property, plant and equipment are recorded at cost. When regulated assets are retired, or otherwise disposed of in the ordinary course of business, the original cost of the asset is charged to accumulated depreciation. With respect to the retirement or disposal of all other assets, the resulting gains or losses are recognized as a component of income. The Company is permitted to capitalize AFUDC on regulated construction projects and to include such amounts in rate base when the related facilities are placed in service. In addition, the Company capitalizes interest, when applicable, on certain construction projects associated with its other operations. The amount of AFUDC and interest capitalized for the years ended December&#160;31 were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:49%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Interest capitalized&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,381&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;AFUDC - borrowed&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;966&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;914&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,907&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;AFUDC - equity&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;909&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;565&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,971&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Generally, property, plant and equipment are depreciated on a straight-line basis over the average useful lives of the assets, except for depletable aggregate reserves, which are depleted based on the units-of-production method. The Company collects removal costs for plant assets in regulated utility rates. These amounts are recorded as regulatory liabilities, which are included in deferred credits and other liabilities - other. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Property, plant and equipment at December&#160;31 was as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="9"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:61%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Weighted&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Average&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Depreciable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Life in Years&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="8" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(Dollars in thousands, where applicable)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Regulated:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Generation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,034,765&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,036,373&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;39&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;415,543&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;398,382&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;44&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Transmission&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;296,941&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;284,048&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;57&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction in progress&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;117,906&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;62,212&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;117,109&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;107,598&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,831,795&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,718,633&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;47&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction in progress&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;19,823&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;19,934&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;468,227&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;440,846&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;18&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Transmission&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;516,932&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;490,143&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;53&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Gathering&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;37,837&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;37,831&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;20&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Storage&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;45,629&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;45,350&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;62&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction in progress&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;17,488&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;16,507&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;41,054&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;40,873&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;33&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Nonregulated:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Gathering and processing&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;31,678&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;31,682&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;19&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction in progress&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;17&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;9,649&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,800&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Land&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;95,745&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;94,625&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Buildings and improvements&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;102,435&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;102,347&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;20&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Machinery, vehicles and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;947,979&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;930,471&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;12&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction in progress&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7,750&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;16,181&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Aggregate reserves&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;406,139&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;405,751&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Land&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5,216&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,346&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Buildings and improvements&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;27,351&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;26,693&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;25&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Machinery, vehicles and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;137,924&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;132,217&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6,774&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,105&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Land&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,837&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,837&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;28,286&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;46,431&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;19&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated depreciation, depletion and amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,691,641&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,578,902&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net property, plant and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,079,188&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,931,327&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Depleted on the units-of-production method based on recoverable aggregate reserves.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Impairment of long-lived assets&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company reviews the carrying values of its long-lived assets, excluding goodwill and assets held for sale, whenever events or changes in circumstances indicate that such carrying values may not be recoverable. The determination of whether an impairment has occurred is based on an estimate of undiscounted future cash flows attributable to the assets, compared to the carrying value of the assets. If impairment has occurred, the amount of the impairment recognized is determined by estimating the fair value of the assets and recording a loss if the carrying value is greater than the fair value. In the third quarter of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, the Company recognized an impairment of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$14.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; (before tax), largely related to the sale of certain non-strategic natural gas gathering assets that were written down to their estimated fair value that was determined using the market approach. In the second quarter of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, the Company recognized an impairment of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$3.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; (before tax) related to coalbed natural gas gathering assets located in Wyoming where there had been continued decline in natural gas development and production activity due to low natural gas prices. The coalbed natural gas gathering assets were &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;written down to their estimated fair value that was determined using the income approach. The impairments are recorded in operation and maintenance expense on the Consolidated Statements of Income. For more information on these nonrecurring fair value measurements, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;5&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;No significant impairment losses were recorded in 2016 or 2017, other than those related to the Company's assets held for sale and discontinued operations. For more information regarding these impairments, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Unforeseen events and changes in circumstances could require the recognition of impairment losses at some future date.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Goodwill&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Goodwill represents the excess of the purchase price over the fair value of identifiable net tangible and intangible assets acquired in a business combination. Goodwill is required to be tested for impairment annually, which is completed in the fourth quarter, or more frequently if events or changes in circumstances indicate that goodwill may be impaired.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The goodwill impairment test is a two-step process performed at the reporting unit level. The Company has determined that the reporting units for its goodwill impairment test are its operating segments, or components of an operating segment, that constitute a business for which discrete financial information is available and for which segment management regularly reviews the operating results. For more information on the Company's operating segments, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;13&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. The first step of the impairment test involves comparing the fair value of each reporting unit to its carrying value. If the fair value of a reporting unit exceeds its carrying value, the test is complete and no impairment is recorded. If the fair value of a reporting unit is less than its carrying value, step two of the test is performed to determine the amount of impairment loss, if any. The impairment is computed by comparing the implied fair value of the reporting unit's goodwill to the carrying value of that goodwill. If the carrying value is greater than the implied fair value, an impairment loss must be recorded. For the years ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, there were no significant impairment losses recorded. At &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, the fair value substantially exceeded the carrying value at all reporting units. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Determining the fair value of a reporting unit requires judgment and the use of significant estimates which include assumptions about the Company's future revenue, profitability and cash flows, amount and timing of estimated capital expenditures, inflation rates, weighted average cost of capital, operational plans, and current and future economic conditions, among others. The fair value of each reporting unit is determined using a weighted combination of income and market approaches. The Company uses a discounted cash flow methodology for its income approach. Under the income approach, the discounted cash flow model determines fair value based on the present value of projected cash flows over a specified period and a residual value related to future cash flows beyond the projection period. Both values are discounted using a rate which reflects the best estimate of the weighted average cost of capital at each reporting unit. The weighted average cost of capital, which varies by reporting unit and is in the range of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;5&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent to &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;9&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent, and a long-term growth rate projection of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;3&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent were utilized in the goodwill impairment test performed in the fourth quarter of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. Under the market approach, the Company estimates fair value using multiples derived from comparable sales transactions and enterprise value to EBITDA for comparative peer companies for each respective reporting unit. These multiples are applied to operating data for each reporting unit to arrive at an indication of fair value. In addition, the Company adds a reasonable control premium when calculating the fair value utilizing the peer multiples, which is estimated as the premium that would be received in a sale in an orderly transaction between market participants. The Company believes that the estimates and assumptions used in its impairment assessments are reasonable and based on available market information.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Revenue recognition&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Revenue is recognized when the earnings process is complete, as evidenced by an agreement between the customer and the Company, when delivery has occurred or services have been rendered, when the fee is fixed or determinable and when collection is reasonably assured. The Company recognizes utility revenue each month based on the services provided to all utility customers during the month. Accrued unbilled revenue which is included in receivables, net, represents revenues recognized in excess of amounts billed. Accrued unbilled revenue at Montana-Dakota, Cascade and Intermountain was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$112.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$117.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively. The Company recognizes construction contract revenue at its construction businesses using the&#160;percentage-of-completion method as discussed later. The Company recognizes all other revenues when services are rendered or goods are delivered. The Company presents revenues net of taxes collected from customers at the time of sale to be remitted to governmental authorities, including sales and use taxes. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Percentage-of-completion method &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company recognizes construction contract revenue from fixed-price and modified fixed-price construction contracts at its construction businesses using the&#160;percentage-of-completion method, measured by the&#160;percentage of costs incurred to date to estimated total costs for each contract. If a loss is anticipated on a contract, the loss is immediately recognized. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Costs and estimated earnings in excess of billings on uncompleted contracts represent revenues recognized in excess of amounts billed and were included in receivables, net. Billings in excess of costs and estimated earnings on uncompleted contracts represent billings in excess of revenues recognized and were included in accounts payable. Costs and estimated earnings in excess of billings and billings in excess of costs and estimated earnings on uncompleted contracts at December&#160;31 were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:74%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Costs and estimated earnings in excess of billings on uncompleted contracts&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;109,541&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;64,558&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Billings in excess of costs and estimated earnings on uncompleted contracts&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;84,123&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;64,832&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Amounts representing balances billed but not paid by customers under retainage provisions in contracts at December&#160;31 were as follows: &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:74%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Short-term retainage*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;57,134&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;45,109&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Long-term retainage**&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,410&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,506&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total retainage&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;58,544&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;46,615&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:6px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Expected to be paid within one year or less and included in receivables, net.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;**&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Included in deferred charges and other assets - other.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Asset retirement obligations&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company records the fair value of a liability for an asset retirement obligation in the period in which it is incurred. When the liability is initially recorded, the Company capitalizes a cost by increasing the carrying amount of the related long-lived asset. Over time, the liability is accreted to its present value each period, and the capitalized cost is depreciated over the useful life of the related asset. Upon settlement of the liability, the Company either settles the obligation for the recorded amount or incurs a gain or loss at its nonregulated operations or incurs a regulatory asset or liability at its regulated operations. For more information on asset retirement obligations, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;7&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Legal costs&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company expenses external legal fees as they are incurred.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Natural gas costs recoverable or refundable through rate adjustments&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Under the terms of certain orders of the applicable state public service commissions, the Company is deferring natural gas commodity, transportation and storage costs that are greater or less than amounts presently being recovered through its existing rate schedules. Such orders generally provide that these amounts are recoverable or refundable through rate adjustments which are filed annually. Natural gas costs refundable through rate adjustments were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$28.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$25.6&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively, which is included in other accrued liabilities. Natural gas costs recoverable through rate adjustments were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$14.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$2.2&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively, which is included in prepayments and other current assets.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Stock-based compensation&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company records the compensation expense for performance share awards using an estimated forfeiture rate. The estimated forfeiture rate is calculated based on an average of actual historical forfeitures. The Company also preforms an analysis of any known factors at the time of the calculation to identify any necessary adjustments to the average historical forfeiture rate. At the time actual forfeitures become more than estimated forfeitures, the Company records compensation expense using actual forfeitures.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Income taxes&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company provides deferred federal and state income taxes on all temporary differences between the book and tax basis of the Company's assets and liabilities by using enacted tax rates in effect for the year in which the differences are expected to reverse. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income in the period that includes the enactment date. Excess deferred income tax balances associated with the Company's rate-regulated activities have been recorded as a regulatory liability and are included in other liabilities. These regulatory liabilities are expected to be reflected as a reduction in future rates charged to customers in accordance with applicable regulatory procedures.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company uses the deferral method of accounting for investment tax credits and amortizes the credits on regulated electric and natural gas distribution plant over various periods that conform to the ratemaking treatment prescribed by the applicable state public service commissions.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company records uncertain tax positions in accordance with accounting guidance on accounting for income taxes on the basis of a two-step process in which (1) the Company determines whether it is more-likely-than-not that the tax position will be sustained on the basis of the technical merits of the position and (2) for those tax positions that meet the more-likely than-not recognition threshold, the Company recognizes the largest amount of the tax benefit that is more than &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;50 percent&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; likely to be realized upon ultimate settlement with the related tax authority. Tax positions that do not meet the more-likely-than-not criteria are reflected as a tax liability. The Company recognizes interest and penalties accrued related to unrecognized tax benefits in income taxes. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Earnings (loss) per common share&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Basic earnings (loss) per common share were computed by dividing earnings (loss) on common stock by the weighted average number of shares of common stock outstanding during the year. Diluted earnings (loss) per common share were computed by dividing earnings (loss) on common stock by the total of the weighted average number of shares of common stock outstanding during the year, plus the effect of nonvested performance share awards. Common stock outstanding includes issued shares less shares held in treasury. Earnings (loss) on common stock was the same for both the basic and diluted earnings (loss) per share calculations. A reconciliation of the weighted average common shares outstanding used in the basic and diluted earnings (loss) per share calculation was as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:61%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Weighted average common shares outstanding - basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,299&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;194,928&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Effect of dilutive performance share awards&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;383&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;319&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;58&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Weighted average common shares outstanding - diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,687&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,618&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;194,986&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Shares excluded from the calculation of diluted earnings per share&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Use of estimates&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The preparation of financial statements in conformity with GAAP requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Estimates are used for items such as long-lived assets and goodwill; fair values of acquired assets and liabilities under the acquisition method of accounting; aggregate reserves; property depreciable lives; tax provisions; uncollectible accounts; environmental and other loss contingencies; accumulated provision for revenues subject to refund; costs on construction contracts; unbilled revenues; actuarially determined benefit costs; asset retirement obligations; and the valuation of stock-based compensation. As additional information becomes available, or actual amounts are determinable, the recorded estimates are revised. Consequently, operating results can be affected by revisions to prior accounting estimates.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;New accounting standards&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:9.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:9.5pt;color:#000000;font-weight:bold;"&gt;Recently adopted accounting standards&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:9pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Simplifying the Measurement of Inventory&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;"&gt; &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In July 2015, the FASB issued guidance regarding inventory that is measured using the first-in, first-out or average cost method. The guidance does not apply to inventory measured using the last-in, first-out or the retail inventory method. The guidance requires inventory within its scope to be measured at the lower of cost or net realizable value, which is the estimated selling price in the normal course of business less reasonably predictable costs of completion, disposal and transportation. These amendments more closely align GAAP with IFRS. The Company adopted the guidance on January&#160;1, 2017, on a prospective basis. The guidance did not have a material effect on the Company's results of operations, financial position, cash flows or disclosures.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Improvements to Employee Share-Based Payment Accounting&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; In March 2016, the FASB issued guidance regarding simplification of several aspects of the accounting for share-based payment transactions. The guidance affects the income tax consequences, classification of awards as either equity or liabilities, classification on the statement of cash flows and calculation of dilutive shares. The Company adopted the guidance on January 1, 2017. All amendments in the guidance that apply to the Company were adopted on a prospective basis resulting in no adjustments being made to retained earnings. The adoption of the guidance impacted the Consolidated Statement of Income and the Consolidated Balance Sheet in the first quarter of 2017 due to the taxes related to the stock-based compensation award that vested in February 2017 being recognized as income tax expense as compared to a reduction to additional paid-in capital under the previous guidance. Adoption of the guidance also increased the number of shares included in the diluted earnings per share calculation due to the exclusion of tax benefits in the incremental shares calculation. The change in the weighted average common shares outstanding - diluted did not result in a material effect on the earnings per common share - diluted.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:9.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:9.5pt;color:#000000;font-weight:bold;"&gt;Recently issued accounting standards not yet adopted&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Revenue from Contracts with Customers&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; In May 2014, the FASB issued guidance on accounting for revenue from contracts with customers. The guidance provides for a single comprehensive model for entities to use in accounting for revenue arising from contracts with customers and supersedes most current revenue recognition guidance, including industry specific guidance. In August 2015, the FASB issued guidance deferring the effective date of the revenue guidance and allowing entities to early adopt. With this decision, the guidance was effective for the Company on January&#160;1, 2018. Entities had the option of using either a full retrospective or modified retrospective approach to adopting the guidance. Under the modified retrospective approach, an entity recognizes the cumulative effect of initially applying the guidance with an adjustment to the opening balance of retained earnings in the period of adoption. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-bottom:10px;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company adopted the guidance on January&#160;1, 2018, using the modified retrospective approach. The Company has substantially completed the evaluation of contracts and methods of revenue recognition under the previous accounting guidance and has not identified any material cumulative effect adjustments to be made to retained earnings. In addition, the Company will have expanded revenue disclosures, both quantitatively and qualitatively, related to the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers in the first quarter of 2018. The Company has reviewed substantially all of its revenue streams to evaluate the impact of this guidance and does not anticipate a significant change in the timing of revenue recognition, results of operations, financial position or cash flows. The Company reviewed its internal controls related to revenue recognition and disclosures and concluded that the guidance impacts certain business processes and controls. As such, the Company has developed modifications to its internal controls for certain topics under the guidance as they apply to the Company and such modifications were not deemed to be significant.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:9pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Recognition and Measurement of Financial Assets and Financial Liabilities&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;"&gt; &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In January&#160;2016, the FASB issued guidance regarding the classification and measurement of financial instruments. The guidance revises the way an entity classifies and measures investments in equity securities, the presentation of certain fair value changes for financial liabilities measured at fair value and amends certain disclosure requirements related to the fair value of financial instruments. This guidance was effective for the Company on January&#160;1, 2018. The guidance was to be applied using a modified retrospective approach with the exception of equity securities without readily determinable fair values which should be applied prospectively. The Company continues to evaluate the effects the adoption of the new guidance will have on its results of operations, financial position, cash flows and disclosures and does not anticipate a material impact.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Classification of Certain Cash Receipts and Cash Payments &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In August 2016, the FASB issued guidance to clarify the classification of certain cash receipts and payments in the statement of cash flows. The guidance is intended to standardize the presentation and classification of certain transactions, including cash payments for debt prepayment or extinguishment, proceeds from insurance claim settlements and distributions from equity method investments. In addition, the guidance clarifies how to classify transactions that have characteristics of more than one class of cash flows. The Company adopted the guidance on January&#160;1, 2018, on a prospective basis. The Company does not anticipate the guidance to have a material effect on its future results of operations, financial position, cash flows and disclosures.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Clarifying the Definition of a Business &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In January 2017, the FASB issued guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions or disposals of assets or businesses. The guidance provides a screen to determine when an integrated set of assets and activities is not a business. The guidance also affects other aspects of accounting, such as determining reporting units for goodwill testing and whether an entity has acquired or sold a business. The Company adopted the guidance on January&#160;1, 2018, on a prospective basis. The Company does not anticipate the guidance to have a material effect on its future results of operations, financial position, cash flows and disclosures.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In March 2017, the FASB issued guidance to improve the presentation of net periodic pension cost and net periodic postretirement benefit cost. The guidance requires the service cost component to be presented in the income statement in the same line item or items as other compensation costs arising from services performed during the period. Other components of net benefit costs shall be presented in the income statement separately from the service cost component and outside a subtotal of income from operations. The guidance also allows only the service cost component to be eligible for capitalization. The guidance was effective for the Company on January&#160;1, 2018, including interim periods, on a retrospective basis for all periods presented with the exception of the capitalization of the service cost component which was adopted on a prospective basis.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company will reclassify all components of net periodic benefit costs, except for the service cost component, from operating expenses to other income (expense) on the Consolidated Statements of Income for all years presented prior to January&#160;1, 2018, beginning in the first quarter of 2018, with no impact to earnings. The guidance will not have a material impact on the Company's disclosures or cash flows.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Under FERC regulation, all components of net periodic benefit costs are currently eligible for capitalization. The Company's electric and natural gas distribution businesses have elected to continue to defer all components of net periodic benefit costs as regulatory assets or liabilities. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Leases &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In February 2016, the FASB issued guidance regarding leases. The guidance requires lessees to recognize a lease liability and a right-of-use asset on the balance sheet for operating and financing leases with terms of more than 12&#160;months. The guidance remains largely the same for lessors, although some changes were made to better align lessor accounting with the new lessee accounting and to align with the revenue recognition standard. The guidance also requires additional disclosures, both quantitative and qualitative, related to operating and finance leases for the lessee and sales-type, direct financing and operating leases for the lessor. This guidance will be effective for the Company on January&#160;1, 2019, and should be applied using a retrospective approach with early adoption permitted. The Company continues to evaluate the potential impact the adoption of the new guidance will have on its results of operations, financial position, cash flows and disclosures. The Company is planning to adopt the standard on January&#160;1, 2019, utilizing the practical expedient that allows the Company to not reassess whether an expired or existing contract contains a lease, the classification of leases or initial direct costs. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In January 2018, the FASB issued a practical expedient for land easements under the new lease guidance. The practical expedient permits an entity to elect the option to not evaluate land easements under the new guidance if they existed or expired before the adoption of the new lease guidance and were not previously accounted for as leases under the previous lease guidance. Once an entity adopts the new guidance, the entity should apply the new guidance on a prospective basis to all new or modified land easements. The Company is currently evaluating the impact of the practical expedient. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On January&#160;5, 2018, the FASB issued a proposed accounting standard update to the guidance that would allow an entity the option to adopt the guidance on a modified retrospective basis. Under the modified retrospective approach, an entity would recognize a cumulative effect adjustment of initially applying the guidance to the opening balance of retained earnings in the period of adoption. The Company is monitoring the status of the proposal.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Simplifying the Test for Goodwill Impairment &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In January 2017, the FASB issued guidance on simplifying the test for goodwill impairment by eliminating Step&#160;2, which required an entity to measure the amount of impairment loss by comparing the implied fair value of reporting unit goodwill with the carrying amount of such goodwill. This guidance requires entities to perform a quantitative impairment test, previously Step&#160;1, to identify both the existence of impairment and the amount of impairment loss by comparing the fair value of a reporting unit to its carrying amount. Entities will continue to have the option of performing a qualitative assessment to determine if the quantitative impairment test is necessary. The guidance also requires additional disclosures if an entity has one or more reporting units with zero or negative carrying amounts of net assets. The guidance will be effective for the Company on January&#160;1, 2020, and should be applied on a prospective basis with early adoption permitted. The Company is evaluating the effects the adoption of the new guidance will have on its results of operations, financial position, cash flows and disclosures.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In February 2018, the FASB issued guidance that allows an entity to reclassify the stranded tax effects resulting from the newly enacted federal corporate income tax rate from accumulated other comprehensive income (loss) to retained earnings. The guidance is effective for the Company on January 1, 2019, including interim periods, with early adoption permitted. The guidance can be applied using one of two methods. One method is to record the reclassification of the stranded income taxes at the beginning of the period of adoption. The other method is to apply the guidance retrospectively to each period in which the income tax effects of the TCJA are recognized in accumulated other comprehensive income (loss). The Company is evaluating adoption of the guidance in the first quarter of 2018. At December 31, 2017, the Company had &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$7.7 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; of stranded tax effects in the accumulated other comprehensive loss balance.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Variable interest entities&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company evaluates its arrangements and contracts with other entities to determine if they are VIEs and if so, if the Company is the primary beneficiary. GAAP provides a framework for identifying VIEs and determining when a company should include the assets, liabilities, noncontrolling interest and results of activities of a VIE in its consolidated financial statements.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;A VIE should be consolidated if a party with an ownership, contractual or other financial interest in the VIE (a variable interest holder) has the power to direct the VIE's most significant activities and the obligation to absorb losses or right to receive benefits of the VIE that could be significant to the VIE. A variable interest holder that consolidates the VIE is called the primary beneficiary. Upon consolidation, the primary beneficiary generally must initially record all of the VIE's assets, liabilities and noncontrolling interests at fair value and subsequently account for the VIE as if it were consolidated.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-bottom:14px;padding-top:14px;text-align:justify;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's evaluation of whether it qualifies as the primary beneficiary of a VIE involves significant judgments, estimates and assumptions and includes a qualitative analysis of the activities that most significantly impact the VIE's economic performance and whether the Company has the power to direct those activities, the design of the entity, the rights of the parties and the purpose of the arrangement.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-top:0px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Comprehensive income (loss)&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Comprehensive income (loss) is the sum of net income (loss) as reported and other comprehensive income (loss). The Company's other comprehensive income (loss) resulted from gains (losses) on derivative instruments qualifying as hedges, postretirement liability adjustments, foreign currency translation adjustments and gains (losses) on available-for-sale investments. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The after-tax changes in the components of accumulated other comprehensive loss as of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:35%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Net&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unrealized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gain (Loss) on&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Derivative&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Instruments&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Qualifying&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;as Hedges&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Post-&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;retirement&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Liability&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Adjustment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Foreign&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Currency&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Translation&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Adjustment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Net&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unrealized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gain (Loss) on&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Available-&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;for-sale&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Investments&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Accumulated&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Comprehensive&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Balance at December&#160;31, 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2,667&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(34,257&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(200&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(24&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(37,148&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other comprehensive income (loss) before reclassifications&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,470&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;51&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(182&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,601&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amounts reclassified from accumulated other comprehensive loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;367&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,506&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;143&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,016&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net current-period other comprehensive income (loss)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;367&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,036&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;51&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(39&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,415&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Balance at December&#160;31, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2,300&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(33,221&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(149&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(63&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(35,733&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other comprehensive loss before reclassifications&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,812&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(139&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,957&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amounts reclassified from accumulated other comprehensive loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;366&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,013&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;120&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,499&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amounts reclassified to accumulated other comprehensive loss from a regulatory asset&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,143&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,143&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net current-period other comprehensive income (loss)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;366&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,942&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(19&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,601&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;Balance at December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(1,934&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(35,163&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(155&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(82&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(37,334&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Reclassifications out of accumulated other comprehensive loss for the years ended December&#160;31 were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:606px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="8"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:289px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:58px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:56px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:178px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Location on Consolidated&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Statements of Income&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Reclassification adjustment for loss on derivative&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;instruments included in net income (loss):&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Interest rate derivative instruments&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(590&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(593&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Interest expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;224&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;226&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income taxes&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(366&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(367&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amortization of postretirement liability losses included&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:12px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;in net periodic benefit cost (credit)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(1,658&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,931&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;645&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,425&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income taxes&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(1,013&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2,506&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Reclassification adjustment for loss on available-for-sale&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:12px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;investments included in net income (loss)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(185&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(220&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other income&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;65&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;77&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income taxes&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(120&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(143&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total reclassifications&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(1,499&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,016&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Included in net periodic benefit cost (credit). For more information, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;14&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:607px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:606px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:SignificantAccountingPoliciesTextBlock>
    <us-gaap:BasisOfAccountingPolicyPolicyTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-A97C1D6D27FE8E110732F94C9CED8352-0-wk-Fact-B842E0CE6F11EF5EE5F1F94C9CAFC1D8">The abbreviations and acronyms used throughout are defined following the Notes to Consolidated Financial Statements. The consolidated financial statements of the Company include the accounts of the following businesses: electric, natural gas distribution, pipeline and midstream, construction materials and contracting, construction services and other. The electric and natural gas distribution businesses, as well as a portion of the pipeline and midstream business, are regulated. Construction materials and contracting, construction services and the other businesses, as well as a portion of the pipeline and midstream business, are nonregulated. For further descriptions of the Company's businesses, see Note&#160;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;13&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. Intercompany balances and transactions have been eliminated in consolidation, except for certain transactions related to the Company's regulated operations in accordance with GAAP. The statements also include the ownership interests in the assets, liabilities and expenses of jointly owned electric generating facilities.&lt;/span&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's regulated businesses are subject to various state and federal agency regulations. The accounting policies followed by these businesses are generally subject to the Uniform System of Accounts of the FERC. These accounting policies differ in some respects from those used by the Company's nonregulated businesses.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's regulated businesses account for certain income and expense items under the provisions of regulatory accounting, which requires these businesses to defer as regulatory assets or liabilities certain items that would have otherwise been reflected as expense or income, respectively, based on the expected regulatory treatment in future rates. The expected recovery or flowback of these deferred items generally is based on specific ratemaking decisions or precedent for each item. Regulatory assets and liabilities are being amortized consistently with the regulatory treatment established by the FERC and the applicable state public service commissions. See Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;4&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; for more information regarding the nature and amounts of these regulatory deferrals.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Depreciation, depletion and amortization expense is reported separately on the Consolidated Statements of Income and therefore is excluded from the other line items within operating expenses.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Management has also evaluated the impact of events occurring after &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, up to the date of issuance of these consolidated financial statements.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On December 22, 2017, President Trump signed into law the TCJA which includes lower corporate tax rates, repealing the domestic production deduction, disallowance of immediate expensing for regulated utility property and modifying or repealing many other business deductions and credits. In accordance with the accounting guidance on accounting for income taxes, entities must account for the effects of the change in tax laws or rates in the period of enactment. In the fourth quarter of 2017, the period of enactment, the Company performed a one-time revaluation of the net deferred tax liabilities to account for the reduction in the corporate tax rate from 35&#160;percent to 21&#160;percent effective January&#160;1, 2018. For more information on the impacts of the TCJA on the year ended December&#160;31, 2017, see Notes &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;4&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;11&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. The Company is currently reviewing the components of the TCJA and evaluating the impact on the Company's consolidated financial statements and related disclosures for 2018 and thereafter.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;As part of the Company's strategic plan to grow its capital investments while focusing on creating a greater long-term value and reducing the Company's risk by decreasing exposure to commodity prices, the Company completed the sales of substantially all of Fidelity's oil and and natural gas assets between October 2015 and April 2016 and Dakota Prairie Refining on June 27, 2016. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The assets and liabilities for the Company's discontinued operations have been classified as held for sale and the results of operations are shown in loss from discontinued operations, other than certain general and administrative costs and interest expense which do not meet the criteria for income (loss) from discontinued operations. At the time the assets were classified as held for sale, depreciation, depletion and amortization expense was no longer recorded. Unless otherwise indicated, the amounts presented in the accompanying notes to the consolidated financial statements relate to the Company's continuing operations. For more information on the Company's discontinued operations, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;</us-gaap:BasisOfAccountingPolicyPolicyTextBlock>
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    <us-gaap:InventoryPolicyTextBlock
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      id="TextSelection-75FF16E1C5824A653783F94C9CED9BB3-0-wk-Fact-765A0ECBFEB28738E46EF94C9CCE9B2B">Natural gas in storage for the Company's regulated operations is generally carried at lower of cost or net realizable value, or cost using the last-in, first-out method. All other inventories are stated at the lower of cost or net realizable value.</us-gaap:InventoryPolicyTextBlock>
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      id="TextSelection-86F15871E55A6583DB74F94C9CED6B75-0-wk-Fact-3D972B19C4CDE098B022F94C9CAF11F5">Inventories at December&#160;31 consisted of:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:66%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Aggregates held for resale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;115,268&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;115,471&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Asphalt oil&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;30,360&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;29,103&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas in storage (current)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;20,950&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;25,761&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Materials and supplies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;18,650&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;18,372&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Merchandise for resale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;14,905&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;16,437&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;26,450&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;33,129&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;226,583&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;238,273&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfInventoryCurrentTableTextBlock>
    <mdu:AggregatesHeldForResaleInventory
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      id="d8077395e1435-wk-Fact-A1DA42A6D0906DCC62AEF94C9CAF7A20"
      unitRef="usd">115268000</mdu:AggregatesHeldForResaleInventory>
    <mdu:AggregatesHeldForResaleInventory
      contextRef="FI2016Q4"
      decimals="-3"
      id="d8077395e1449-wk-Fact-5872D1C761C02C79E112F94C9CAF12EE"
      unitRef="usd">115471000</mdu:AggregatesHeldForResaleInventory>
    <mdu:AsphaltOilInventory
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8077395e1464-wk-Fact-13F6789E260A014D1899F94C9CAF50B2"
      unitRef="usd">30360000</mdu:AsphaltOilInventory>
    <mdu:AsphaltOilInventory
      contextRef="FI2016Q4"
      decimals="-3"
      id="d8077395e1478-wk-Fact-C6AAD5D9FB6FA91F723CF94C9CAFA8A2"
      unitRef="usd">29103000</mdu:AsphaltOilInventory>
    <us-gaap:EnergyRelatedInventoryNaturalGasInStorage
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8077395e1498-wk-Fact-9663BBBDC1885AA9A436F94C9CAF5E56"
      unitRef="usd">20950000</us-gaap:EnergyRelatedInventoryNaturalGasInStorage>
    <us-gaap:EnergyRelatedInventoryNaturalGasInStorage
      contextRef="FI2016Q4"
      decimals="-3"
      id="d8077395e1512-wk-Fact-F1EF1D835F79690B8523F94C9CAF9954"
      unitRef="usd">25761000</us-gaap:EnergyRelatedInventoryNaturalGasInStorage>
    <us-gaap:InventoryRawMaterialsAndSupplies
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8077395e1532-wk-Fact-89A6921F4C61C9A9F98DF94C9CAF23B5"
      unitRef="usd">18650000</us-gaap:InventoryRawMaterialsAndSupplies>
    <us-gaap:InventoryRawMaterialsAndSupplies
      contextRef="FI2016Q4"
      decimals="-3"
      id="d8077395e1546-wk-Fact-15FB286A7FBE1D5E6223F94C9CAFDACB"
      unitRef="usd">18372000</us-gaap:InventoryRawMaterialsAndSupplies>
    <us-gaap:InventoryFinishedGoods
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8077395e1566-wk-Fact-578A131E290832469E2EF94C9CAFF577"
      unitRef="usd">14905000</us-gaap:InventoryFinishedGoods>
    <us-gaap:InventoryFinishedGoods
      contextRef="FI2016Q4"
      decimals="-3"
      id="d8077395e1580-wk-Fact-C8FD9335A40FA9F957EEF94C9CAF8C7A"
      unitRef="usd">16437000</us-gaap:InventoryFinishedGoods>
    <us-gaap:OtherInventoryNetOfReserves
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8077395e1600-wk-Fact-22BBF13A36D3CE797416F94C9CAF8D3F"
      unitRef="usd">26450000</us-gaap:OtherInventoryNetOfReserves>
    <us-gaap:OtherInventoryNetOfReserves
      contextRef="FI2016Q4"
      decimals="-3"
      id="d8077395e1614-wk-Fact-EC9272F6AF15364615DCF94C9CAF584C"
      unitRef="usd">33129000</us-gaap:OtherInventoryNetOfReserves>
    <us-gaap:InventoryNet
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8077395e1639-wk-Fact-1F4183CEA6F02F3FA4ECF94C9C9F2303"
      unitRef="usd">226583000</us-gaap:InventoryNet>
    <us-gaap:InventoryNet
      contextRef="FI2016Q4"
      decimals="-3"
      id="d8077395e1653-wk-Fact-F9B8A57A8B3FE880BEF9F94C9CCED355"
      unitRef="usd">238273000</us-gaap:InventoryNet>
    <us-gaap:InventoryGasInStorageUndergroundNoncurrent
      contextRef="FI2017Q4"
      decimals="-5"
      id="d8077395e1670-wk-Fact-1C57A1178F05D5E1CFECF94C9CAF5F6F"
      unitRef="usd">49300000</us-gaap:InventoryGasInStorageUndergroundNoncurrent>
    <us-gaap:InventoryGasInStorageUndergroundNoncurrent
      contextRef="FI2016Q4"
      decimals="-5"
      id="d8077395e1674-wk-Fact-5D7DDBAD611E14A7E513F94C9CCE7A87"
      unitRef="usd">49500000</us-gaap:InventoryGasInStorageUndergroundNoncurrent>
    <us-gaap:InvestmentPolicyTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-44559EDE09CCD40A0FFBF94C9CEDD36B-0-wk-Fact-EA97C0E6B1DD6C23FBEFF94C9CCE7E87">The Company's investments include the cash surrender value of life insurance policies, an insurance contract, mortgage-backed securities and U.S. Treasury securities. The Company measures its investment in the insurance contract at fair value with any unrealized gains and losses recorded on the Consolidated Statements of Income. The Company has not elected the fair value option for its mortgage-backed securities and U.S. Treasury securities and, as a result, the unrealized gains and losses on these investments are recorded in accumulated other comprehensive income (loss).</us-gaap:InvestmentPolicyTextBlock>
    <us-gaap:PropertyPlantAndEquipmentPolicyTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-B72D8024899EEAC4D25BF94C9CED1C12-0-wk-Fact-F65BAF3EA7AB33A5E27DF94C9CAF6138">Additions to property, plant and equipment are recorded at cost. When regulated assets are retired, or otherwise disposed of in the ordinary course of business, the original cost of the asset is charged to accumulated depreciation. With respect to the retirement or disposal of all other assets, the resulting gains or losses are recognized as a component of income. The Company is permitted to capitalize AFUDC on regulated construction projects and to include such amounts in rate base when the related facilities are placed in service. In addition, the Company capitalizes interest, when applicable, on certain construction projects associated with its other operations.</us-gaap:PropertyPlantAndEquipmentPolicyTextBlock>
    <mdu:AfudcAndInterestCapitailizedTableTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-06275677FBF70D22A73AF94C9CEDA5C4-0-wk-Fact-AC85213B59E277FF47BDF94C9CAFD617">The amount of AFUDC and interest capitalized for the years ended December&#160;31 were as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:49%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Interest capitalized&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,381&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;AFUDC - borrowed&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;966&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;914&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,907&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;AFUDC - equity&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;909&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;565&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,971&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</mdu:AfudcAndInterestCapitailizedTableTextBlock>
    <us-gaap:InterestCostsCapitalized
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    <us-gaap:InterestCostsCapitalized
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      id="d8077395e1888-wk-Fact-702BC15BFC7242DAF0DEF94C9CAF3CCD"
      unitRef="usd">0</us-gaap:InterestCostsCapitalized>
    <us-gaap:InterestCostsCapitalized
      contextRef="FD2015Q4YTD"
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      id="d8077395e1902-wk-Fact-926B9D5906880E1E5B37F94C9CAFD6C8"
      unitRef="usd">4381000</us-gaap:InterestCostsCapitalized>
    <us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
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      decimals="-3"
      id="d8077395e1922-wk-Fact-DC4E6C006F42454DAFDFF94C9CAF33E6"
      unitRef="usd">966000</us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest>
    <us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
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      decimals="-3"
      id="d8077395e1936-wk-Fact-B973860DA47F1420A8E2F94C9CAF8421"
      unitRef="usd">914000</us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest>
    <us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest
      contextRef="FD2015Q4YTD"
      decimals="-3"
      id="d8077395e1950-wk-Fact-1EE956C70DF36706D631F94C9CAF124C"
      unitRef="usd">4907000</us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest>
    <us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
      contextRef="FD2017Q4YTD"
      decimals="-3"
      id="d8077395e1970-wk-Fact-39A05C59C913C37A4C75F94C9CAF84C0"
      unitRef="usd">909000</us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity>
    <us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
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      decimals="-3"
      id="d8077395e1984-wk-Fact-7ABDDBAD8B6DB1A0BA27F94C9CAFB51A"
      unitRef="usd">565000</us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity>
    <us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity
      contextRef="FD2015Q4YTD"
      decimals="-3"
      id="d8077395e1998-wk-Fact-E36D3775B9009959E339F94C9CAF673A"
      unitRef="usd">7971000</us-gaap:PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity>
    <us-gaap:PropertyPlantAndEquipmentTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-EEC6A44E352A09082074F94C9CED3BB8-0-wk-Fact-FF4F5198412286DC64D5F94C9CAFF499">Property, plant and equipment at December&#160;31 was as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="9"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:61%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Weighted&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Average&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Depreciable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Life in Years&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="8" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(Dollars in thousands, where applicable)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Regulated:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Generation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,034,765&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,036,373&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;39&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;415,543&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;398,382&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;44&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Transmission&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;296,941&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;284,048&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;57&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction in progress&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;117,906&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;62,212&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;117,109&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;107,598&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,831,795&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,718,633&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;47&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction in progress&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;19,823&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;19,934&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;468,227&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;440,846&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;18&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Transmission&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;516,932&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;490,143&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;53&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Gathering&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;37,837&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;37,831&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;20&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Storage&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;45,629&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;45,350&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;62&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction in progress&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;17,488&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;16,507&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;41,054&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;40,873&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;33&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Nonregulated:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Gathering and processing&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;31,678&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;31,682&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;19&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction in progress&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;17&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;9,649&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,800&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Land&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;95,745&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;94,625&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Buildings and improvements&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;102,435&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;102,347&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;20&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Machinery, vehicles and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;947,979&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;930,471&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;12&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction in progress&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7,750&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;16,181&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Aggregate reserves&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;406,139&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;405,751&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Land&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5,216&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,346&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Buildings and improvements&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;27,351&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;26,693&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;25&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Machinery, vehicles and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;137,924&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;132,217&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6,774&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,105&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Land&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,837&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,837&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2014;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;28,286&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;46,431&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;19&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated depreciation, depletion and amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,691,641&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,578,902&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net property, plant and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,079,188&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,931,327&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Depleted on the units-of-production method based on recoverable aggregate reserves.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;</us-gaap:PropertyPlantAndEquipmentTextBlock>
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    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_MachineryAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember"
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      contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_MachineryAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember"
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      contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ConstructionInProgressMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember"
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      contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_ConstructionInProgressMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember"
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      id="d8077395e3330-wk-Fact-7EBF4C81D7D5845932C6F94C9CAFAF7B"
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      unitRef="usd">5216000</us-gaap:PropertyPlantAndEquipmentGross>
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      contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_LandMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember"
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      contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_BuildingAndBuildingImprovementsMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember"
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      contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_BuildingAndBuildingImprovementsMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember"
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      id="d8077395e3476-wk-Fact-19626BA270255447EB90F94C9CBF7ECB"
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      contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_MachineryAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember"
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      id="d8077395e3520-wk-Fact-58A8E48AA2BBB1F2BBFDF94C9CBFDD8C"
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      contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember"
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      contextRef="FI2017Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_LandMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember"
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      contextRef="FI2016Q4_us-gaap_PropertyPlantAndEquipmentByTypeAxis_us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis_us-gaap_UnregulatedOperationMember_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember"
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      id="TextSelection-CDA435D973AD6FAA1E8CF94C9CEDA206-0-wk-Fact-529F46FD8064B61B204BF94C9CAF8254">The Company recognizes construction contract revenue from fixed-price and modified fixed-price construction contracts at its construction businesses using the&#160;percentage-of-completion method, measured by the&#160;percentage of costs incurred to date to estimated total costs for each contract. If a loss is anticipated on a contract, the loss is immediately recognized. Costs and estimated earnings in excess of billings on uncompleted contracts represent revenues recognized in excess of amounts billed and were included in receivables, net. Billings in excess of costs and estimated earnings on uncompleted contracts represent billings in excess of revenues recognized and were included in accounts payable.</us-gaap:RevenueRecognitionPercentageOfCompletionMethod>
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      id="TextSelection-9582E88FFB8FBC60FE1AF94C9CED71BD-0-wk-Fact-E983C78F3563630F36E4F94C9CAFB26C">Costs and estimated earnings in excess of billings and billings in excess of costs and estimated earnings on uncompleted contracts at December&#160;31 were as follows:&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:74%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Costs and estimated earnings in excess of billings on uncompleted contracts&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;109,541&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;64,558&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Billings in excess of costs and estimated earnings on uncompleted contracts&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;84,123&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;64,832&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Amounts representing balances billed but not paid by customers under retainage provisions in contracts at December&#160;31 were as follows: &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:74%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Short-term retainage*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;57,134&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;45,109&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Long-term retainage**&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,410&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,506&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total retainage&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;58,544&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;46,615&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:6px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Expected to be paid within one year or less and included in receivables, net.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;**&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Included in deferred charges and other assets - other.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;</us-gaap:CostsInExcessOfBillingsAndBillingsInExcessOfCostsTableTextBlock>
    <us-gaap:CostsInExcessOfBillingsOnUncompletedContractsOrPrograms
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8077395e4169-wk-Fact-B312044B654D5050F991F94C9CAF1CEF"
      unitRef="usd">109541000</us-gaap:CostsInExcessOfBillingsOnUncompletedContractsOrPrograms>
    <us-gaap:CostsInExcessOfBillingsOnUncompletedContractsOrPrograms
      contextRef="FI2016Q4"
      decimals="-3"
      id="d8077395e4183-wk-Fact-32DB3B5C1BC25DA96CC6F94C9CAFC74E"
      unitRef="usd">64558000</us-gaap:CostsInExcessOfBillingsOnUncompletedContractsOrPrograms>
    <us-gaap:BillingsInExcessOfCost
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8077395e4203-wk-Fact-1F10AF0F33CE17E39EBAF94C9CAFFE8E"
      unitRef="usd">84123000</us-gaap:BillingsInExcessOfCost>
    <us-gaap:BillingsInExcessOfCost
      contextRef="FI2016Q4"
      decimals="-3"
      id="d8077395e4217-wk-Fact-9893F45856986A56E726F94C9CAF9DA8"
      unitRef="usd">64832000</us-gaap:BillingsInExcessOfCost>
    <us-gaap:ContractReceivableRetainageDueOneYearOrLess
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8077395e4326-wk-Fact-0EB7F507B617906D4981F94C9CAF210E"
      unitRef="usd">57134000</us-gaap:ContractReceivableRetainageDueOneYearOrLess>
    <us-gaap:ContractReceivableRetainageDueOneYearOrLess
      contextRef="FI2016Q4"
      decimals="-3"
      id="d8077395e4340-wk-Fact-D2D2062F454043B817D9F94C9CAFFA0E"
      unitRef="usd">45109000</us-gaap:ContractReceivableRetainageDueOneYearOrLess>
    <us-gaap:ContractReceivableRetainageDueAfterOneYear
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8077395e4355-wk-Fact-5CC2BBD419E48CB5761AF94C9CAFF981"
      unitRef="usd">1410000</us-gaap:ContractReceivableRetainageDueAfterOneYear>
    <us-gaap:ContractReceivableRetainageDueAfterOneYear
      contextRef="FI2016Q4"
      decimals="-3"
      id="d8077395e4369-wk-Fact-BD62B45F76FB5191A69BF94C9CAF4069"
      unitRef="usd">1506000</us-gaap:ContractReceivableRetainageDueAfterOneYear>
    <us-gaap:ContractReceivableRetainage
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8077395e4394-wk-Fact-9C8F656E376A4F035D79F94C9CAF0541"
      unitRef="usd">58544000</us-gaap:ContractReceivableRetainage>
    <us-gaap:ContractReceivableRetainage
      contextRef="FI2016Q4"
      decimals="-3"
      id="d8077395e4408-wk-Fact-DF1B7E718DFAE5CD4827F94C9CAFB132"
      unitRef="usd">46615000</us-gaap:ContractReceivableRetainage>
    <us-gaap:AssetRetirementObligationsPolicy
      contextRef="FD2017Q4YTD"
      id="TextSelection-AC625FBA3D33FD5E96F7F94C9CED35A1-0-wk-Fact-0458E65A3FF1541241E4F94C9CAF543A">The Company records the fair value of a liability for an asset retirement obligation in the period in which it is incurred. When the liability is initially recorded, the Company capitalizes a cost by increasing the carrying amount of the related long-lived asset. Over time, the liability is accreted to its present value each period, and the capitalized cost is depreciated over the useful life of the related asset. Upon settlement of the liability, the Company either settles the obligation for the recorded amount or incurs a gain or loss at its nonregulated operations or incurs a regulatory asset or liability at its regulated operations.</us-gaap:AssetRetirementObligationsPolicy>
    <us-gaap:LegalCostsPolicyTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-BAB169BBB0C2380DC327F94C9CED92D3-0-wk-Fact-D7C43C99CB18112823ABF94C9CCEA4DF">The Company expenses external legal fees as they are incurred.</us-gaap:LegalCostsPolicyTextBlock>
    <mdu:NaturalGasCostsRecoverableOrRefundableThroughRateAdjustmentsPolicyTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-6E1DFF0F3286E069053EF94C9CED3893-0-wk-Fact-1CF5E7D21ADB71099630F94C9CAFB597">Under the terms of certain orders of the applicable state public service commissions, the Company is deferring natural gas commodity, transportation and storage costs that are greater or less than amounts presently being recovered through its existing rate schedules. Such orders generally provide that these amounts are recoverable or refundable through rate adjustments which are filed annually.</mdu:NaturalGasCostsRecoverableOrRefundableThroughRateAdjustmentsPolicyTextBlock>
    <us-gaap:RefundableGasCosts
      contextRef="FI2017Q4"
      decimals="-5"
      id="d8077395e4544-wk-Fact-6FA352A44403BADE5645F94C9CAF75F4"
      unitRef="usd">28500000</us-gaap:RefundableGasCosts>
    <us-gaap:RefundableGasCosts
      contextRef="FI2016Q4"
      decimals="-5"
      id="d8077395e4548-wk-Fact-E409880031B956A70290F94C9CAFAC76"
      unitRef="usd">25600000</us-gaap:RefundableGasCosts>
    <us-gaap:DeferredGasCost
      contextRef="FI2017Q4"
      decimals="-5"
      id="d8077395e4560-wk-Fact-07D55D553D0251775972F94C9CCEDD1C"
      unitRef="usd">14500000</us-gaap:DeferredGasCost>
    <us-gaap:DeferredGasCost
      contextRef="FI2016Q4"
      decimals="-5"
      id="d8077395e4565-wk-Fact-64B9A5B9212750B9C91EF94C9CCE939C"
      unitRef="usd">2200000</us-gaap:DeferredGasCost>
    <us-gaap:ShareBasedCompensationOptionAndIncentivePlansPolicy
      contextRef="FD2017Q4YTD"
      id="TextSelection-5468B08659D632104FB94E5FA52C9FAF-0-wk-Fact-92BC48489D6034210C894E61390EBDE9">The Company records the compensation expense for performance share awards using an estimated forfeiture rate. The estimated forfeiture rate is calculated based on an average of actual historical forfeitures. The Company also preforms an analysis of any known factors at the time of the calculation to identify any necessary adjustments to the average historical forfeiture rate. At the time actual forfeitures become more than estimated forfeitures, the Company records compensation expense using actual forfeitures.</us-gaap:ShareBasedCompensationOptionAndIncentivePlansPolicy>
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      id="TextSelection-CDB8F03D6E555DF974BEF94C9CED4BD4-0-wk-Fact-DBFACA949AE993995221F94C9CCE50FB">The Company provides deferred federal and state income taxes on all temporary differences between the book and tax basis of the Company's assets and liabilities by using enacted tax rates in effect for the year in which the differences are expected to reverse. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income in the period that includes the enactment date. Excess deferred income tax balances associated with the Company's rate-regulated activities have been recorded as a regulatory liability and are included in other liabilities. These regulatory liabilities are expected to be reflected as a reduction in future rates charged to customers in accordance with applicable regulatory procedures.The Company uses the deferral method of accounting for investment tax credits and amortizes the credits on regulated electric and natural gas distribution plant over various periods that conform to the ratemaking treatment prescribed by the applicable state public service commissions.</us-gaap:IncomeTaxPolicyTextBlock>
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      id="TextSelection-7DE94BA6569E8AB391759180E3A2E287-0-wk-Fact-211CAF9230114AE14BD591811AE8F88C">The Company records uncertain tax positions in accordance with accounting guidance on accounting for income taxes on the basis of a two-step process in which (1) the Company determines whether it is more-likely-than-not that the tax position will be sustained on the basis of the technical merits of the position and (2) for those tax positions that meet the more-likely than-not recognition threshold, the Company recognizes the largest amount of the tax benefit that is more than &lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;50 percent&lt;/span&gt;&lt;/span&gt; likely to be realized upon ultimate settlement with the related tax authority. Tax positions that do not meet the more-likely-than-not criteria are reflected as a tax liability. The Company recognizes interest and penalties accrued related to unrecognized tax benefits in income taxes.</us-gaap:IncomeTaxUncertaintiesPolicy>
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      decimals="2"
      id="d8077395e4619-wk-Fact-46B12F004625C3F6323271DB55D22D63"
      unitRef="number">0.50</mdu:ThresholdOfLikelihoodOfTaxPositionsBeingRealizedUponUltimateSettlementWithTaxingAuthority>
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      id="TextSelection-0CB64385C316C039A4FBF94C9CED5607-0-wk-Fact-D32EEC4E9DF89B8B84EDF94C9CAF8130">Basic earnings (loss) per common share were computed by dividing earnings (loss) on common stock by the weighted average number of shares of common stock outstanding during the year. Diluted earnings (loss) per common share were computed by dividing earnings (loss) on common stock by the total of the weighted average number of shares of common stock outstanding during the year, plus the effect of nonvested performance share awards.</us-gaap:EarningsPerSharePolicyTextBlock>
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      id="TextSelection-83F059024F1837B2431DF94C9CEDA8F9-0-wk-Fact-B29FBDAFE4BDD0129A1DF94C9CCEE0DF">A reconciliation of the weighted average common shares outstanding used in the basic and diluted earnings (loss) per share calculation was as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:61%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Weighted average common shares outstanding - basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,299&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;194,928&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Effect of dilutive performance share awards&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;383&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;319&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;58&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Weighted average common shares outstanding - diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,687&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,618&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;194,986&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Shares excluded from the calculation of diluted earnings per share&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfWeightedAverageNumberOfSharesTableTextBlock>
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    <us-gaap:UseOfEstimates
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      id="TextSelection-D0B95675C3BA4BB00DFFF94C9CED563D-0-wk-Fact-11C7A866494AD506D6B3F94C9CAFC934">The preparation of financial statements in conformity with GAAP requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Estimates are used for items such as long-lived assets and goodwill; fair values of acquired assets and liabilities under the acquisition method of accounting; aggregate reserves; property depreciable lives; tax provisions; uncollectible accounts; environmental and other loss contingencies; accumulated provision for revenues subject to refund; costs on construction contracts; unbilled revenues; actuarially determined benefit costs; asset retirement obligations; and the valuation of stock-based compensation. As additional information becomes available, or actual amounts are determinable, the recorded estimates are revised. Consequently, operating results can be affected by revisions to prior accounting estimates.</us-gaap:UseOfEstimates>
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      id="TextSelection-C7AC82763C266F509F07F94C9CED2BB2-0-wk-Fact-7BF07A5E3B7F5CEA0B10F94C9CAF5E9E">Simplifying the Measurement of Inventory&lt;span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;"&gt; &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In July 2015, the FASB issued guidance regarding inventory that is measured using the first-in, first-out or average cost method. The guidance does not apply to inventory measured using the last-in, first-out or the retail inventory method. The guidance requires inventory within its scope to be measured at the lower of cost or net realizable value, which is the estimated selling price in the normal course of business less reasonably predictable costs of completion, disposal and transportation. These amendments more closely align GAAP with IFRS. The Company adopted the guidance on January&#160;1, 2017, on a prospective basis. The guidance did not have a material effect on the Company's results of operations, financial position, cash flows or disclosures.&lt;/span&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Improvements to Employee Share-Based Payment Accounting&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; In March 2016, the FASB issued guidance regarding simplification of several aspects of the accounting for share-based payment transactions. The guidance affects the income tax consequences, classification of awards as either equity or liabilities, classification on the statement of cash flows and calculation of dilutive shares. The Company adopted the guidance on January 1, 2017. All amendments in the guidance that apply to the Company were adopted on a prospective basis resulting in no adjustments being made to retained earnings. The adoption of the guidance impacted the Consolidated Statement of Income and the Consolidated Balance Sheet in the first quarter of 2017 due to the taxes related to the stock-based compensation award that vested in February 2017 being recognized as income tax expense as compared to a reduction to additional paid-in capital under the previous guidance. Adoption of the guidance also increased the number of shares included in the diluted earnings per share calculation due to the exclusion of tax benefits in the incremental shares calculation. The change in the weighted average common shares outstanding - diluted did not result in a material effect on the earnings per common share - diluted.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:9.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:9.5pt;color:#000000;font-weight:bold;"&gt;Recently issued accounting standards not yet adopted&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Revenue from Contracts with Customers&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; In May 2014, the FASB issued guidance on accounting for revenue from contracts with customers. The guidance provides for a single comprehensive model for entities to use in accounting for revenue arising from contracts with customers and supersedes most current revenue recognition guidance, including industry specific guidance. In August 2015, the FASB issued guidance deferring the effective date of the revenue guidance and allowing entities to early adopt. With this decision, the guidance was effective for the Company on January&#160;1, 2018. Entities had the option of using either a full retrospective or modified retrospective approach to adopting the guidance. Under the modified retrospective approach, an entity recognizes the cumulative effect of initially applying the guidance with an adjustment to the opening balance of retained earnings in the period of adoption. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-bottom:10px;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company adopted the guidance on January&#160;1, 2018, using the modified retrospective approach. The Company has substantially completed the evaluation of contracts and methods of revenue recognition under the previous accounting guidance and has not identified any material cumulative effect adjustments to be made to retained earnings. In addition, the Company will have expanded revenue disclosures, both quantitatively and qualitatively, related to the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers in the first quarter of 2018. The Company has reviewed substantially all of its revenue streams to evaluate the impact of this guidance and does not anticipate a significant change in the timing of revenue recognition, results of operations, financial position or cash flows. The Company reviewed its internal controls related to revenue recognition and disclosures and concluded that the guidance impacts certain business processes and controls. As such, the Company has developed modifications to its internal controls for certain topics under the guidance as they apply to the Company and such modifications were not deemed to be significant.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:9pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Recognition and Measurement of Financial Assets and Financial Liabilities&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;"&gt; &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In January&#160;2016, the FASB issued guidance regarding the classification and measurement of financial instruments. The guidance revises the way an entity classifies and measures investments in equity securities, the presentation of certain fair value changes for financial liabilities measured at fair value and amends certain disclosure requirements related to the fair value of financial instruments. This guidance was effective for the Company on January&#160;1, 2018. The guidance was to be applied using a modified retrospective approach with the exception of equity securities without readily determinable fair values which should be applied prospectively. The Company continues to evaluate the effects the adoption of the new guidance will have on its results of operations, financial position, cash flows and disclosures and does not anticipate a material impact.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Classification of Certain Cash Receipts and Cash Payments &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In August 2016, the FASB issued guidance to clarify the classification of certain cash receipts and payments in the statement of cash flows. The guidance is intended to standardize the presentation and classification of certain transactions, including cash payments for debt prepayment or extinguishment, proceeds from insurance claim settlements and distributions from equity method investments. In addition, the guidance clarifies how to classify transactions that have characteristics of more than one class of cash flows. The Company adopted the guidance on January&#160;1, 2018, on a prospective basis. The Company does not anticipate the guidance to have a material effect on its future results of operations, financial position, cash flows and disclosures.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Clarifying the Definition of a Business &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In January 2017, the FASB issued guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions or disposals of assets or businesses. The guidance provides a screen to determine when an integrated set of assets and activities is not a business. The guidance also affects other aspects of accounting, such as determining reporting units for goodwill testing and whether an entity has acquired or sold a business. The Company adopted the guidance on January&#160;1, 2018, on a prospective basis. The Company does not anticipate the guidance to have a material effect on its future results of operations, financial position, cash flows and disclosures.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In March 2017, the FASB issued guidance to improve the presentation of net periodic pension cost and net periodic postretirement benefit cost. The guidance requires the service cost component to be presented in the income statement in the same line item or items as other compensation costs arising from services performed during the period. Other components of net benefit costs shall be presented in the income statement separately from the service cost component and outside a subtotal of income from operations. The guidance also allows only the service cost component to be eligible for capitalization. The guidance was effective for the Company on January&#160;1, 2018, including interim periods, on a retrospective basis for all periods presented with the exception of the capitalization of the service cost component which was adopted on a prospective basis.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company will reclassify all components of net periodic benefit costs, except for the service cost component, from operating expenses to other income (expense) on the Consolidated Statements of Income for all years presented prior to January&#160;1, 2018, beginning in the first quarter of 2018, with no impact to earnings. The guidance will not have a material impact on the Company's disclosures or cash flows.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Under FERC regulation, all components of net periodic benefit costs are currently eligible for capitalization. The Company's electric and natural gas distribution businesses have elected to continue to defer all components of net periodic benefit costs as regulatory assets or liabilities. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Leases &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In February 2016, the FASB issued guidance regarding leases. The guidance requires lessees to recognize a lease liability and a right-of-use asset on the balance sheet for operating and financing leases with terms of more than 12&#160;months. The guidance remains largely the same for lessors, although some changes were made to better align lessor accounting with the new lessee accounting and to align with the revenue recognition standard. The guidance also requires additional disclosures, both quantitative and qualitative, related to operating and finance leases for the lessee and sales-type, direct financing and operating leases for the lessor. This guidance will be effective for the Company on January&#160;1, 2019, and should be applied using a retrospective approach with early adoption permitted. The Company continues to evaluate the potential impact the adoption of the new guidance will have on its results of operations, financial position, cash flows and disclosures. The Company is planning to adopt the standard on January&#160;1, 2019, utilizing the practical expedient that allows the Company to not reassess whether an expired or existing contract contains a lease, the classification of leases or initial direct costs. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In January 2018, the FASB issued a practical expedient for land easements under the new lease guidance. The practical expedient permits an entity to elect the option to not evaluate land easements under the new guidance if they existed or expired before the adoption of the new lease guidance and were not previously accounted for as leases under the previous lease guidance. Once an entity adopts the new guidance, the entity should apply the new guidance on a prospective basis to all new or modified land easements. The Company is currently evaluating the impact of the practical expedient. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On January&#160;5, 2018, the FASB issued a proposed accounting standard update to the guidance that would allow an entity the option to adopt the guidance on a modified retrospective basis. Under the modified retrospective approach, an entity would recognize a cumulative effect adjustment of initially applying the guidance to the opening balance of retained earnings in the period of adoption. The Company is monitoring the status of the proposal.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Simplifying the Test for Goodwill Impairment &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In January 2017, the FASB issued guidance on simplifying the test for goodwill impairment by eliminating Step&#160;2, which required an entity to measure the amount of impairment loss by comparing the implied fair value of reporting unit goodwill with the carrying amount of such goodwill. This guidance requires entities to perform a quantitative impairment test, previously Step&#160;1, to identify both the existence of impairment and the amount of impairment loss by comparing the fair value of a reporting unit to its carrying amount. Entities will continue to have the option of performing a qualitative assessment to determine if the quantitative impairment test is necessary. The guidance also requires additional disclosures if an entity has one or more reporting units with zero or negative carrying amounts of net assets. The guidance will be effective for the Company on January&#160;1, 2020, and should be applied on a prospective basis with early adoption permitted. The Company is evaluating the effects the adoption of the new guidance will have on its results of operations, financial position, cash flows and disclosures.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In February 2018, the FASB issued guidance that allows an entity to reclassify the stranded tax effects resulting from the newly enacted federal corporate income tax rate from accumulated other comprehensive income (loss) to retained earnings. The guidance is effective for the Company on January 1, 2019, including interim periods, with early adoption permitted. The guidance can be applied using one of two methods. One method is to record the reclassification of the stranded income taxes at the beginning of the period of adoption. The other method is to apply the guidance retrospectively to each period in which the income tax effects of the TCJA are recognized in accumulated other comprehensive income (loss). The Company is evaluating adoption of the guidance in the first quarter of 2018. At December 31, 2017, the Company had &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$7.7 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; of stranded tax effects in the accumulated other comprehensive loss balance.&lt;/span&gt;&lt;/div&gt;</us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock>
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      id="TextSelection-4751DCF0156AF1BE54E6F94C9CED04A9-0-wk-Fact-407E734A6587BA69B508F94C9CAF019F">The Company evaluates its arrangements and contracts with other entities to determine if they are VIEs and if so, if the Company is the primary beneficiary. GAAP provides a framework for identifying VIEs and determining when a company should include the assets, liabilities, noncontrolling interest and results of activities of a VIE in its consolidated financial statements.&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;A VIE should be consolidated if a party with an ownership, contractual or other financial interest in the VIE (a variable interest holder) has the power to direct the VIE's most significant activities and the obligation to absorb losses or right to receive benefits of the VIE that could be significant to the VIE. A variable interest holder that consolidates the VIE is called the primary beneficiary. Upon consolidation, the primary beneficiary generally must initially record all of the VIE's assets, liabilities and noncontrolling interests at fair value and subsequently account for the VIE as if it were consolidated.&lt;/span&gt;&lt;/div&gt;The Company's evaluation of whether it qualifies as the primary beneficiary of a VIE involves significant judgments, estimates and assumptions and includes a qualitative analysis of the activities that most significantly impact the VIE's economic performance and whether the Company has the power to direct those activities, the design of the entity, the rights of the parties and the purpose of the arrangement.</us-gaap:ConsolidationVariableInterestEntityPolicy>
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      id="TextSelection-9BFC12BEFF35C7C5924EF94C9CED0C39-0-wk-Fact-48137A4D7C3868BB20ADF94C9CAF18E4">The after-tax changes in the components of accumulated other comprehensive loss as of &lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:35%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Net&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unrealized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gain (Loss) on&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Derivative&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Instruments&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Qualifying&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;as Hedges&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Post-&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;retirement&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Liability&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Adjustment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Foreign&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Currency&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Translation&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Adjustment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Net&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unrealized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gain (Loss) on&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Available-&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;for-sale&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Investments&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Accumulated&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Comprehensive&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Balance at December&#160;31, 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2,667&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(34,257&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(200&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(24&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(37,148&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other comprehensive income (loss) before reclassifications&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,470&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;51&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(182&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,601&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amounts reclassified from accumulated other comprehensive loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;367&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,506&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;143&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,016&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net current-period other comprehensive income (loss)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;367&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,036&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;51&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(39&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,415&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Balance at December&#160;31, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2,300&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(33,221&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(149&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(63&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(35,733&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other comprehensive loss before reclassifications&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,812&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(139&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,957&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amounts reclassified from accumulated other comprehensive loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;366&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,013&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;120&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,499&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amounts reclassified to accumulated other comprehensive loss from a regulatory asset&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,143&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,143&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net current-period other comprehensive income (loss)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;366&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,942&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(19&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,601&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div 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#000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Location on Consolidated&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Statements of Income&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Reclassification adjustment 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style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Reclassification adjustment for loss on available-for-sale&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:12px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;investments included in net income (loss)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(185&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(220&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other income&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;65&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;77&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income 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      id="TextSelection-A503B1DE4AA2ED71A1BBF94C9CED3DBF-0-wk-Fact-1EAB7BE211A253F1F30EF94C9C9FC42A">Assets Held for Sale and Discontinued Operations&lt;div style="line-height:140%;padding-top:0px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The assets of Pronghorn were classified as held for sale in the fourth quarter of 2016. Pronghorn's results of operations for 2016 were included in the pipeline and midstream segment.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Pronghorn &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On November&#160;21, 2016, WBI Energy Midstream announced it had entered into a purchase and sale agreement to sell its &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:normal;"&gt;&lt;span&gt;50&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent non-operating ownership interest in Pronghorn to Andeavor Field Services LLC. The transaction closed on January&#160;1, 2017, which generated approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$100&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; of proceeds for the Company. The sale of Pronghorn further reduced the Company's risk exposure to commodity prices.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The carrying amounts of the major classes of assets classified as held for sale associated with Pronghorn on the Company's Consolidated Balance Sheets at December&#160;31 were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:65.13409961685824%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="4"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:81%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:17%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Current assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Prepayments and other current assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;68&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total current assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;68&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Noncurrent assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net property, plant and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;93,424&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Goodwill&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;9,737&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less allowance for impairment of assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,311&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total noncurrent assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;100,850&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;100,918&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company performed a fair value assessment of the assets and liabilities classified as held for sale. In the fourth quarter of 2016, the fair value assessment was determined using the market approach based on the purchase and sale agreement with Andeavor Field Services LLC. The fair value assessment indicated an impairment based on the carrying value exceeding the fair value, which resulted in the Company recording an impairment of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$2.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; (&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.4&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; after tax) in the quarter ended December&#160;31, 2016. The fair value of Pronghorn's assets have been categorized as Level&#160;3 in the fair value hierarchy. The impairment was recorded in operation and maintenance expense on the Consolidated Statement of Income.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Discontinued operations&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The assets and liabilities of the Company's discontinued operations have been classified as held for sale and the results of operations are shown in loss from discontinued operations, other than certain general and administrative costs and interest expense which do not meet the criteria for income (loss) from discontinued operations. At the time the assets were classified as held for sale, depreciation, depletion and amortization expense was no longer recorded.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Dakota Prairie Refining &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On June&#160;24, 2016, WBI Energy entered into a membership interest purchase agreement with Tesoro to sell all of the outstanding membership interests in Dakota Prairie Refining to Tesoro. WBI Energy and Calumet each previously owned &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:normal;"&gt;&lt;span&gt;50&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent of the Dakota Prairie Refining membership interests and were equal members in building and operating Dakota Prairie Refinery. To effectuate the sale, WBI Energy acquired Calumet's &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:normal;"&gt;&lt;span&gt;50&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent membership interest in Dakota Prairie Refining on June&#160;27, 2016. The sale of the membership interests to Tesoro closed on June&#160;27, 2016. The sale of Dakota Prairie Refining reduced the Company's risk by decreasing exposure to commodity prices.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Centennial continues to guarantee certain debt obligations of Dakota Prairie Refining; however, Tesoro has agreed to indemnify Centennial for any losses and litigation expenses arising for the guarantee. For more information related to the guarantee, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:normal;"&gt;17&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The carrying amounts of the major classes of assets and liabilities classified as held for sale, related to the operations of and activity associated with Dakota Prairie Refining, on the Company's Consolidated Balance Sheets at December&#160;31 were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:80.65134099616859%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="8"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:65%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:4%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:14%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Current assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income taxes receivable&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,778&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,987&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total current assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,778&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,987&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,778&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,987&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Current liabilities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Accounts payable&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,425&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total current liabilities held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,425&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Noncurrent liabilities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred income taxes (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;37&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;14&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total noncurrent liabilities held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;37&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;14&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total liabilities held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;37&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,439&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;On the Company's Consolidated Balance Sheets, these amounts were reclassified to current income taxes payable and are reflected in current liabilities held for sale.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;On the Company's Consolidated Balance Sheets, these amounts were reclassified to noncurrent deferred income tax assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;padding-left:18px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;and are reflected in noncurrent assets held for sale.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:80.65134099616859%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company retained certain liabilities of Dakota Prairie Refining which were reflected in current liabilities held for sale on the Consolidated Balance Sheet at December&#160;31, 2016. In the first quarter of 2017, the Company recorded a reversal of a previously accrued liability of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$7.0 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; (&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$4.3 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; after tax) due to the resolution of a legal matter. As of December 31, 2017, Dakota Prairie Refining had not incurred any material exit and disposal costs, and does not expect to incur any material exit and disposal costs.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company performed a fair value assessment of the assets and liabilities classified as held for sale. In the second quarter of 2016, the fair value assessment was determined using the market approach based on the sale transaction to Tesoro. The fair value assessment indicated an impairment based on the carrying value exceeding the fair value, which resulted in the Company recording an impairment of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$251.9&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; (&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$156.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; after tax) in the quarter ended June&#160;30, 2016. The impairment was included in operating expenses from discontinued operations. The fair value of Dakota Prairie Refining's assets have been categorized as Level&#160;3 in the fair value hierarchy. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Fidelity &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In the second quarter of 2015, the Company began the marketing and sale process of Fidelity with an anticipated sale to occur within one year. Between September 2015 and March 2016, the Company entered into purchase and sale agreements to sell substantially all of Fidelity's oil and natural gas assets. The completion of these sales occurred between October 2015 and April 2016. The sale of Fidelity was part of the Company's strategic plan to grow its capital investments in the remaining business segments and to focus on creating a greater long-term value.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The carrying amounts of the major classes of assets and liabilities classified as held for sale, related to the operations of Fidelity, on the Company's Consolidated Balance Sheets at December&#160;31 were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:83.5249042145594%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="9"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:64%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:3%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:3%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Current assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Receivables, net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;479&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;355&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total current assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;479&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;355&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Noncurrent assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net property, plant and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,631&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,507&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred income taxes&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,637&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;91,098&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;161&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;161&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less allowance for impairment of assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;938&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total noncurrent assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,429&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;95,828&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,908&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;96,183&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Current liabilities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Accounts payable&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;30&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;141&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Taxes payable&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;10,857&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;19&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other accrued liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,884&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,358&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total current liabilities held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;13,771&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,518&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total liabilities held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;13,771&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,518&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;On the Company's Consolidated Balance Sheets, this amount was reclassified to prepayments and other current assets and &lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;padding-left:18px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;is reflected in current assets held for sale.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:83.5249042145594%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;At December&#160;31, 2017 and 2016, the Company&#x2019;s deferred tax assets included in assets held for sale were largely comprised of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$2.6&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$89.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively, of federal and state net operating loss carryforwards. The Company realized substantially all of the outstanding net operating loss carryforwards in 2017.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company had federal income tax net operating loss carryforwards of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$4.4&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$297.2&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; at December&#160;31, 2017 and 2016, respectively. At December&#160;31, 2017 and 2016, the Company had various state income tax net operating loss carryforwards of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$13.8&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$189.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively. The federal net operating loss carryforwards expire in 2036 and 2037 if not utilized. The state net operating loss carryforwards are due to expire between 2023 and 2037. It is likely a portion of the benefit from the state carryforwards will not be realized; therefore, valuation allowances of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$349,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$500,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; have been provided in 2017 and 2016, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company performed a fair value assessment of the assets and liabilities classified as held for sale. In the first quarter of 2016, the fair value assessment was determined using the market approach largely based on a purchase and sale agreement. The estimated fair value exceeded the carrying value and the Company recorded an impairment reversal of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.4 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; (&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$900,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; after tax) in the first quarter of 2016. In the second quarter of 2016, the fair value assessment was determined using the income and market approaches. The income approach was determined by using the present value of future estimated cash flows. The market approach was based on market transactions of similar properties. The estimated carrying value exceeded the fair value and the Company recorded an impairment of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$900,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; (&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$600,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; after tax) in the second quarter of 2016. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In the second quarter of 2015, the estimated fair value was determined using the income and the market approaches. The income approach was determined by using the present value of future estimated cash flows. The income approach considered management's views on current operating measures as well as assumptions pertaining to market forces in the oil and gas industry including estimated reserves, estimated prices, market differentials, estimates of well operating and future development costs and timing of operations. The estimated cash flows were discounted using a rate believed to be consistent with those used by principal market participants. The market approach was provided by a third party and based on market transactions involving similar interests in oil and natural gas properties. The fair value assessment indicated an impairment based on the carrying value exceeding the estimated fair value, which is resulted in the Company writing down Fidelity's assets at June 30, 2015, and recording an impairment of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$400.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; (&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$252.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; after tax) during the second quarter of 2015. In the third quarter of 2015, the estimated fair value of Fidelity was determined by agreed upon pricing in the purchase and sale agreements for the assets subject to the agreements, the majority of which closed during the fourth quarter of 2015, including customary purchase price adjustments. The values received in the bid proposals were lower than originally anticipated due to lower commodity prices &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;than those projected in the second quarter of 2015. For those assets for which a purchase and sale agreement had not been entered into at that time, the fair value was based on the market approach utilizing multiples based on similar interests in oil and natural gas properties. The fair value assessment indicated an impairment based on the carrying value exceeding the estimated fair value, which resulted in the Company writing down Fidelity's assets at September&#160;30, 2015, and recording an impairment of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$356.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; (&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$224.4 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; after tax). In the fourth quarter of 2015, the fair value assessment was determined using the market approach based on purchase and sale agreements. The estimated fair value exceeded the carrying value and the Company recorded an impairment reversal of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.6&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; (&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; after tax) in the fourth quarter of 2015. The impairments were included in operating expenses from discontinued operations. The estimated fair value of Fidelity's assets have been categorized as Level&#160;3 in the fair value hierarchy.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company incurred transaction costs of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$300,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in the first quarter of 2016 and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$2.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in 2015. In addition to the transaction costs, and due in part to the change in plans to sell the assets of Fidelity rather than sell Fidelity as a company, Fidelity incurred and expensed approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$5.6&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; of exit and disposal costs in 2016, and has incurred &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$10.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; of exit and disposal costs to date. The Company does not expect to incur any additional material exit and disposal costs. The exit and disposal costs are associated with severance and other related matters and exclude the office lease expiration discussed in the following paragraph. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Fidelity vacated its office space in Denver, Colorado in 2016. The Company incurred lease payments of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$900,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in 2016. Lease termination payments of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$3.2&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$3.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; were made during the second quarter of 2016 and fourth quarter of 2015, respectively. Existing office furniture and fixtures were relinquished to the lessor in the second quarter of 2016.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Historically, the company used the full-cost method of accounting for its oil and natural gas production activities. Under this method, all costs incurred in the acquisition, exploration and development of oil and natural gas properties are capitalized and amortized on the units-of-production method based on total proved reserves.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Prior to the oil and natural gas properties being classified as held for sale, capitalized costs were subject to a "ceiling test" that limits such costs to the aggregate of the present value of future net cash flows from proved reserves discounted at 10 percent, as mandated under the rules of the SEC, plus the cost of unproved properties not subject to amortization, plus the effects of cash flow hedges, less applicable income taxes. Proved reserves and associated future cash flows are determined based on SEC Defined Prices and exclude cash outflows associated with asset retirement obligations that have been accrued on the balance sheet. If capitalized costs, less accumulated amortization and related deferred income taxes, exceed the full-cost ceiling at the end of any quarter, a permanent noncash write-down is required to be charged to earnings in that quarter regardless of subsequent price changes.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's capitalized cost under the full-cost method of accounting exceeded the full-cost ceiling at March 31, 2015. SEC Defined Prices, adjusted for market differentials, were used to calculate the ceiling test. Accordingly, the Company was required to write down its oil and natural gas producing properties. The Company recorded a &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$500.4&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; (&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$315.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; after tax) noncash write-down in operating expenses from discontinued operations in the first quarter of 2015.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Fidelity previously held commodity derivatives that were not designated as hedging instruments. The amount of loss recognized in discontinued operations, before tax, was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$18.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in the year ended December 31, 2015.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Dakota Prairie Refining and Fidelity &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The reconciliation of the major classes of income and expense constituting pretax income (loss) from discontinued operations, which includes Dakota Prairie Refining and Fidelity, to the after-tax loss from discontinued operations on the Company's Consolidated Statements of Income for the years ended December&#160;31 were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:91.18773946360153%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:58%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating revenues&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;465&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;123,024&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;363,115&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating expenses&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(4,607&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;513,813&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,666,941&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating income (loss)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5,072&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(390,789&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,303,826&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other income (expense)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(13&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;306&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,149&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Interest expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;250&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,753&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,124&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income (loss) from discontinued operations before income taxes&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,809&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(392,236&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,302,801&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income taxes*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;8,592&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(91,882&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(468,721&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Loss from discontinued operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(3,783&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(300,354&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(834,080&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Loss from discontinued operations attributable to noncontrolling interest&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(131,691&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(35,256&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Loss from discontinued operations attributable to the Company&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(3,783&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(168,663&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(798,824&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:91.18773946360153%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The pretax income (loss) from discontinued operations attributable to the Company, related to the operations of and activity associated with Dakota Prairie Refining, was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$6.9&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$(253.5)&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$(31.5)&#160;million&lt;/span&gt;&lt;/span&gt; for the years ended December&#160;31, 2017, 2016 and 2015, respectively.</us-gaap:DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock>
    <mdu:PercentofOwnershipToSell
      contextRef="I2016Q4DO_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember"
      decimals="2"
      id="d8039754e1172-wk-Fact-E83D460B51A4595E1872F94C9C9F4F86"
      unitRef="number">0.50</mdu:PercentofOwnershipToSell>
    <us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration
      contextRef="I2017Q1SD_us-gaap_DisposalGroupClassificationAxis_us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember"
      decimals="-6"
      id="d8039754e1176-wk-Fact-EA31F02F99FB4D7B51115D55BAE781E7"
      unitRef="usd">100000000</us-gaap:DisposalGroupIncludingDiscontinuedOperationConsideration>
    <us-gaap:DisclosureOfLongLivedAssetsHeldForSaleTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-2BCC3EB6F50CD403EC46F94C9CED79FF-0-wk-Fact-C5839A517BB4776E8181F94C9C9FFF7D">The carrying amounts of the major classes of assets classified as held for sale associated with Pronghorn on the Company's Consolidated Balance Sheets at December&#160;31 were as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:65.13409961685824%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="4"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:81%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:17%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Current assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Prepayments and other current assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;68&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total current assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;68&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Noncurrent assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net property, plant and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;93,424&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Goodwill&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;9,737&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less allowance for impairment of assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,311&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total noncurrent assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 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      id="TextSelection-3D26B67455BB44661717F94C9CED6F47-0-wk-Fact-AB02FD8FDC70150E8ABDF94C9C9FE49A">The carrying amounts of the major classes of assets and liabilities classified as held for sale, related to the operations of Fidelity, on the Company's Consolidated Balance Sheets at December&#160;31 were as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:83.5249042145594%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="9"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:64%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:3%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:3%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Current assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Receivables, net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;479&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;355&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total current assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;479&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;355&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Noncurrent assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net property, plant and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,631&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,507&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred income taxes&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,637&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;91,098&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;161&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;161&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less allowance for impairment of assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;938&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total noncurrent assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,429&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;95,828&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,908&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;96,183&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Current liabilities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Accounts payable&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;30&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;141&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Taxes payable&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;10,857&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;19&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other accrued liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,884&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,358&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total current liabilities held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;13,771&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,518&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total liabilities held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;13,771&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,518&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;On the Company's Consolidated Balance Sheets, this amount was reclassified to prepayments and other current assets and &lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;is reflected in current assets held for sale.The carrying amounts of the major classes of assets and liabilities classified as held for sale, related to the operations of and activity associated with Dakota Prairie Refining, on the Company's Consolidated Balance Sheets at December&#160;31 were as follows:&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:80.65134099616859%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="8"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:65%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:4%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:14%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Current assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income taxes receivable&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,778&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,987&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total current assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,778&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,987&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,778&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,987&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Current liabilities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Accounts payable&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,425&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total current liabilities held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,425&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Noncurrent liabilities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred income taxes (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;37&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;14&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total noncurrent liabilities held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;37&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;14&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total liabilities held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;37&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,439&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div 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      id="TextSelection-706D782CA5DD7AD70958F94C9CED0EA1-0-wk-Fact-B16D11C6E48228AED8ADF94C9C9F5832">&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The reconciliation of the major classes of income and expense constituting pretax income (loss) from discontinued operations, which includes Dakota Prairie Refining and Fidelity, to the after-tax loss from discontinued operations on the Company's Consolidated Statements of Income for the years ended December&#160;31 were as follows:&lt;/span&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:91.18773946360153%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:58%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating revenues&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;465&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;123,024&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;363,115&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating expenses&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(4,607&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;513,813&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,666,941&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating income (loss)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5,072&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(390,789&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,303,826&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other income (expense)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(13&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;306&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,149&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Interest expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;250&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,753&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,124&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income (loss) from discontinued operations before income taxes&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,809&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(392,236&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,302,801&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income taxes*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;8,592&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(91,882&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(468,721&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade 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style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(131,691&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(35,256&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Loss from discontinued operations attributable to the Company&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid 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#000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(168,663&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div 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      id="TextSelection-9BC20903251C1277C2BDF94C9CEDE8CB-0-wk-Fact-F5605F3F62A0A2E80388F94C9C9F838F">Goodwill and Other Intangible Assets&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The changes in the carrying amount of goodwill for the year ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:83.9080459770115%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="12"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:14%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:2%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:14%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:2%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:14%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at January&#160;1, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Goodwill Acquired&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;During the Year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="11" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;345,736&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;345,736&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;176,290&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;176,290&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;109,765&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;109,765&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;631,791&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;631,791&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The changes in the carrying amount of goodwill for the year ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.65900383141762%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:41%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at January&#160;1, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;*&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Goodwill Acquired&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;During the Year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Less Held for Sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="15" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;345,736&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;345,736&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,737&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,737&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;176,290&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;176,290&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;103,441&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,324&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;109,765&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;635,204&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,324&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,737&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;631,791&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Balance is presented net of accumulated impairment of &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$12.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; at the pipeline and midstream segment, which occurred in prior periods.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.65900383141762%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Other amortizable intangible assets at December&#160;31 were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:66%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Customer relationships&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;15,248&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17,145&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;13,382&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,917&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,866&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,228&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Noncompete agreements&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,430&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,430&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,805&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,658&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;625&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;772&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6,990&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,768&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5,644&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,843&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,346&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,925&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3,837&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,925&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Amortization expense for amortizable intangible assets for the years ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$2.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$2.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$2.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively. Estimated amortization expense for intangible assets is &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2018&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2019&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$500,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2020&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$300,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2021&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$200,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2022&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$500,000&lt;/span&gt;&lt;/span&gt; thereafter.</us-gaap:GoodwillAndIntangibleAssetsDisclosureTextBlock>
    <us-gaap:ScheduleOfGoodwillTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-4F876BFF503D161F94E3F94C9CED6B86-0-wk-Fact-DE3FB6167BF61F1475D9F94C9CAF0183">The changes in the carrying amount of goodwill for the year ended &lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:83.9080459770115%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="12"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:14%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:2%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:14%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:2%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:14%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at January&#160;1, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Goodwill Acquired&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;During the Year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="11" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;345,736&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;345,736&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;176,290&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;176,290&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;109,765&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;109,765&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;631,791&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;631,791&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The changes in the carrying amount of goodwill for the year ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.65900383141762%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:41%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at January&#160;1, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;*&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Goodwill Acquired&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;During the Year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Less Held for Sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="15" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;345,736&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;345,736&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,737&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,737&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;176,290&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;176,290&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;103,441&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,324&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;109,765&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;635,204&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,324&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,737&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;631,791&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Balance is presented net of accumulated impairment of &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$12.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; at the pipeline and midstream segment, which occurred in prior periods.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.65900383141762%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfGoodwillTextBlock>
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    <us-gaap:Goodwill
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      id="d8035218e1481-wk-Fact-FABA1ACFCEBE7EDE2EECF94C9CBF92F4"
      unitRef="usd">109765000</us-gaap:Goodwill>
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      id="d8035218e1507-wk-Fact-0EFBF6D8DA53E9915170F94C9CDE70A5"
      unitRef="usd">631791000</us-gaap:Goodwill>
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      unitRef="usd">631791000</us-gaap:Goodwill>
    <us-gaap:Goodwill
      contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember"
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      id="d8035218e1790-wk-Fact-3C76E5BFDCF701EA8675F94C9C90F1E8"
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    <us-gaap:Goodwill
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      id="d8035218e1848-wk-Fact-EA31D06058C41C971FADF94C9C904F55"
      unitRef="usd">345736000</us-gaap:Goodwill>
    <us-gaap:Goodwill
      contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember"
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      id="d8035218e1863-wk-Fact-AC5EF7C39C4F1C26CABDF94C9C90FF40"
      unitRef="usd">9737000</us-gaap:Goodwill>
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      contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember"
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      id="d8035218e1901-wk-Fact-B7CE8B5F39C6F64DEACF51677819FE66"
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    <us-gaap:Goodwill
      contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember"
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    <us-gaap:Goodwill
      contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember"
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      id="d8035218e1941-wk-Fact-C323CD1265C980CC39C5F94C9C90EAA4"
      unitRef="usd">176290000</us-gaap:Goodwill>
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      contextRef="FD2016Q4YTD_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionMaterialsAndContractingMember"
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    <us-gaap:Goodwill
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      unitRef="usd">176290000</us-gaap:Goodwill>
    <us-gaap:Goodwill
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      id="d8035218e2019-wk-Fact-32581A7044DDC2D07931F94C9C90FA85"
      unitRef="usd">103441000</us-gaap:Goodwill>
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      id="d8035218e2077-wk-Fact-6D67460C0806C41EBDDCF94C9C90FFC1"
      unitRef="usd">109765000</us-gaap:Goodwill>
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      id="d8035218e2102-wk-Fact-502E16389AC07705B98CF94C9C902DD8"
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    <us-gaap:GoodwillAcquiredDuringPeriod
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    <us-gaap:GoodwillImpairedAccumulatedImpairmentLoss
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      id="TextSelection-EC111092CB2F4E083DC0F94C9CED8A98-0-wk-Fact-0A5257536CB1F2E2F35AF94C9CDE31F4">Other amortizable intangible assets at December&#160;31 were as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:66%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Customer relationships&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;15,248&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17,145&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;13,382&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,917&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,866&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,228&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Noncompete agreements&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,430&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,430&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,805&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,658&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;625&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;772&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6,990&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,768&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5,644&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,843&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,346&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,925&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3,837&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,925&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock>
    <us-gaap:FiniteLivedIntangibleAssetsGross
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      id="d8035218e2317-wk-Fact-D285B73451735A52FD95F94C9CBFE7BB"
      unitRef="usd">15248000</us-gaap:FiniteLivedIntangibleAssetsGross>
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      id="d8035218e2331-wk-Fact-7957E6165E41E0B3A673F94C9C80F862"
      unitRef="usd">17145000</us-gaap:FiniteLivedIntangibleAssetsGross>
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      id="d8035218e2346-wk-Fact-8733C99F71434EF488A7F94C9C80BE23"
      unitRef="usd">13382000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
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      id="d8035218e2360-wk-Fact-A8F063E8472B9F4E2973F94C9C804CA9"
      unitRef="usd">13917000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:IntangibleAssetsNetExcludingGoodwill
      contextRef="FI2017Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_CustomerRelationshipsMember"
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      id="d8035218e2380-wk-Fact-201EE70F4C3F43B329DEF94C9C80D311"
      unitRef="usd">1866000</us-gaap:IntangibleAssetsNetExcludingGoodwill>
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      id="d8035218e2394-wk-Fact-31CA2814C6EEDBE72457F94C9C909F3E"
      unitRef="usd">3228000</us-gaap:IntangibleAssetsNetExcludingGoodwill>
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      id="d8035218e2414-wk-Fact-E8A474BA3C8E9030B815F94C9CAFC0BD"
      unitRef="usd">2430000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsGross
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      id="d8035218e2428-wk-Fact-9C60CF203D964F697E9DF94C9CCE3903"
      unitRef="usd">2430000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
      contextRef="FI2017Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_NoncompeteAgreementsMember"
      decimals="-3"
      id="d8035218e2448-wk-Fact-B4790B2581984E27B206F94C9CCE3281"
      unitRef="usd">1805000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
      contextRef="FI2016Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_NoncompeteAgreementsMember"
      decimals="-3"
      id="d8035218e2462-wk-Fact-422F2408608963853098F94C9C909DD7"
      unitRef="usd">1658000</us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization>
    <us-gaap:IntangibleAssetsNetExcludingGoodwill
      contextRef="FI2017Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_NoncompeteAgreementsMember"
      decimals="-3"
      id="d8035218e2482-wk-Fact-AAAC6E7EBBFF6E2824FBF94C9C90A77B"
      unitRef="usd">625000</us-gaap:IntangibleAssetsNetExcludingGoodwill>
    <us-gaap:IntangibleAssetsNetExcludingGoodwill
      contextRef="FI2016Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_NoncompeteAgreementsMember"
      decimals="-3"
      id="d8035218e2496-wk-Fact-D63B611FC44AC3EE95D1F94C9C90587A"
      unitRef="usd">772000</us-gaap:IntangibleAssetsNetExcludingGoodwill>
    <us-gaap:FiniteLivedIntangibleAssetsGross
      contextRef="FI2017Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_OtherIntangibleAssetsMember"
      decimals="-3"
      id="d8035218e2516-wk-Fact-E33B47E462D134088CC0F94C9C807E79"
      unitRef="usd">6990000</us-gaap:FiniteLivedIntangibleAssetsGross>
    <us-gaap:FiniteLivedIntangibleAssetsGross
      contextRef="FI2016Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_OtherIntangibleAssetsMember"
      decimals="-3"
      id="d8035218e2530-wk-Fact-FABF9220EA4E88D1F18CF94C9C80B41A"
      unitRef="usd">7768000</us-gaap:FiniteLivedIntangibleAssetsGross>
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      contextRef="FI2017Q4_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_us-gaap_OtherIntangibleAssetsMember"
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      id="TextSelection-B7D86FFC522200018B46F94C9CED464D-0-wk-Fact-89DF42F389849386EE70F94C9C8068AB">Regulatory Assets and Liabilities&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The following table summarizes the individual components of unamortized regulatory assets and liabilities as of December&#160;31:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="9"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:53%;"/&gt;&lt;td style="width:19%;"/&gt;&lt;td style="width:2%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Estimated Recovery&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Period&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Regulatory assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pension and postretirement benefits (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(e)&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;163,896&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;176,025&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Taxes recoverable from customers (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Over plant lives&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;12,073&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;28,278&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Manufactured gas plant sites remediation (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;-&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;18,213&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;18,259&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Asset retirement obligations (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Over plant lives&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;56,078&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;42,580&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas costs recoverable through rate adjustments (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Up to 1 year&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;14,465&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,242&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Long-term debt refinancing costs (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Up to 20 years&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5,563&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,248&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Costs related to identifying generation development (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Up to 9 years&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,960&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,407&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other (a) (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Up to 20 years&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;27,715&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;30,281&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total regulatory assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;300,963&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;307,320&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Regulatory liabilities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Plant removal and decommissioning costs (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;176,190&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;176,972&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Taxes refundable to customers (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;279,668&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,010&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pension and postretirement benefits (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;11,056&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,099&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas costs refundable through rate adjustments (d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;28,514&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;25,580&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other (c) (d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;23,870&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;19,191&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total regulatory liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;519,298&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;241,852&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net regulatory position&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(218,335&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;65,468&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:6px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Estimated recovery period for regulatory assets currently being recovered in rates charged to customers.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Included in deferred charges and other assets - other on the Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Included in prepayments and other current assets on the Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Included in deferred credits and other liabilities - other on the Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Included in other accrued liabilities on the Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(e)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Recovered as expense is incurred or cash contributions are made.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The regulatory assets are expected to be recovered in rates charged to customers. A portion of the Company's regulatory assets are not earning a return; however, these regulatory assets are expected to be recovered from customers in future rates. As of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$269.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$255.4&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively, of regulatory assets were not earning a rate of return.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In the fourth quarter of 2017, the Company performed a one-time revaluation of the Company's regulated deferred tax assets and liabilities for the reduction of the corporate tax rate from 35&#160;percent to 21&#160;percent effective January&#160;1, 2018, as identified in the TCJA. The revaluation of the Company's regulatory deferred tax assets and liabilities are being deferred as the Company works with the various regulators on a plan for amounts expected to be returned to customers, as discussed in Note &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;16&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. In the fourth quarter of 2017, the revaluation of the deferred tax assets and liabilities resulted in a decrease of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$15.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in taxes recoverable from customers and an increase of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$270.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in taxes refundable to customers. These regulatory amounts are expected to generally be refunded over the remaining life of the related assets as prescribed in the TCJA. The approved regulatory treatment of the impacts of the TCJA by the various regulators may affect the analyses performed.&lt;/span&gt;&lt;/div&gt;If, for any reason, the Company's regulated businesses cease to meet the criteria for application of regulatory accounting for all or part of their operations, the regulatory assets and liabilities relating to those portions ceasing to meet such criteria would be removed from the balance sheet and included in the statement of income or accumulated other comprehensive income (loss) in the period in which the discontinuance of regulatory accounting occurs.</us-gaap:ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock>
    <us-gaap:ScheduleOfRegulatoryLiabilitiesTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-44F32F7121F99DB529F2F94C9CEDE59D-0-wk-Fact-D52D2BC38DC11188CF07F94C9C801D33">The following table summarizes the individual components of unamortized regulatory assets and liabilities as of December&#160;31:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="9"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:53%;"/&gt;&lt;td style="width:19%;"/&gt;&lt;td style="width:2%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Estimated Recovery&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Period&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Regulatory assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pension and postretirement benefits (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(e)&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;163,896&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;176,025&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Taxes recoverable from customers (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Over plant lives&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;12,073&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;28,278&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Manufactured gas plant sites remediation (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;-&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;18,213&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;18,259&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Asset retirement obligations (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Over plant lives&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;56,078&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;42,580&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas costs recoverable through rate adjustments (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Up to 1 year&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;14,465&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,242&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Long-term debt refinancing costs (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Up to 20 years&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5,563&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,248&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Costs related to identifying generation development (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Up to 9 years&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,960&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,407&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other (a) (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Up to 20 years&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;27,715&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;30,281&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total regulatory assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;300,963&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;307,320&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Regulatory liabilities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Plant removal and decommissioning costs (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;176,190&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;176,972&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Taxes refundable to customers (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;279,668&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,010&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pension and postretirement benefits (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;11,056&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,099&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas costs refundable through rate adjustments (d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;28,514&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;25,580&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other (c) (d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;23,870&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;19,191&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total regulatory liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;519,298&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;241,852&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net regulatory position&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(218,335&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;65,468&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:6px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Estimated recovery period for regulatory assets currently being recovered in rates charged to customers.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Included in deferred charges and other assets - other on the Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Included in prepayments and other current assets on the Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Included in deferred credits and other liabilities - other on the Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Included in other accrued liabilities on the Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(e)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Recovered as expense is incurred or cash contributions are made.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;</us-gaap:ScheduleOfRegulatoryLiabilitiesTextBlock>
    <us-gaap:ScheduleOfRegulatoryAssetsTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-F28AFA4971063E77EFC3F94C9CEDDBE7-0-wk-Fact-7644AF789110533CFF23F94C9C807A13">The following table summarizes the individual components of unamortized regulatory assets and liabilities as of December&#160;31:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="9"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:53%;"/&gt;&lt;td style="width:19%;"/&gt;&lt;td style="width:2%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Estimated Recovery&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Period&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Regulatory assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pension and postretirement benefits (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(e)&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;163,896&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;176,025&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Taxes recoverable from customers (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Over plant lives&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;12,073&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;28,278&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Manufactured gas plant sites remediation (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;-&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;18,213&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;18,259&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Asset retirement obligations (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Over plant lives&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;56,078&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;42,580&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas costs recoverable through rate adjustments (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Up to 1 year&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;14,465&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,242&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Long-term debt refinancing costs (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Up to 20 years&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5,563&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,248&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Costs related to identifying generation development (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Up to 9 years&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,960&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,407&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other (a) (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;Up to 20 years&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;27,715&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;30,281&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total regulatory assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;300,963&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;307,320&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Regulatory liabilities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Plant removal and decommissioning costs (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;176,190&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;176,972&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Taxes refundable to customers (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;279,668&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,010&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pension and postretirement benefits (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;11,056&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,099&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas costs refundable through rate adjustments (d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;28,514&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;25,580&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other (c) (d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;23,870&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;19,191&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total regulatory liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;519,298&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;241,852&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net regulatory position&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(218,335&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;65,468&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:6px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Estimated recovery period for regulatory assets currently being recovered in rates charged to customers.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Included in deferred charges and other assets - other on the Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Included in prepayments and other current assets on the Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Included in deferred credits and other liabilities - other on the Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Included in other accrued liabilities on the Consolidated Balance Sheets.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(e)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Recovered as expense is incurred or cash contributions are made.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New 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      contextRef="FD2017Q4YTD_us-gaap_RegulatoryAssetAxis_us-gaap_PensionAndOtherPostretirementPlansCostsMember"
      id="d8035210e1337-wk-Fact-BEE1FE8C3EFF94E1FCFCF94C9C90D694">(e)</us-gaap:RegulatoryAssetRecoveryAssessments>
    <us-gaap:RegulatoryAssets
      contextRef="FI2017Q4_us-gaap_RegulatoryAssetAxis_us-gaap_PensionAndOtherPostretirementPlansCostsMember"
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      id="d8035210e1352-wk-Fact-180C57D9A2DBE320CBCCF94C9C90E7BB"
      unitRef="usd">163896000</us-gaap:RegulatoryAssets>
    <us-gaap:RegulatoryAssets
      contextRef="FI2016Q4_us-gaap_RegulatoryAssetAxis_us-gaap_PensionAndOtherPostretirementPlansCostsMember"
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      id="d8035210e1366-wk-Fact-356C852FE924CF53EDB7F94C9C8098A1"
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      contextRef="FD2017Q4YTD_us-gaap_RegulatoryAssetAxis_us-gaap_DeferredIncomeTaxChargesMember"
      id="d8035210e1381-wk-Fact-DC87228758BBA83520FBF94C9C802E68">Over plant lives</us-gaap:RegulatoryAssetRecoveryAssessments>
    <us-gaap:RegulatoryAssets
      contextRef="FI2017Q4_us-gaap_RegulatoryAssetAxis_us-gaap_DeferredIncomeTaxChargesMember"
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      id="d8035210e1391-wk-Fact-466A81A256D5B44566CBF94C9C9007FD"
      unitRef="usd">12073000</us-gaap:RegulatoryAssets>
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      id="d8035210e1405-wk-Fact-9509D7381E8BA7B28C14F94C9C90CB88"
      unitRef="usd">28278000</us-gaap:RegulatoryAssets>
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      contextRef="FD2017Q4YTD_us-gaap_RegulatoryAssetAxis_us-gaap_EnvironmentalRestorationCostsMember"
      id="d8035210e1425-wk-Fact-779C69ADDC07938E6666F94C9C907D8E">-</us-gaap:RegulatoryAssetRecoveryAssessments>
    <us-gaap:RegulatoryAssets
      contextRef="FI2017Q4_us-gaap_RegulatoryAssetAxis_us-gaap_EnvironmentalRestorationCostsMember"
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      id="d8035210e1435-wk-Fact-8B2685ED1E6C368C566BF94C9C907D1F"
      unitRef="usd">18213000</us-gaap:RegulatoryAssets>
    <us-gaap:RegulatoryAssets
      contextRef="FI2016Q4_us-gaap_RegulatoryAssetAxis_us-gaap_EnvironmentalRestorationCostsMember"
      decimals="-3"
      id="d8035210e1449-wk-Fact-819C18F5F2955DA6E7B9F94C9C90052E"
      unitRef="usd">18259000</us-gaap:RegulatoryAssets>
    <us-gaap:RegulatoryAssetRecoveryAssessments
      contextRef="FD2017Q4YTD_us-gaap_RegulatoryAssetAxis_us-gaap_AssetRetirementObligationCostsMember"
      id="d8035210e1469-wk-Fact-EB1286106CA4A9CC6E31F94C9C80E147">Over plant lives</us-gaap:RegulatoryAssetRecoveryAssessments>
    <us-gaap:RegulatoryAssets
      contextRef="FI2017Q4_us-gaap_RegulatoryAssetAxis_us-gaap_AssetRetirementObligationCostsMember"
      decimals="-3"
      id="d8035210e1479-wk-Fact-103948F94662BEABD6BCF94C9C80D29B"
      unitRef="usd">56078000</us-gaap:RegulatoryAssets>
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      contextRef="FI2016Q4_us-gaap_RegulatoryAssetAxis_us-gaap_AssetRetirementObligationCostsMember"
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      id="d8035210e1493-wk-Fact-CF77D1673A46B333C7F6F94C9C8001E0"
      unitRef="usd">42580000</us-gaap:RegulatoryAssets>
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      contextRef="FD2017Q4YTD_us-gaap_RegulatoryAssetAxis_us-gaap_AssetRecoverableGasCostsMember"
      id="d8035210e1513-wk-Fact-B2012326F6BD87097084F94C9C80287E">Up to 1 year</us-gaap:RegulatoryAssetRecoveryAssessments>
    <us-gaap:RegulatoryAssets
      contextRef="FI2017Q4_us-gaap_RegulatoryAssetAxis_us-gaap_AssetRecoverableGasCostsMember"
      decimals="-3"
      id="d8035210e1523-wk-Fact-C606C3EC12A4086AA2D2F94C9C80BABC"
      unitRef="usd">14465000</us-gaap:RegulatoryAssets>
    <us-gaap:RegulatoryAssets
      contextRef="FI2016Q4_us-gaap_RegulatoryAssetAxis_us-gaap_AssetRecoverableGasCostsMember"
      decimals="-3"
      id="d8035210e1537-wk-Fact-3C58D86E9FAC2BBEE29FF94C9C807FCD"
      unitRef="usd">2242000</us-gaap:RegulatoryAssets>
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      contextRef="FD2017Q4YTD_us-gaap_RegulatoryAssetAxis_us-gaap_LossOnReacquiredDebtMember"
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      contextRef="FI2017Q4_us-gaap_RegulatoryAssetAxis_us-gaap_LossOnReacquiredDebtMember"
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      id="d8035210e1567-wk-Fact-6F4C311245C93113944BF94C9C80F1ED"
      unitRef="usd">5563000</us-gaap:RegulatoryAssets>
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      contextRef="FI2016Q4_us-gaap_RegulatoryAssetAxis_us-gaap_LossOnReacquiredDebtMember"
      decimals="-3"
      id="d8035210e1581-wk-Fact-EE735B0354141CDDB3B8F94C9C90A673"
      unitRef="usd">6248000</us-gaap:RegulatoryAssets>
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      id="d8035210e1601-wk-Fact-9D15A498A319DF29E736F94C9C900475">Up to 9 years</us-gaap:RegulatoryAssetRecoveryAssessments>
    <us-gaap:RegulatoryAssets
      contextRef="FI2017Q4_us-gaap_RegulatoryAssetAxis_mdu_CostsRelatedToIdentifyingGenerationDevelopmentMember"
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      id="d8035210e1611-wk-Fact-53777262C94F91396F7FF94C9C90A717"
      unitRef="usd">2960000</us-gaap:RegulatoryAssets>
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      contextRef="FI2016Q4_us-gaap_RegulatoryAssetAxis_mdu_CostsRelatedToIdentifyingGenerationDevelopmentMember"
      decimals="-3"
      id="d8035210e1625-wk-Fact-23CE188BF5375F166B83F94C9C9029E2"
      unitRef="usd">3407000</us-gaap:RegulatoryAssets>
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    <us-gaap:RegulatoryAssets
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      id="d8035210e1655-wk-Fact-62C8C122B40B1DABB489F94C9C807DAE"
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      contextRef="FI2016Q4_us-gaap_RegulatoryAssetAxis_us-gaap_OtherRegulatoryAssetsLiabilitiesMember"
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      id="d8035210e1669-wk-Fact-11B005339419D8A6B6E4F94C9C808B39"
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      decimals="-3"
      id="d8035210e1700-wk-Fact-AB6D1BF32EE308161A94F94C9C902A4E"
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      id="d8035210e1714-wk-Fact-704AD8D59F721BD89070F94C9C808396"
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      id="d8035210e1790-wk-Fact-6BAFEB8D2944740C6E5BF94C9C904711"
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      contextRef="FI2016Q4_us-gaap_RegulatoryLiabilityAxis_us-gaap_RemovalCostsMember"
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      id="d8035210e1834-wk-Fact-B60B387DFE21C85E919DF94C9C909710"
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      id="d8035210e1848-wk-Fact-F2C2F0E334B0E8D46196F94C9C90BA1F"
      unitRef="usd">11010000</us-gaap:RegulatoryLiabilities>
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      contextRef="FI2017Q4_us-gaap_RegulatoryLiabilityAxis_us-gaap_PensionAndOtherPostretirementPlansCostsMember"
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      id="d8035210e1878-wk-Fact-11BE7077EFC587DF1163F94C9C80AC2D"
      unitRef="usd">11056000</us-gaap:RegulatoryLiabilities>
    <us-gaap:RegulatoryLiabilities
      contextRef="FI2016Q4_us-gaap_RegulatoryLiabilityAxis_us-gaap_PensionAndOtherPostretirementPlansCostsMember"
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      id="d8035210e1892-wk-Fact-753BE60FFD51DBE25CDA7B0501DACB11"
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      contextRef="FI2017Q4_us-gaap_RegulatoryLiabilityAxis_mdu_LiabilitiesRefundableGasCostsMember"
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    <us-gaap:RegulatoryLiabilities
      contextRef="FI2016Q4_us-gaap_RegulatoryLiabilityAxis_mdu_LiabilitiesRefundableGasCostsMember"
      decimals="-3"
      id="d8035210e1936-wk-Fact-908721EC8C96B48865E6F94C9C80D223"
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      contextRef="FI2017Q4_us-gaap_RegulatoryLiabilityAxis_us-gaap_OtherRegulatoryAssetsLiabilitiesMember"
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      id="d8035210e1966-wk-Fact-F63807553A5B092A63FAF94C9C90F3A5"
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      decimals="-3"
      id="d8035210e2010-wk-Fact-ED6861697CC7B771B356F94C9C906F0F"
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      contextRef="FI2016Q4"
      decimals="-3"
      id="d8035210e2024-wk-Fact-268E2AC2359582D03656F94C9C80A3D0"
      unitRef="usd">241852000</us-gaap:RegulatoryLiabilities>
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      id="d8035210e2059-wk-Fact-91325B8D46EA3FEC3BA8F94C9C808B8F"
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      id="d8035210e2074-wk-Fact-7A33D586364B107FA0C8F94C9C80AF90"
      unitRef="usd">65468000</us-gaap:NetRegulatoryAssets>
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      id="d8035210e2258-wk-Fact-DB12C18B5E8AA96F6B3AF94C9C80AB39"
      unitRef="usd">269100000</us-gaap:RemainingAmountsOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided>
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      id="d8035210e2262-wk-Fact-4F6CDF5FA042D1AC021EF94C9C800F10"
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      id="d8035210e2273-wk-Fact-EE16E1ADDB9A759E5A575E2737BAAF92"
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      id="d8035210e2277-wk-Fact-DFFEB375B0F1360FF9735E27BA1C2722"
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    <us-gaap:FairValueDisclosuresTextBlock
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      id="TextSelection-004025D46649E1C0023FF94C9CEDBAA7-0-wk-Fact-1BDE3BB319F138086C81F94C9CDEAC5A">Fair Value Measurements&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company measures its investments in certain fixed-income and equity securities at fair value with changes in fair value recognized in income. The Company anticipates using these investments, which consist of an insurance contract, to satisfy its obligations under its unfunded, nonqualified benefit plans for executive officers and certain key management employees, and invests in these fixed-income and equity securities for the purpose of earning investment returns and capital appreciation. These investments, which totaled &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$77.4&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$70.9&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively, were classified as investments on the Consolidated Balance Sheets. The net unrealized gains on these investments for the years ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$9.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$3.4&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$1.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively. The change in fair value, which is considered part of the cost of the plan, is classified in operation and maintenance expense on the Consolidated Statements of Income.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company did not elect the fair value option, which records gains and losses in income, for its available-for-sale securities, which include mortgage-backed securities and U.S. Treasury securities. These available-for-sale securities are recorded at fair value and are classified as investments on the Consolidated Balance Sheets. Unrealized gains or losses are recorded in accumulated other comprehensive income (loss). Details of available-for-sale securities were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:693px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:337px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Cost&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gross&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unrealized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gains&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gross&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unrealized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Losses&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Mortgage-backed securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,342&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;129&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,217&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. Treasury securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;205&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;204&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,547&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;130&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,421&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:693px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:337px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;December&#160;31, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Cost&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gross&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unrealized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gains&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gross&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unrealized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Losses&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Mortgage-backed securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,546&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;105&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,449&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,546&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;105&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,449&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. The ASC establishes a hierarchy for grouping assets and liabilities, based on the significance of inputs. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The estimated fair values of the Company's assets and liabilities measured on a recurring basis are determined using the market approach.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's Level&#160;2 money market funds are valued at the net asset value of shares held at the end of the period, based on published market quotations on active markets, or using other known sources including pricing from outside sources. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The estimated fair value of the Company's Level&#160;2 mortgage-backed securities and U.S. Treasury securities are based on comparable market transactions, other observable inputs or other sources, including pricing from outside sources.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The estimated fair value of the Company's Level&#160;2 insurance contract is based on contractual cash surrender values that are determined primarily by investments in managed separate accounts of the insurer. These amounts approximate fair value. The managed separate accounts are valued based on other observable inputs or corroborated market data.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Though the Company believes the methods used to estimate fair value are consistent with those used by other market participants, the use of other methods or assumptions could result in a different estimate of fair value. For the years ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, there were no transfers between Levels&#160;1 and 2.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's assets measured at fair value on a recurring basis were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;at December&#160;31, 2017, Using&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quoted Prices&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;in Active&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Markets for&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Identical&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(Level&#160;1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Observable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(Level&#160;2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unobservable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;3)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Money market funds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,965&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,965&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Insurance contract*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;77,388&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;77,388&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Available-for-sale securities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Mortgage-backed securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,217&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,217&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. Treasury securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;204&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;204&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets measured at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;94,774&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;94,774&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;The insurance contract invests approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;49&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in fixed-income investments, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;23&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of large-cap companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;14&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of mid-cap companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;11&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of small-cap companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;2&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in target date investments and &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;1&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in cash equivalents.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;at December&#160;31, 2016, Using&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quoted Prices&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;in Active&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Markets for&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Identical&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Observable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(Level&#160;2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unobservable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;3)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Money market funds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,602&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,602&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Insurance contract*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;70,921&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;70,921&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Available-for-sale securities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Mortgage-backed securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,449&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,449&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets measured at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;82,972&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;82,972&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:8.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;The insurance contract invests approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;52&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in fixed-income investments, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;22&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of large-cap companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;13&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of mid-cap companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;10&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of small-cap companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;1&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; percent in target date investments and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;2&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in cash equivalents.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company applies the provisions of the fair value measurement standard to its nonrecurring, non-financial measurements, including long-lived asset impairments. These assets are not measured at fair value on an ongoing basis but are subject to fair value adjustments only in certain circumstances. The Company reviews the carrying value of its long-lived assets, excluding goodwill, whenever events or changes in circumstances indicate that such carrying amounts may not be recoverable.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;During the second quarter of 2015, coalbed natural gas gathering assets at the pipeline and midstream segment were reviewed for impairment and found to be impaired and were written down to their estimated fair value using the income approach. Under this approach, fair value is determined by using the present value of future estimated cash flows. The factors used to determine the estimated future cash flows include, but are not limited to, internal estimates of gathering revenue, future commodity prices and operating costs and equipment salvage values. The estimated cash flows are discounted using a rate that approximates the weighted average cost of capital of a market participant. These fair value inputs are not typically observable. At June&#160;30, 2015, natural gas gathering assets were written down to the nonrecurring fair value measurement of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;During the third quarter of 2015, the Company was negotiating the sale of certain non-strategic natural gas gathering assets at the pipeline and midstream segment and as a result these assets were found to be impaired and were written down to their estimated fair value using the market approach. The estimated fair value of natural gas gathering assets that were impaired at September&#160;30, 2015, was largely determined by agreed upon pricing in a purchase and sale agreement that the Company was negotiating, and these assets were sold in the fourth quarter of 2015. At September&#160;30, 2015, natural gas gathering assets were written down to the nonrecurring fair value measurement of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$10.8&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The fair value of these natural gas gathering assets have been categorized as Level&#160;3 in the fair value hierarchy.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company performed a fair value assessment of the assets and liabilities classified as held for sale. For more information on these Level&#160;3 nonrecurring fair value measurements, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's long-term debt is not measured at fair value on the Consolidated Balance Sheets and the fair value is being provided for disclosure purposes only. The fair value was based on discounted future cash flows using current market interest rates. The estimated fair value of the Company's Level&#160;2 long-term debt at December&#160;31 was as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;Carrying&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;Amount&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;Fair&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;Value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Carrying&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Amount&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Long-term debt&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,714,853&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,826,256&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,790,159&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,841,885&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;The carrying amounts of the Company's remaining financial instruments included in current assets and current 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      id="TextSelection-683A858DD1B19D718CAFF94C9CED0BFC-0-wk-Fact-A5AC8F196F754955E61AF94C9CDEF4DD">Details of available-for-sale securities were as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:693px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:337px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Cost&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gross&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unrealized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gains&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gross&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unrealized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Losses&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Mortgage-backed securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,342&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;129&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,217&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. Treasury securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;205&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;204&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,547&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;130&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,421&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:693px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:337px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;December&#160;31, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Cost&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gross&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unrealized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gains&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Gross&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unrealized&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Losses&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Mortgage-backed securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,546&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;105&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,449&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,546&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;105&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,449&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:AvailableForSaleSecuritiesTextBlock>
    <us-gaap:AvailableForSaleSecuritiesAmortizedCost
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    <us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
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      unitRef="usd">4000</us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax>
    <us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
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      id="TextSelection-2089600EDA925273FBFDF94C9CED07DD-0-wk-Fact-6081E4B859C94DB0B55AF94C9CDED9BF">The Company's assets measured at fair value on a recurring basis were as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;at December&#160;31, 2017, Using&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quoted Prices&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;in Active&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Markets for&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Identical&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(Level&#160;1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Observable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(Level&#160;2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unobservable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;3)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Money market funds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,965&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,965&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Insurance contract*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;77,388&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;77,388&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Available-for-sale securities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Mortgage-backed securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,217&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,217&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. Treasury securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;204&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;204&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets measured at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;94,774&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;94,774&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;The insurance contract invests approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;49&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in fixed-income investments, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;23&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of large-cap companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;14&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of mid-cap companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;11&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of small-cap companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;2&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in target date investments and &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;1&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in cash equivalents.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;at December&#160;31, 2016, Using&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quoted Prices&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;in Active&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Markets for&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Identical&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Observable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(Level&#160;2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unobservable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;3)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Money market funds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,602&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,602&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Insurance contract*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;70,921&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;70,921&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Available-for-sale securities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Mortgage-backed securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,449&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,449&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets measured at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;82,972&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;82,972&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:8.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;The insurance contract invests approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;52&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in fixed-income investments, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;22&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of large-cap companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;13&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of mid-cap companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;10&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of small-cap companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;1&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; percent in target date investments and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;2&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade 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style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;</us-gaap:ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock>
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      id="d8047573e3191-wk-Fact-3ED98E13DA94EA8E52D8F94C9C906076"
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    <us-gaap:AssetsFairValueDisclosure
      contextRef="FI2016Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MortgageBackedSecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember"
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      id="d8047573e3205-wk-Fact-D13E180773C190EAFD1AF94C9C9F9861"
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    <us-gaap:AssetsFairValueDisclosure
      contextRef="FI2016Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MortgageBackedSecuritiesMember_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember"
      decimals="-3"
      id="d8047573e3219-wk-Fact-400C63C360DA5B79D30BF94C9C9F7D2A"
      unitRef="usd">0</us-gaap:AssetsFairValueDisclosure>
    <us-gaap:AssetsFairValueDisclosure
      contextRef="FI2016Q4_us-gaap_FairValueByAssetClassAxis_us-gaap_MortgageBackedSecuritiesMember_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember"
      decimals="-3"
      id="d8047573e3233-wk-Fact-CFCC46517364016D085FF94C9C9F3CAB"
      unitRef="usd">10449000</us-gaap:AssetsFairValueDisclosure>
    <us-gaap:AssetsFairValueDisclosure
      contextRef="FI2016Q4_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel1Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember"
      decimals="-3"
      id="d8047573e3259-wk-Fact-9C06F4492175D76B247CF94C9C9FD724"
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    <us-gaap:AssetsFairValueDisclosure
      contextRef="FI2016Q4_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel2Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember"
      decimals="-3"
      id="d8047573e3273-wk-Fact-6C0204EAE6DCB2385699F94C9C9F7360"
      unitRef="usd">82972000</us-gaap:AssetsFairValueDisclosure>
    <us-gaap:AssetsFairValueDisclosure
      contextRef="FI2016Q4_us-gaap_FairValueByFairValueHierarchyLevelAxis_us-gaap_FairValueInputsLevel3Member_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember"
      decimals="-3"
      id="d8047573e3287-wk-Fact-9D8CDA8EF2349C0C4FC3F94C9C9F008B"
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    <us-gaap:AssetsFairValueDisclosure
      contextRef="FI2016Q4_us-gaap_FairValueByMeasurementFrequencyAxis_us-gaap_FairValueMeasurementsRecurringMember"
      decimals="-3"
      id="d8047573e3302-wk-Fact-7FF1298F3B5EE888A790F94C9C9F3723"
      unitRef="usd">82972000</us-gaap:AssetsFairValueDisclosure>
    <mdu:PercentageInFixedIncomeAndOtherInvestments
      contextRef="FI2016Q4"
      decimals="2"
      id="d8047573e3322-wk-Fact-93EA45CFB294205203DCF94C9CDEC50F"
      unitRef="number">0.52</mdu:PercentageInFixedIncomeAndOtherInvestments>
    <mdu:PercentageInvestmentInCommonStockOfLargeCapCompanies
      contextRef="FI2016Q4"
      decimals="2"
      id="d8047573e3326-wk-Fact-12E2C9FD7838EF80688FF94C9CDE2F61"
      unitRef="number">0.22</mdu:PercentageInvestmentInCommonStockOfLargeCapCompanies>
    <mdu:PercentageInvestmentInCommonStockOfMidCapCompanies
      contextRef="FI2016Q4"
      decimals="2"
      id="d8047573e3330-wk-Fact-30EF2D5E74FB78F91B5BF94C9CDE46DD"
      unitRef="number">0.13</mdu:PercentageInvestmentInCommonStockOfMidCapCompanies>
    <mdu:PercentageInvestmentInCommonStockOfSmallCapCompanies
      contextRef="FI2016Q4"
      decimals="2"
      id="d8047573e3334-wk-Fact-2B90790D6D1AF8E1A4DFF94C9CDEE1CB"
      unitRef="number">0.10</mdu:PercentageInvestmentInCommonStockOfSmallCapCompanies>
    <mdu:PercentageInvestmentinTargetDateInvestments
      contextRef="FI2016Q4"
      decimals="2"
      id="d8047573e3338-wk-Fact-4678C19011E3E1469DCBF94C9CDEB9C9"
      unitRef="number">0.01</mdu:PercentageInvestmentinTargetDateInvestments>
    <mdu:PercentageInvestmentinCashandCashEquivalents
      contextRef="FI2016Q4"
      decimals="2"
      id="d8047573e3343-wk-Fact-0584E06E3E7B9718A3DEF94C9CDEE637"
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    <us-gaap:AssetsFairValueDisclosureNonrecurring
      contextRef="FI2015Q2_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember"
      decimals="-5"
      id="d8047573e3382-wk-Fact-9B83F4AEB536F8A5998A72D56FFAA305"
      unitRef="usd">1100000</us-gaap:AssetsFairValueDisclosureNonrecurring>
    <us-gaap:AssetsFairValueDisclosureNonrecurring
      contextRef="FI2015Q3_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember"
      decimals="-5"
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      contextRef="FD2017Q4YTD"
      id="TextSelection-D577871610FC05019CDDF94C9CEDADC1-0-wk-Fact-8860173E38E453A34CC4F94C9CDED9E7">The estimated fair value of the Company's Level&#160;2 long-term debt at December&#160;31 was as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;Carrying&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;Amount&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;Fair&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;Value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Carrying&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Amount&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Long-term debt&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,714,853&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,826,256&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,790,159&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,841,885&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:FairValueByBalanceSheetGroupingTextBlock>
    <us-gaap:LongTermDebt
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      decimals="-3"
      id="d8047573e3654-wk-Fact-2D83D01288E98F74C698F94C9C800F5A"
      unitRef="usd">1714853000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebtFairValue
      contextRef="FI2017Q4_us-gaap_FairValueByMeasurementBasisAxis_us-gaap_EstimateOfFairValueFairValueDisclosureMember"
      decimals="-3"
      id="d8047573e3668-wk-Fact-190F9DD83922F99E3A84F94C9CCEE137"
      unitRef="usd">1826256000</us-gaap:LongTermDebtFairValue>
    <us-gaap:LongTermDebt
      contextRef="FI2016Q4_us-gaap_FairValueByMeasurementBasisAxis_us-gaap_CarryingReportedAmountFairValueDisclosureMember"
      decimals="-3"
      id="d8047573e3682-wk-Fact-EF450BE4E2902E870D82F94C9CDE7E60"
      unitRef="usd">1790159000</us-gaap:LongTermDebt>
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      contextRef="FI2016Q4_us-gaap_FairValueByMeasurementBasisAxis_us-gaap_EstimateOfFairValueFairValueDisclosureMember"
      decimals="-3"
      id="d8047573e3697-wk-Fact-6803C066664C6DFD8606F94C9CCE5A9A"
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    <us-gaap:DebtDisclosureTextBlock
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      id="TextSelection-E5DFBDEDB73C044318E0F94C9CED08FC-0-wk-Fact-A000CEA99518EA216945F94C9CCE087D">Debt&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Certain debt instruments of the Company and its subsidiaries, including those discussed later, contain restrictive covenants and cross-default provisions. In order to borrow under the respective credit agreements, the Company and its subsidiaries must be in compliance with the applicable covenants and certain other conditions. In the event the Company and its subsidiaries do not comply with the applicable covenants and other conditions, alternative sources of funding may need to be pursued.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The following table summarizes the outstanding revolving credit facilities of the Company and its subsidiaries:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="20"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:22%;"/&gt;&lt;td style="width:3%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:6%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:3%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:3%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:3%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:3%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Company&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Facility&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Facility&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Limit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Amount Outstanding&#160;at December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Amount Outstanding&#160;at December&#160;31,&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Letters of&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Credit at December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Expiration&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Date&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="17" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In millions)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;MDU Resources Group, Inc.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Commercial paper/Revolving credit agreement&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;175.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;73.8&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;111.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5/8/19&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Cascade Natural Gas Corporation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Revolving credit agreement&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;75.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17.3&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2.2&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4/24/20&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Intermountain Gas Company&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Revolving credit agreement&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;85.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(e)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;40.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;20.9&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4/24/20&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Centennial Energy Holdings, Inc.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Commercial paper/Revolving credit agreement&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(f)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;500.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;14.6&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;151.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9/23/21&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;The commercial paper program is supported by a revolving credit agreement with various banks (provisions allow for increased borrowings, at the option of the Company on stated conditions, up to a maximum of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$225.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;). There were no amounts outstanding under the revolving credit agreement.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Amount outstanding under commercial paper program.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Certain provisions allow for increased borrowings, up to a maximum of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$100.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Outstanding letter(s) of credit reduce the amount available under the credit agreement.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(e)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Certain provisions allow for increased borrowings, up to a maximum of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$110.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(f)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;The commercial paper program is supported by a revolving credit agreement with various banks (provisions allow for increased borrowings, at the option of Centennial on stated conditions, up to a maximum of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$600.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;). There were no amounts outstanding under the revolving credit agreement.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's and Centennial's respective commercial paper programs are supported by revolving credit agreements. While the amount of commercial paper outstanding does not reduce available capacity under the respective revolving credit agreements, the Company and Centennial do not issue commercial paper in an aggregate amount exceeding the available capacity under their credit agreements. The commercial paper borrowings may vary during the period, largely the result of fluctuations in working capital requirements due to the seasonality of the construction businesses.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The following includes information related to the preceding table.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Long-term debt&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;MDU Resources Group, Inc. &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's revolving credit agreement supports its commercial paper program. Commercial paper borrowings under this agreement are classified as long-term debt as they are intended to be refinanced on a long-term basis through continued commercial paper borrowings.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The credit agreement contains customary covenants and provisions, including covenants of the Company not to permit, as of the end of any fiscal quarter, (A)&#160;the ratio of funded debt to total capitalization (determined on a consolidated basis) to be greater than &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;65&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent or (B)&#160;the ratio of funded debt to capitalization (determined with respect to the Company alone, excluding its subsidiaries) to be greater than &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;65&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent. Other covenants include limitations on the sale of certain assets and on the making of certain loans and investments.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;There are no credit facilities that contain cross-default provisions between the Company and any of its subsidiaries.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Cascade Natural Gas Corporation &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Any borrowings under the revolving credit agreement are classified as long-term debt as they are intended to be refinanced on a long-term basis through continued borrowings.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On April 25, 2017, Cascade amended its revolving credit agreement to increase the borrowing limit from &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$50.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; to &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$75.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and extend the termination date from July 9, 2018 to April 24, 2020. The credit agreement contains customary covenants and provisions, including a covenant of Cascade not to permit, at any time, the ratio of total debt to total capitalization to be greater than &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;65&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent. Other covenants include restrictions on the sale of certain assets, limitations on indebtedness and the making of certain investments.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Cascade's credit agreement also contains cross-default provisions. These provisions state that if Cascade fails to make any payment with respect to any indebtedness or contingent obligation, in excess of a specified amount, under any agreement that causes such indebtedness to be due prior to its stated maturity or the contingent obligation to become payable, Cascade will be in default under the revolving credit agreement. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Intermountain Gas Company &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Any borrowings under the revolving credit agreement are classified as long-term debt as they are intended to be refinanced on a long-term basis through continued borrowings.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On April 25, 2017, Intermountain amended its revolving credit agreement to increase the borrowing limit from &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$65.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; to &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$85.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and extend the termination date from July&#160;13, 2018 to April&#160;24, 2020. The credit agreement contains customary covenants and provisions, including a covenant of Intermountain not to permit, at any time, the ratio of total debt to total capitalization to be greater than &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;65&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent. Other covenants include restrictions on the sale of certain assets, limitations on indebtedness and the making of certain investments.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Intermountain's credit agreement also contains cross-default provisions. These provisions state that if Intermountain fails to make any payment with respect to any indebtedness or contingent obligation, in excess of a specified amount, under any agreement that causes such indebtedness to be due prior to its stated maturity or the contingent obligation to become payable, or certain conditions result in an early termination date under any swap contract that is in excess of a specified amount, then Intermountain will be in default under the revolving credit agreement.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Centennial Energy Holdings, Inc.&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; Centennial's revolving credit agreement supports its commercial paper program. Commercial paper borrowings under this agreement are classified as long-term debt as they are intended to be refinanced on a long-term basis through continued commercial paper borrowings.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Centennial's revolving credit agreement and certain debt outstanding under an expired uncommitted long-term master shelf agreement contain customary covenants and provisions, including a covenant of Centennial, not to permit, as of the end of any fiscal quarter, the ratio of total consolidated debt to total consolidated capitalization to be greater than &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;65&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent (for the revolving credit agreement) and a covenant of Centennial and certain of its subsidiaries, not to permit, as of the end of any fiscal quarter, the ratio of total debt to total capitalization to be greater than &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;60&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent (for the master shelf agreement). The master shelf agreement also includes a covenant that does not permit the ratio of Centennial's EBITDA to interest expense, for the 12-month period ended each fiscal quarter, to be less than &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;1.75&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; to 1. Other covenants include restricted payments, restrictions on the sale of certain assets, limitations on subsidiary indebtedness, minimum consolidated net worth, limitations on priority debt and the making of certain loans and investments.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Certain of Centennial's financing agreements contain cross-default provisions. These provisions state that if Centennial or any subsidiary of Centennial fails to make any payment with respect to any indebtedness or contingent obligation, in excess of a specified amount, under any agreement that causes such indebtedness to be due prior to its stated maturity or the contingent obligation to become payable, the applicable agreements will be in default.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;WBI Energy Transmission, Inc. &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;WBI Energy Transmission has a &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$200.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; uncommitted note purchase and private shelf agreement with an expiration date of May 16, 2019. WBI Energy Transmission had &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$100.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; of notes outstanding at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, which reduced the remaining capacity under this uncommitted private shelf agreement to &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$100.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. This agreement contains customary covenants and provisions, including a covenant of WBI Energy Transmission not to permit, as of the end of any fiscal quarter, the ratio of total debt to total capitalization to be greater than &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;55&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent. Other covenants include a limitation on priority debt and restrictions on the &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;sale of certain assets and the making of certain investments. On December&#160;22, 2017, WBI Energy Transmission contracted to issue an additional &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$40.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; under the private shelf agreement at an interest rate of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;4.18&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent on June&#160;15, 2018.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Long-term Debt Outstanding&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; Long-term debt outstanding was as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:93.10344827586206%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="9"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:57%;"/&gt;&lt;td style="width:14%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;Weighed Average Interest Rate at December 31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;December&#160;31, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Senior Notes due on dates ranging from June 19, 2018 to January&#160;15, 2055&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4.71&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,499,916&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,437,831&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Commercial paper supported by revolving credit agreements&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1.72&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;88,350&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;262,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Medium-Term Notes due on dates ranging from September&#160;1, 2020 to March&#160;16, 2029&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6.68&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;50,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;50,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other notes due on dates ranging from July 1, 2019 to November 30, 2038&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5.24&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;24,982&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24,471&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Credit agreements due on April 24, 2020&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.71&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;57,300&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;21,793&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less unamortized debt issuance costs&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5,694&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,832&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less discount&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;104&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total long-term debt&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,714,853&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,790,159&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less current maturities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;148,499&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;43,598&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net long-term debt&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,566,354&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,746,561&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Schedule of Debt Maturities &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Long-term debt maturities, which excludes unamortized debt issuance costs and discount, for the five years and thereafter following &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="19"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:28%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2019&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2020&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2021&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2022&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Thereafter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Long-term debt maturities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;148,499&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;125,504&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;73,012&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,312&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;147,214&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,211,007&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:DebtDisclosureTextBlock>
    <us-gaap:ScheduleOfLineOfCreditFacilitiesTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-259E70EB5FCCC4233456F94C9CEDED7A-0-wk-Fact-94AC6A569F401074D73FF94C9CCE0CD7">The following table summarizes the outstanding revolving credit facilities of the Company and its subsidiaries:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="20"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:22%;"/&gt;&lt;td style="width:3%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:6%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:3%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:3%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:3%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:3%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Company&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Facility&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Facility&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Limit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Amount Outstanding&#160;at December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Amount Outstanding&#160;at December&#160;31,&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Letters of&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Credit at December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Expiration&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Date&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="17" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In millions)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;MDU Resources Group, Inc.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Commercial paper/Revolving credit agreement&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;175.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;73.8&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;111.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5/8/19&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Cascade Natural Gas Corporation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Revolving credit agreement&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;75.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17.3&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2.2&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4/24/20&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Intermountain Gas Company&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Revolving credit agreement&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;85.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(e)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;40.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;20.9&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4/24/20&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Centennial Energy Holdings, Inc.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Commercial paper/Revolving credit agreement&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(f)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;500.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;14.6&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;151.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9/23/21&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;The commercial paper program is supported by a revolving credit agreement with various banks (provisions allow for increased borrowings, at the option of the Company on stated conditions, up to a maximum of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$225.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;). There were no amounts outstanding under the revolving credit agreement.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Amount outstanding under commercial paper program.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Certain provisions allow for increased borrowings, up to a maximum of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$100.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Outstanding letter(s) of credit reduce the amount available under the credit agreement.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(e)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Certain provisions allow for increased borrowings, up to a maximum of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$110.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(f)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;The commercial paper program is supported by a revolving credit agreement with various banks (provisions allow for increased borrowings, at the option of Centennial on stated conditions, up to a maximum of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$600.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;). 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      id="d8046358e1605-wk-Fact-B18A6ACCEDDA3BC9DD54F94C9C907947">2020-04-24</us-gaap:LineOfCreditFacilityExpirationDate1>
    <us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e1631-wk-Fact-613A408D36F74DBBD04475F804EACF17"
      unitRef="usd">85000000.0</us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity>
    <us-gaap:LineOfCredit
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e1650-wk-Fact-E4D8E8C597936B8E5429F94C9CCE1E96"
      unitRef="usd">40000000.0</us-gaap:LineOfCredit>
    <us-gaap:LineOfCredit
      contextRef="FI2016Q4_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e1670-wk-Fact-4A360155548F14A18335F94C9C908742"
      unitRef="usd">20900000</us-gaap:LineOfCredit>
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      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e1689-wk-Fact-0FDF6F462C0A8FEC8DCEF94C9C803590"
      unitRef="usd">0</us-gaap:LettersOfCreditOutstandingAmount>
    <us-gaap:LineOfCreditFacilityExpirationDate1
      contextRef="FD2017Q4YTD_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      id="d8046358e1703-wk-Fact-92C55DF6B7127FF81EF1F94C9C90A3A8">2020-04-24</us-gaap:LineOfCreditFacilityExpirationDate1>
    <us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CentennialEnergyHoldingsIncMember_us-gaap_CreditFacilityAxis_mdu_CommercialPaperRevolvingCreditAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e1729-wk-Fact-41E324C3D70F8B90113CF94C9C805183"
      unitRef="usd">500000000.0</us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity>
    <us-gaap:LineOfCredit
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CentennialEnergyHoldingsIncMember_us-gaap_CreditFacilityAxis_mdu_CommercialPaperRevolvingCreditAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e1748-wk-Fact-FC2A413EE1E2993C0559F94C9C80694B"
      unitRef="usd">14600000</us-gaap:LineOfCredit>
    <us-gaap:LineOfCredit
      contextRef="FI2016Q4_dei_LegalEntityAxis_mdu_CentennialEnergyHoldingsIncMember_us-gaap_CreditFacilityAxis_mdu_CommercialPaperRevolvingCreditAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e1768-wk-Fact-9D0F0FF815E3E12394F3F94C9CBF6EDC"
      unitRef="usd">151000000.0</us-gaap:LineOfCredit>
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      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CentennialEnergyHoldingsIncMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e1787-wk-Fact-F608819E04E88101C185F94C9C8052B7"
      unitRef="usd">0</us-gaap:LettersOfCreditOutstandingAmount>
    <us-gaap:LineOfCreditFacilityExpirationDate1
      contextRef="FD2017Q4YTD_dei_LegalEntityAxis_mdu_CentennialEnergyHoldingsIncMember_us-gaap_CreditFacilityAxis_mdu_CommercialPaperRevolvingCreditAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      id="d8046358e1801-wk-Fact-8743D37F378A0A9BDFDEF94C9C80322E">2021-09-23</us-gaap:LineOfCreditFacilityExpirationDate1>
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      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_MduResourcesGroupIncMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e1814-wk-Fact-BA47210931903CF6D8A5F94C9CCE0C20"
      unitRef="usd">225000000.0</mdu:OptionToIncreaseBorrowingsMaximumAmount>
    <mdu:OptionToIncreaseBorrowingsMaximumAmount
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CascadeNaturalGasCorporationMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e1848-wk-Fact-8FAD8126093497D6C89FF94C9CCEDC4E"
      unitRef="usd">100000000.0</mdu:OptionToIncreaseBorrowingsMaximumAmount>
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      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e1883-wk-Fact-666673A2613C3E673B85F94C9CCE8D3A"
      unitRef="usd">110000000.0</mdu:OptionToIncreaseBorrowingsMaximumAmount>
    <mdu:OptionToIncreaseBorrowingsMaximumAmount
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CentennialEnergyHoldingsIncMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e1902-wk-Fact-00409114AF2DAF67209BF94C9CCEA012"
      unitRef="usd">600000000.0</mdu:OptionToIncreaseBorrowingsMaximumAmount>
    <mdu:RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_MduResourcesGroupIncMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="2"
      id="d8046358e1998-wk-Fact-B6829FBA6D0E5FC13C8DF94C9CCEDBD7"
      unitRef="number">0.65</mdu:RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants>
    <mdu:RatioOfFundedDebtCapitalizationCompanyAloneAsSpecifiedInDebtConvenants
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_MduResourcesGroupIncMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="2"
      id="d8046358e2002-wk-Fact-4C6E6AED21B32E3520E1F94C9CCE6153"
      unitRef="number">0.65</mdu:RatioOfFundedDebtCapitalizationCompanyAloneAsSpecifiedInDebtConvenants>
    <mdu:FacilityLimitAmendedBorrowingCapacity
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CascadeNaturalGasCorporationMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e2017-wk-Fact-A4FC4F39A78E23085D467A04A7A8D8F6"
      unitRef="usd">50000000.0</mdu:FacilityLimitAmendedBorrowingCapacity>
    <us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CascadeNaturalGasCorporationMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e2021-wk-Fact-13AE00E0C804A48130227A01D18F3560"
      unitRef="usd">75000000.0</us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity>
    <mdu:RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CascadeNaturalGasCorporationMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="2"
      id="d8046358e2025-wk-Fact-EB6E198626E64880C0D27A2E4A1B8253"
      unitRef="number">0.65</mdu:RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants>
    <mdu:FacilityLimitAmendedBorrowingCapacity
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e2040-wk-Fact-06AE410923A1C4614E8A7A2C4B614AF6"
      unitRef="usd">65000000.0</mdu:FacilityLimitAmendedBorrowingCapacity>
    <us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e2044-wk-Fact-613A408D36F74DBBD04475F804EACF17"
      unitRef="usd">85000000.0</us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity>
    <mdu:RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_IntermountainGasCompanyMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="2"
      id="d8046358e2048-wk-Fact-76ADF3D8190BBBCA71F775F610374F25"
      unitRef="number">0.65</mdu:RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants>
    <mdu:RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CentennialEnergyHoldingsIncMember_us-gaap_CreditFacilityAxis_us-gaap_RevolvingCreditFacilityMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="2"
      id="d8046358e2064-wk-Fact-E6A962874E73A9E50315F94C9CCEA86D"
      unitRef="number">0.65</mdu:RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants>
    <mdu:RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CentennialEnergyHoldingsIncMember_us-gaap_CreditFacilityAxis_mdu_MasterShelfAgreementMemberMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="2"
      id="d8046358e2068-wk-Fact-CEE3E27A207DABBAAA6FF94C9CCE750F"
      unitRef="number">0.60</mdu:RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants>
    <mdu:RatioEbitdaToInterestExpense
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_CentennialEnergyHoldingsIncMember_us-gaap_CreditFacilityAxis_mdu_MasterShelfAgreementMemberMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="2"
      id="d8046358e2072-wk-Fact-3E4612B0FD6197FC6678F94C9CCECDF7"
      unitRef="number">1.75</mdu:RatioEbitdaToInterestExpense>
    <mdu:LongtermPrivateShelfAgreementIssuanceCapacity
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_WbiEnergyTransmissionIncMember_us-gaap_CreditFacilityAxis_mdu_UncommittedLongTermPrivateShelfAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e2084-wk-Fact-E26836A966953BCBE8DCF94C9CCE997C"
      unitRef="usd">200000000.0</mdu:LongtermPrivateShelfAgreementIssuanceCapacity>
    <us-gaap:NotesPayable
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_WbiEnergyTransmissionIncMember_us-gaap_CreditFacilityAxis_mdu_UncommittedLongTermPrivateShelfAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e2088-wk-Fact-2B9C28D28CEBB344358BF94C9CCE1653"
      unitRef="usd">100000000.0</us-gaap:NotesPayable>
    <us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_WbiEnergyTransmissionIncMember_us-gaap_CreditFacilityAxis_mdu_UncommittedLongTermPrivateShelfAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e2096-wk-Fact-52EA70A29C1221286139F94C9CCEEE4D"
      unitRef="usd">100000000.0</us-gaap:DebtInstrumentUnusedBorrowingCapacityAmount>
    <mdu:RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants
      contextRef="FI2017Q4_dei_LegalEntityAxis_mdu_WbiEnergyTransmissionIncMember_us-gaap_CreditFacilityAxis_mdu_UncommittedLongTermPrivateShelfAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="2"
      id="d8046358e2100-wk-Fact-F9FFCA05C733E307C49CF94C9CCEBFBC"
      unitRef="number">0.55</mdu:RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants>
    <mdu:ContractedtoIssueAdditionalDebt
      contextRef="I2017Q4D_dei_LegalEntityAxis_mdu_WbiEnergyTransmissionIncMember_us-gaap_CreditFacilityAxis_mdu_UncommittedLongTermPrivateShelfAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="-5"
      id="d8046358e2108-wk-Fact-48A7EAC751ACB6E7A5CE8BFFFECEF2DC"
      unitRef="usd">40000000.0</mdu:ContractedtoIssueAdditionalDebt>
    <us-gaap:LongtermDebtWeightedAverageInterestRate
      contextRef="I2017Q4D_dei_LegalEntityAxis_mdu_WbiEnergyTransmissionIncMember_us-gaap_CreditFacilityAxis_mdu_UncommittedLongTermPrivateShelfAgreementMember_us-gaap_DebtInstrumentAxis_us-gaap_LongTermDebtMember"
      decimals="4"
      id="d8046358e2112-wk-Fact-81885CF37B6D56571F748C0061DFDDB2"
      unitRef="number">0.0418</us-gaap:LongtermDebtWeightedAverageInterestRate>
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      contextRef="FD2017Q4YTD"
      id="TextSelection-24FDF3FBA13D955AAB61F94C9CED2EEA-0-wk-Fact-2B2680437D6411A23A6BF94C9CCEC6E0">Long-term debt outstanding was as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:93.10344827586206%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="9"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:57%;"/&gt;&lt;td style="width:14%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;Weighed Average Interest Rate at December 31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;December&#160;31, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Senior Notes due on dates ranging from June 19, 2018 to January&#160;15, 2055&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4.71&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,499,916&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,437,831&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Commercial paper supported by revolving credit agreements&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1.72&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;88,350&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;262,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Medium-Term Notes due on dates ranging from September&#160;1, 2020 to March&#160;16, 2029&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6.68&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;50,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;50,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other notes due on dates ranging from July 1, 2019 to November 30, 2038&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5.24&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;24,982&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24,471&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Credit agreements due on April 24, 2020&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.71&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;57,300&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;21,793&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less unamortized debt issuance costs&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5,694&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,832&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less discount&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;104&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total long-term debt&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,714,853&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,790,159&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less current maturities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;148,499&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;43,598&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net long-term debt&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,566,354&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,746,561&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfDebtInstrumentsTextBlock>
    <us-gaap:LongtermDebtWeightedAverageInterestRate
      contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_SeniorNotesMember"
      decimals="4"
      id="d8046358e2242-wk-Fact-15455961DDEDE105DDE68B2F734417A7"
      unitRef="number">0.0471</us-gaap:LongtermDebtWeightedAverageInterestRate>
    <us-gaap:LongTermDebt
      contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_SeniorNotesMember"
      decimals="-3"
      id="d8046358e2257-wk-Fact-2973BDCD5E3EE58D6BA8F94C9CBF64C9"
      unitRef="usd">1499916000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebt
      contextRef="FI2016Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_SeniorNotesMember"
      decimals="-3"
      id="d8046358e2271-wk-Fact-DEA1CF8104068AD6E383F94C9CCE4C12"
      unitRef="usd">1437831000</us-gaap:LongTermDebt>
    <us-gaap:LongtermDebtWeightedAverageInterestRate
      contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_CommercialPaperMember"
      decimals="4"
      id="d8046358e2286-wk-Fact-5E03C4C2125031B72B498B2F746C6ACE"
      unitRef="number">0.0172</us-gaap:LongtermDebtWeightedAverageInterestRate>
    <us-gaap:LongTermDebt
      contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_CommercialPaperMember"
      decimals="-3"
      id="d8046358e2296-wk-Fact-A184A7A8085EB05B6D05F94C9CDE2B7F"
      unitRef="usd">88350000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebt
      contextRef="FI2016Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_CommercialPaperMember"
      decimals="-3"
      id="d8046358e2310-wk-Fact-EC30E01E96C76E75B781F94C9CCEDED7"
      unitRef="usd">262000000</us-gaap:LongTermDebt>
    <us-gaap:LongtermDebtWeightedAverageInterestRate
      contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_MediumTermNotesMember"
      decimals="4"
      id="d8046358e2330-wk-Fact-526649FEC2FF3ACB315B8B2F763E8193"
      unitRef="number">0.0668</us-gaap:LongtermDebtWeightedAverageInterestRate>
    <us-gaap:LongTermDebt
      contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_MediumTermNotesMember"
      decimals="-3"
      id="d8046358e2340-wk-Fact-33648F283ACEB142F350F94C9C9025F5"
      unitRef="usd">50000000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebt
      contextRef="FI2016Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_MediumTermNotesMember"
      decimals="-3"
      id="d8046358e2354-wk-Fact-D002BB41C65DC2468935F94C9CCEBCAC"
      unitRef="usd">50000000</us-gaap:LongTermDebt>
    <us-gaap:LongtermDebtWeightedAverageInterestRate
      contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_NotesPayableToBanksMember"
      decimals="4"
      id="d8046358e2374-wk-Fact-17E416A030DAF1950B038B2F778ACCC0"
      unitRef="number">0.0524</us-gaap:LongtermDebtWeightedAverageInterestRate>
    <us-gaap:LongTermDebt
      contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_NotesPayableToBanksMember"
      decimals="-3"
      id="d8046358e2384-wk-Fact-B8D600F3756F8F38CA11F94C9C9F9E55"
      unitRef="usd">24982000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebt
      contextRef="FI2016Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_NotesPayableToBanksMember"
      decimals="-3"
      id="d8046358e2398-wk-Fact-A51C1B83AEA4AAE813C7F94C9C9095D3"
      unitRef="usd">24471000</us-gaap:LongTermDebt>
    <us-gaap:LongtermDebtWeightedAverageInterestRate
      contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_RevolvingCreditFacilityMember"
      decimals="4"
      id="d8046358e2418-wk-Fact-E6C5B31BECF3F2B9A3228B2F78D96CF1"
      unitRef="number">0.0371</us-gaap:LongtermDebtWeightedAverageInterestRate>
    <us-gaap:LongTermDebt
      contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_RevolvingCreditFacilityMember"
      decimals="-3"
      id="d8046358e2428-wk-Fact-4120C3A9B8F471B2B5D3F94C9CCEDC54"
      unitRef="usd">57300000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebt
      contextRef="FI2016Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_RevolvingCreditFacilityMember"
      decimals="-3"
      id="d8046358e2442-wk-Fact-D16AA104EBB5207F10DBF94C9CDE78A6"
      unitRef="usd">21793000</us-gaap:LongTermDebt>
    <us-gaap:DeferredFinanceCostsNet
      contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_LongTermDebtMember"
      decimals="-3"
      id="d8046358e2472-wk-Fact-77AD5D5C0DF19AB003FAF94C9CCE7F5E"
      unitRef="usd">5694000</us-gaap:DeferredFinanceCostsNet>
    <us-gaap:DeferredFinanceCostsNet
      contextRef="FI2016Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_LongTermDebtMember"
      decimals="-3"
      id="d8046358e2486-wk-Fact-208CD0D3787C0FD3E555F94C9CCE8FD3"
      unitRef="usd">5832000</us-gaap:DeferredFinanceCostsNet>
    <us-gaap:DebtInstrumentUnamortizedDiscount
      contextRef="FI2017Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_LongTermDebtMember"
      decimals="-3"
      id="d8046358e2516-wk-Fact-E8E09B180F5BB78A54AAF94C9CBF3746"
      unitRef="usd">1000</us-gaap:DebtInstrumentUnamortizedDiscount>
    <us-gaap:DebtInstrumentUnamortizedDiscount
      contextRef="FI2016Q4_us-gaap_LongtermDebtTypeAxis_us-gaap_LongTermDebtMember"
      decimals="-3"
      id="d8046358e2530-wk-Fact-1779099F7FCE0F465534F94C9CDE8388"
      unitRef="usd">104000</us-gaap:DebtInstrumentUnamortizedDiscount>
    <us-gaap:LongTermDebt
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8046358e2560-wk-Fact-CA7628CF327AACC72626F94C9C9F203C"
      unitRef="usd">1714853000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebt
      contextRef="FI2016Q4"
      decimals="-3"
      id="d8046358e2574-wk-Fact-E4B340B5C04CED955463F94C9CDE2795"
      unitRef="usd">1790159000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebtCurrent
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8046358e2604-wk-Fact-387B9093FBC12D8D7344F94C9CDE7309"
      unitRef="usd">148499000</us-gaap:LongTermDebtCurrent>
    <us-gaap:LongTermDebtCurrent
      contextRef="FI2016Q4"
      decimals="-3"
      id="d8046358e2618-wk-Fact-90778456490CE456F2A9F94C9C9F7BC4"
      unitRef="usd">43598000</us-gaap:LongTermDebtCurrent>
    <us-gaap:LongTermDebtNoncurrent
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8046358e2654-wk-Fact-CDD865FD11FF1B64575CF94C9C9FE6E4"
      unitRef="usd">1566354000</us-gaap:LongTermDebtNoncurrent>
    <us-gaap:LongTermDebtNoncurrent
      contextRef="FI2016Q4"
      decimals="-3"
      id="d8046358e2668-wk-Fact-0AAF097B59D460703A3BF94C9CDEFFD2"
      unitRef="usd">1746561000</us-gaap:LongTermDebtNoncurrent>
    <us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-2E340E42EFEEA8CEA92DF94C9CEDF5A6-0-wk-Fact-C8E23FAAE785C7561BDBF94C9CCED676">Schedule of Debt Maturities &lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Long-term debt maturities, which excludes unamortized debt issuance costs and discount, for the five years and thereafter following &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="19"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:28%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2019&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2020&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2021&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2022&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Thereafter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Long-term debt maturities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;148,499&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;125,504&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;73,012&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,312&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;147,214&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,211,007&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8046358e2926-wk-Fact-EDC11F1E1C13ECD6F1D2F94C9CCE74E0"
      unitRef="usd">148499000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8046358e2940-wk-Fact-649CD30CCBA93116D6ECF94C9CBF31F0"
      unitRef="usd">125504000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8046358e2954-wk-Fact-30BED30F993DEEFC03C0F94C9CDEABA4"
      unitRef="usd">73012000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8046358e2969-wk-Fact-2E5977FDE9133B0879B4F94C9CDEF75A"
      unitRef="usd">15312000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8046358e2983-wk-Fact-E70411C3DDD9D5675A02F94C9CBF9DDA"
      unitRef="usd">147214000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive>
    <us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
      contextRef="FI2017Q4"
      decimals="-3"
      id="d8046358e2997-wk-Fact-6C17CFEF09C2E4117B95F94C9CCE5BC1"
      unitRef="usd">1211007000</us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive>
    <us-gaap:AssetRetirementObligationDisclosureTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-9DD51B7F8EB084324E70F94C9CED5284-0-wk-Fact-01F27F4D46AD01B9B651F94C9C9F2FED">Asset Retirement Obligations&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company records obligations related to retirement costs of natural gas distribution mains and lines, natural gas transmission lines, storage facilities, decommissioning of certain electric generating facilities, reclamation of certain aggregate properties, special handling and disposal of hazardous materials at certain electric generating facilities, natural gas distribution facilities and buildings, and certain other obligations as asset retirement obligations.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;A reconciliation of the Company's liability, which is included in other accrued liabilities and deferred credits and other liabilities - other on the Consolidated Balance Sheets, for the years ended December&#160;31 was as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:66%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Balance at beginning of year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;314,970&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;242,224&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Liabilities incurred&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;15,110&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,114&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Liabilities settled&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(4,981&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(4,338&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Accretion expense*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;16,839&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,918&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Revisions in estimates&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;31&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;48,052&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Balance at end of year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;341,969&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;314,970&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:8.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Includes &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$15.6&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$12.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; in 2017 and 2016, respectively, related to regulatory assets.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The 2016 revisions in estimates consist principally of updated asset retirement obligation costs associated with natural gas transmission lines and storage facilities at the pipeline and midstream segment. &lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company believes that largely all expenses related to asset retirement obligations at the Company's regulated operations will be recovered in rates over time and, accordingly, defers such expenses as regulatory assets. For more information on the Company's regulatory assets and liabilities, see Note &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;4&lt;/span&gt;.</us-gaap:AssetRetirementObligationDisclosureTextBlock>
    <us-gaap:ScheduleOfChangeInAssetRetirementObligationTableTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-1B04C3F78D96BAD2C707F94C9CED4AE5-0-wk-Fact-5146AB9E047C0D0A3E38F94C9C9F4C4C">A reconciliation of the Company's liability, which is included in other accrued liabilities and deferred credits and other liabilities - other on the Consolidated Balance Sheets, for the years ended December&#160;31 was as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:66%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Balance at beginning of year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;314,970&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;242,224&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Liabilities incurred&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;15,110&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,114&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Liabilities settled&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(4,981&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(4,338&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Accretion expense*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;16,839&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,918&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Revisions in estimates&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;31&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;48,052&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Balance at end of year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;341,969&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;314,970&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:8.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Includes &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$15.6&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$12.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; in 2017 and 2016, respectively, related to regulatory assets.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfChangeInAssetRetirementObligationTableTextBlock>
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      unitRef="usd">314970000</us-gaap:AssetRetirementObligation>
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      unitRef="usd">242224000</us-gaap:AssetRetirementObligation>
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      id="d8034298e1298-wk-Fact-563624FBDB7C083A4FA2F94C9C905D46"
      unitRef="usd">15110000</us-gaap:AssetRetirementObligationLiabilitiesIncurred>
    <us-gaap:AssetRetirementObligationLiabilitiesIncurred
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      id="d8034298e1312-wk-Fact-ABF14A2FF17E14AA8531F94C9C9F6282"
      unitRef="usd">15114000</us-gaap:AssetRetirementObligationLiabilitiesIncurred>
    <us-gaap:AssetRetirementObligationLiabilitiesSettled
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      id="d8034298e1332-wk-Fact-2F93ACC2EF6489833F1DF94C9CCE5875"
      unitRef="usd">4981000</us-gaap:AssetRetirementObligationLiabilitiesSettled>
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      contextRef="FD2016Q4YTD"
      decimals="-3"
      id="d8034298e1347-wk-Fact-F7C872253BCEF8C34E2EF94C9CBF92AA"
      unitRef="usd">4338000</us-gaap:AssetRetirementObligationLiabilitiesSettled>
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      id="d8034298e1368-wk-Fact-678F6A02CC272773663C525C79CECBC0"
      unitRef="usd">16839000</us-gaap:AssetRetirementObligationAccretionExpense>
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      id="d8034298e1382-wk-Fact-2138531C3ABD2DFA5BFEF94C9CBFBD4A"
      unitRef="usd">13918000</us-gaap:AssetRetirementObligationAccretionExpense>
    <us-gaap:AssetRetirementObligationRevisionOfEstimate
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      id="d8034298e1402-wk-Fact-009BAC897C0C4289A684F94C9CCE4FDE"
      unitRef="usd">31000</us-gaap:AssetRetirementObligationRevisionOfEstimate>
    <us-gaap:AssetRetirementObligationRevisionOfEstimate
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      id="d8034298e1416-wk-Fact-CC5B7278F60A768CB4BBF94C9CBF1B46"
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      id="d8034298e1441-wk-Fact-E3C3B57985B6F152B5B1F94C9CDE4558"
      unitRef="usd">341969000</us-gaap:AssetRetirementObligation>
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      id="d8034298e1455-wk-Fact-0CF37C42883ED74013F5F94C9CBF3EE6"
      unitRef="usd">314970000</us-gaap:AssetRetirementObligation>
    <us-gaap:AccretionExpenseIncludingAssetRetirementObligations
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      id="d8034298e1475-wk-Fact-391B9F87FF6E87C161957839B2DA7FB3"
      unitRef="usd">15600000</us-gaap:AccretionExpenseIncludingAssetRetirementObligations>
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      id="d8034298e1479-wk-Fact-F181653BB22CA3796876783A0E2FC268"
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      id="TextSelection-B09986D5A66533A0635BF94C9CEDE7F6-0-wk-Fact-B7171F38C00EADB6EBF6F94C9C9FB316">Preferred Stocks&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Preferred stocks at December&#160;31 were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:66%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands, except shares&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;and per share amounts)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Authorized:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Preferred -&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;500,000 shares, cumulative, par value $100, issuable in series&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Preferred stock A -&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:18px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;1,000,000 shares, cumulative, without par value, issuable in series (none outstanding)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Preference -&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:18px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;500,000 shares, cumulative, without par value, issuable in series (none outstanding)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Outstanding:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;4.50% Series - 100,000 shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;4.70% Series - 50,000 shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total preferred stocks&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;For the years &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, dividends declared on the &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;4.50%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; Series and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;4.70%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; Series preferred stocks were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$4.50&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$4.70&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; per share, respectively. On April 1, 2017, the Company redeemed all outstanding &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;4.50%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; Series and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;4.70%&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; Series preferred stocks at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$105&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; per share and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$102&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; per share, respectively, for a repurchase price of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$15.6&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$300,000&lt;/span&gt;&lt;/span&gt; of redeemable preferred stock classified as long-term debt.</us-gaap:PreferredStockTextBlock>
    <mdu:PreferredStockTableTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-EF04414F614D4731AC22F94C9CEDDF07-0-wk-Fact-3BE879E8898D327EB27EF94C9CAFE211">Preferred stocks at December&#160;31 were as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:66%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands, except shares&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;and per share amounts)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Authorized:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Preferred -&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;500,000 shares, cumulative, par value $100, issuable in series&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Preferred stock A -&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:18px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;1,000,000 shares, cumulative, without par value, issuable in series (none outstanding)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Preference -&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:18px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;500,000 shares, cumulative, without par value, issuable in series (none outstanding)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Outstanding:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;4.50% Series - 100,000 shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;4.70% Series - 50,000 shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total preferred stocks&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade 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      id="d8034775e1699-wk-Fact-81079C6CA01A22367A5B51BD2631E2F9"
      unitRef="usd">15600000</us-gaap:PaymentsForRepurchaseOfRedeemablePreferredStock>
    <mdu:RedeemablePreferredStockClassifiedasLongTermDebt
      contextRef="D2017Q1"
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      id="d8034775e1704-wk-Fact-B4AF67D0D1C6A0E4E99251BDD28B6C44"
      unitRef="usd">300000</mdu:RedeemablePreferredStockClassifiedasLongTermDebt>
    <mdu:CommonStockDisclosureTextBlock
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      id="TextSelection-3FD7AD48BF8EDA7401FBF94C9CED2FB6-0-wk-Fact-67C1FF78A7BAE31A620DF94C9CDEFEA1">Common Stock &lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;For the years &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, dividends declared on common stock were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$.7750&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$.7550&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$.7350&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; per common share, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Stock Purchase Plan provided interested investors the opportunity to make optional cash investments and to reinvest all or a percentage of their cash dividends in shares of the Company's common stock. The K-Plan provides participants the option to invest in the Company's common stock. From January 2015 through August 2015, the Stock Purchase Plan and K-Plan, with respect to Company stock, purchased shares of authorized but unissued common stock from the Company. From September 2015 through December 2017, the K-Plan purchased shares of common stock on the open market. At &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, there were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;7.8&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; shares of common stock reserved for original issuance under the K-Plan. From September 2015 through December 4, 2016, the Stock Purchase Plan purchased shares of common stock on the open market. On December&#160;5, 2016, the Stock Purchase Plan was terminated and all remaining shares reserved for original issuance under the plan were de-registered.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company depends on earnings from its divisions and dividends from its subsidiaries to pay dividends on common stock. The declaration and payment of dividends is at the sole discretion of the board of directors, subject to limitations imposed by the Company's credit agreements, federal and state laws, and applicable regulatory limitations. In addition, the Company and Centennial are generally restricted to paying dividends out of capital accounts or net assets. The following discusses the most restrictive limitations.&lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Pursuant to a covenant under a credit agreement, Centennial may only declare or pay distributions if as of the last day of any fiscal quarter, the ratio of Centennial's average consolidated indebtedness as of the last day of such fiscal quarter and each of the preceding three fiscal quarters to Centennial's Consolidated EBITDA does not exceed &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;3&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; to 1; and after giving effect to such distribution, all distributions made during the 12-month period ending on the last day of the fiscal quarter in which such distribution is made will not exceed the remainder of Centennial's Consolidated EBITDA minus Centennial's capital expenditures less the net cash proceeds from all sales of capital assets from continuing operations, for the immediately preceding 12-month period. Intermountain has regulatory limitations on the amount of dividends it can pay. Based on these limitations, approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.3&#160;billion&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; of the net assets of the Company's subsidiaries were restricted from being used to transfer funds to the Company at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. In addition, the Company's credit agreement also contains restrictions on dividend payments. The most restrictive limitation requires the Company not to permit the ratio of funded debt to capitalization (determined with respect to the Company alone, excluding its subsidiaries) to be greater than &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;65&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent. Based on this limitation, approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$384&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; of the Company's (excluding its subsidiaries) net assets, which represents common stockholders' equity including retained earnings, would be restricted from use for dividend payments at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;. In addition, state regulatory commissions may require the Company to maintain certain capitalization ratios. These requirements are not expected to affect the Company's ability to pay dividends in the near term.</mdu:CommonStockDisclosureTextBlock>
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      unitRef="usdPerShare">0.7750</us-gaap:CommonStockDividendsPerShareDeclared>
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      contextRef="FD2016Q4YTD"
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      id="d8029520e1179-wk-Fact-A8BAC94BACCA646A5EB4517F8C318288"
      unitRef="usdPerShare">0.7550</us-gaap:CommonStockDividendsPerShareDeclared>
    <us-gaap:CommonStockDividendsPerShareDeclared
      contextRef="FD2015Q4YTD"
      decimals="4"
      id="d8029520e1184-wk-Fact-7D0DA5DAA2A144D11336F94C9C9F38FF"
      unitRef="usdPerShare">0.7350</us-gaap:CommonStockDividendsPerShareDeclared>
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      id="d8029520e1195-wk-Fact-F02E11A8F1BD310CA04EF94C9CCE37BF"
      unitRef="shares">7800000</us-gaap:CommonStockCapitalSharesReservedForFutureIssuance>
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      id="d8029520e1205-wk-Fact-AC37D825ECCCA2F3355FF94C9CCE0CA1"
      unitRef="number">3</mdu:MaximumDistributionsToTheCompanyAsARatioOfAverageConsolidatedIndebtednessToConsolidatedEBITDA>
    <us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries
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      id="d8029520e1209-wk-Fact-567E2A44B739EAAED300F94C9CDE155F"
      unitRef="usd">1300000000</us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries>
    <mdu:RatioOfEarningsBeforeInterestAndTaxesToInterestExpenseAsSpecifiedInDebtConvenants
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      id="d8029520e1217-wk-Fact-1E1A86B3772BD78F84D4F94C9C9FC4AF"
      unitRef="number">0.65</mdu:RatioOfEarningsBeforeInterestAndTaxesToInterestExpenseAsSpecifiedInDebtConvenants>
    <mdu:CompanysExcludingItsSubsidiariesNetAssetsRestrictedFromUseForDividendPayments
      contextRef="FI2017Q4"
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      id="d8029520e1221-wk-Fact-1CB25BA818E0F65DB43AF94C9C90EC85"
      unitRef="usd">384000000</mdu:CompanysExcludingItsSubsidiariesNetAssetsRestrictedFromUseForDividendPayments>
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      id="TextSelection-40583C1666066DA02906F94C9CED957E-0-wk-Fact-ECCA200D06BA3A25E833F94C9C90C7BC">Stock-Based Compensation&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company has several stock-based compensation plans under which it is currently authorized to grant restricted stock and other stock awards. As of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, there were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;5.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; remaining shares available to grant under these plans. The Company generally purchases shares on the open market for non-employee director stock awards. The Company purchased shares on the open market for the employee performance shares that vested in 2017. The Company anticipates future employee performance share awards will continue to be satisfied by purchasing shares on the open market.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Total stock-based compensation expense (after tax) was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$2.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$3.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$2.9&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;As of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, total remaining unrecognized compensation expense related to stock-based compensation was approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$4.8&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; (before income taxes) which will be amortized over a weighted average period of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;1.5&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;years.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Stock awards&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Non-employee directors receive shares of common stock in addition to and in lieu of cash payment for directors' fees. Shares of common stock were issued under the non-employee director stock compensation plan or the non-employee director long-term incentive compensation plan. There were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;40,572&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;shares with a fair value of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;37,218&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;shares with a fair value of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;58,181&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;shares with a fair value of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; issued under these plans during the years ended December&#160;31, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Performance share awards&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Since 2003, key employees of the Company have been awarded performance share awards each year. Entitlement to performance shares is based on the Company's total shareholder return over designated performance periods as measured against a selected peer group.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Target grants of performance shares outstanding at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:515px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="4"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:337px;"/&gt;&lt;td style="width:89px;"/&gt;&lt;td style="width:86px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;Grant Date&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Performance&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Period&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Target Grant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;of Shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;February 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:normal;"&gt;2016-2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;258,825&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;March 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:normal;"&gt;2016-2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,151&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;February 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2017-2019&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;164,558&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Participants may earn from &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;zero&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; to &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;200&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent of the target grant of shares based on the Company's total shareholder return relative to that of the selected peer group. Compensation expense is based on the grant-date fair value as determined by Monte Carlo simulation. The blended volatility term structure ranges are comprised of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;50&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent historical volatility and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;50&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent implied volatility. Risk-free interest rates were based on U.S. Treasury security rates in effect as of the grant date. Assumptions used for grants of performance shares issued in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; were:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:696px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="19"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:266px;"/&gt;&lt;td style="width:64px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:22px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:32px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:61px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:22px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:31px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:60px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:22px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:31px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Weighted average grant-date fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;$24.31&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;$14.60&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;$18.98&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Blended volatility range&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;22.70&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;25.56&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;29.25&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;32.51&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;22.86&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24.61&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Risk-free interest rate range&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.69&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1.61&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.47&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.92&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.05&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1.07&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Weighted average discounted dividends per share&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;$1.70&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;$1.56&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;$1.57&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The fair value of the performance shares that vested during the years ended December&#160;31, 2017 and 2016, was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$9.6&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$953,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively. There were no performance shares that vested in 2015.&lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;A summary of the status of the performance share awards for the year ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, was as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="6"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:72%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Number of&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Weighted&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Average&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Grant-Date&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Nonvested at beginning of period&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;664,188&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;21.47&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Granted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;203,646&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24.31&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Additional performance shares earned&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;81,643&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;19.22&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Vested&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;360,319&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24.88&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Forfeited&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;163,624&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24.46&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Nonvested at end of period&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;425,534&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;18.35&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock>
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#000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;Grant Date&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Performance&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Period&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Target Grant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;of Shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;February 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade 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      id="d8042465e1397-wk-Fact-093EF6B311F214B9EBE3F94C9CCE644B"
      unitRef="number">0.50</mdu:HistoricalVolitilityRate>
    <mdu:ImpliedVolatilityRate
      contextRef="FD2017Q4YTD_us-gaap_AwardTypeAxis_us-gaap_PerformanceSharesMember"
      decimals="2"
      id="d8042465e1401-wk-Fact-913FFA1DEF2D5DEFD7B2F94C9CCEB163"
      unitRef="number">0.50</mdu:ImpliedVolatilityRate>
    <us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-DCA13A6B349639E756B8F94C9CED9D0C-0-wk-Fact-CA204A6A4CDC657F1285F94C9CCEA64A">Assumptions used for grants of performance shares issued in &lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; were:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:696px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="19"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:266px;"/&gt;&lt;td style="width:64px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:22px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:32px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:61px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:22px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:31px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:60px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:22px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:31px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Weighted average grant-date fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;$24.31&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;$14.60&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;$18.98&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Blended volatility range&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;22.70&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;25.56&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;29.25&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;32.51&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;22.86&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24.61&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Risk-free interest rate range&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.69&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1.61&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.47&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.92&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.05&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1.07&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td 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#000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Number of&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid 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style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Nonvested at beginning of period&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;664,188&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;21.47&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Granted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;203,646&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24.31&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Additional performance shares earned&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;81,643&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;19.22&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Vested&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;360,319&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24.88&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Forfeited&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;163,624&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24.46&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Nonvested at end of period&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;425,534&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade 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      id="TextSelection-FD345D7678DA9FEEA42AF94C9CED5CBC-0-wk-Fact-11A1D6B0EC69CD31FCC0F94C9C9F585D">Income Taxes&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The components of income before income taxes from continuing operations for each of the years ended December&#160;31 were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:61%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;United States&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;350,064&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;326,252&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;248,379&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Foreign&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(37&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(24&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,326&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income before income taxes from continuing operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;350,027&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;326,228&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;247,053&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Income tax expense from continuing operations for the years ended December&#160;31 was as follows: &lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:61%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Current:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Federal&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;74,272&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;81,989&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;85,897&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;State&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;16,192&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,190&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,093&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Foreign&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;30&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;90,464&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;95,181&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;96,020&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income taxes:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Federal&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(24,497&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2,102&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(19,632&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;State&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(864&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,184&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(5,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Investment tax credit - net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(62&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,131&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(420&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(25,423&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2,049&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(25,356&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total income tax expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;65,041&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;93,132&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;70,664&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In accordance with the accounting guidance on accounting for income taxes, the tax effects of the change in tax laws or rates are to be recorded in the period of enactment. The TCJA was enacted on December 22, 2017, as discussed in Note &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;1&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. Therefore, the reduction in the corporate tax rate from 35&#160;percent to 21&#160;percent required the Company to prepare a one-time revaluation of the Company's deferred tax assets and liabilities in the fourth quarter of 2017, the period of enactment. The deferred taxes were revalued at the new tax rate because deferred taxes should reflect what the Company expects to pay or receive in future periods under the applicable tax rate. As a result of the revaluation, the Company reduced the value of these assets and liabilities and recorded a tax benefit from continuing operations of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$39.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; on the Consolidated Statements of Income for the year ended December 31, 2017. Included in the tax benefit from continuing operations was income tax expense of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$7.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; related to amounts in accumulated other comprehensive loss and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; related to the Company's assets held for sale.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's regulated operations prepared a one-time revaluation of the Company's regulatory deferred tax assets and liabilities in the fourth quarter of 2017 related to the enactment of the TCJA. The revaluation is being deferred under regulatory accounting as the Company works with the various regulators on a plan for amounts expected to be returned to customers, as discussed in Notes &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;4&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;16&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. The revaluation of the deferred tax assets and liabilities resulted in a net decrease of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$285.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in the fourth quarter of 2017. These regulatory amounts are expected to generally be refunded over the remaining life of the related assets as prescribed in the TCJA. The approved regulatory treatment of the impacts of the TCJA by the various regulators may affect the analyses performed.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The changes included in the TCJA are broad and complex. While the Company was able to make reasonable estimates of the impact of the reduction in corporate tax rate on the Company's net deferred tax liabilities, it may be affected by other analyses related to the TCJA, including, but not limited to, the state tax effect of adjustments to federal temporary differences and the calculation of deemed repatriation of deferred foreign income. The final transition impacts of the TCJA may differ from amounts disclosed, possibly materially, due to, among other things, changes in interpretations, legislative action to address questions, changes in accounting standards for income taxes or related interpretations, or updates or changes to estimates the Company has utilized to calculate the transition impacts. The SEC has issued rules that would allow for a measurement period of up to one year after the enactment date of the TCJA to finalize the recording of the related tax impacts. The Company currently anticipates finalizing and recording any resulting adjustments by December&#160;31, 2018, which will be included in income from continuing operations.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Components of deferred tax assets and deferred tax liabilities at December&#160;31 were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:70%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:52px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred tax assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Postretirement&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;55,736&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;87,872&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Compensation-related&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;16,298&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;44,995&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Alternative minimum tax credit carryforward&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;37,683&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;29,338&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Federal renewable energy credit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;19,367&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;16,944&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Customer advances&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;8,712&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,524&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Legal and environmental contingencies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7,363&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,895&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Asset retirement obligations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6,380&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8,867&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;35,738&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;46,957&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total deferred tax assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;187,277&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;258,392&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred tax liabilities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Depreciation and basis differences on property, plant and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;429,577&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;774,838&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Postretirement&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;43,505&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;70,670&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Intangible asset amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;16,979&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;26,413&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;32,591&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;45,580&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total deferred tax liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;522,652&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;917,501&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Valuation allowance&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;11,896&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,117&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net deferred income tax liability&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;347,271&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;668,226&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;As of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, the Company had various state income tax net operating loss carryforwards of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$130.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$114.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively, and federal and state income tax credit carryforwards, excluding alternative minimum tax credit carryforwards, of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$52.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$43.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively. Included in the state credits are various regulatory investment tax credits of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$28.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$20.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively. The federal income tax credit carryforwards expire in 2036 and 2037 if not utilized and state income tax credit carryforwards are due to expire between 2018 and 2045. It is likely that a portion of the benefit from the state carryforwards will not be realized; therefore, valuation allowances have been provided. Changes in tax regulations or assumptions regarding current and future taxable income could require additional valuation allowances in the future. The alternative minimum tax credit carryforwards are refundable. For information regarding net operating loss carryforwards and valuation allowances related to discontinued operations, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The following table reconciles the change in the net deferred income tax liability from &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, to &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, to deferred income tax benefit:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="4"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:83%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Change in net deferred income tax liability from the preceding table&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(320,955&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred taxes associated with other comprehensive loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,182&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred taxes associated with TCJA enactment for regulated activities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;285,520&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;8,830&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred income tax benefit for the period&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(25,423&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Total income tax expense differs from the amount computed by applying the statutory federal income tax rate to income before taxes. The reasons for this difference were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:52%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:5%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:5%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:5%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Years ended December&#160;31,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;Amount&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Amount&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Amount&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="15" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(Dollars in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Computed tax at federal statutory rate&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;122,509&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;35.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;114,179&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;35.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;86,468&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;35.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Increases (reductions) resulting from:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;State income taxes, net of federal income tax&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;10,724&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.1&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,027&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2.8&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8,208&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3.3&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Federal renewable energy credit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(13,958&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(4.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(13,544&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(4.2&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,400&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1.4&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Tax compliance and uncertain tax positions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(643&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(.2&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,028&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.9&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2,607&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Domestic production deduction&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(6,849&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(2.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,251&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1.9&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,842&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2.8&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;TCJA revaluation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(47,242&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(13.5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;TCJA revaluation related to accumulated other comprehensive loss balance&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7,735&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2.2&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(7,235&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(2.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(7,251&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2.3&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(11,163&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(4.5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total income tax expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;65,041&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;18.6&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;93,132&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;28.5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;70,664&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;28.6&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Included in the TCJA is the deemed repatriation transition tax which is a one-time transition tax on previously untaxed accumulated earnings and profits of certain foreign operations that is payable over 8&#160;years. At December 31, 2017, the Company's liability for the deemed repatriation transition tax was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$447,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. Historically, deferred income taxes were accrued with respect to the Company's foreign operations.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company and its subsidiaries file income tax returns in the U.S. federal jurisdiction, and various state, local and foreign jurisdictions. The Company is no longer subject to U.S. federal or non-U.S. income tax examinations by tax authorities for years ending prior to 2014. With few exceptions, as of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, the Company is no longer subject to state and local income tax examinations by tax authorities for years ending prior to 2013.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company had no unrecognized tax benefits (excluding interest) for the years ended December&#160;31, 2017, 2016 and 2015.&lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Included in income tax expense is interest on uncertain tax positions. For the years ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, the Company recognized approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$(99,000)&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$(92,000)&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$122,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively, of interest (income) expense in income tax expense. At &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, the Company had accrued receivables of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$46,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$54,000&lt;/span&gt;&lt;/span&gt;, respectively, for interest.</us-gaap:IncomeTaxDisclosureTextBlock>
    <us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-C052874251E95991D6E9F94C9CED159F-0-wk-Fact-1A366F61A13C367400C6F94C9CAFC5DE">The components of income before income taxes from continuing operations for each of the years ended December&#160;31 were as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:61%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;United States&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;350,064&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;326,252&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;248,379&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Foreign&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(37&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(24&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,326&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income before income taxes from continuing operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;350,027&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;326,228&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;247,053&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
      contextRef="FD2017Q4YTD"
      decimals="-3"
      id="d8056840e1298-wk-Fact-E2BA4B4C502A0577011FF94C9CDE1BF4"
      unitRef="usd">350064000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
      contextRef="FD2016Q4YTD"
      decimals="-3"
      id="d8056840e1312-wk-Fact-DC530C32C1755507297CF94C9CDE2159"
      unitRef="usd">326252000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
      contextRef="FD2015Q4YTD"
      decimals="-3"
      id="d8056840e1326-wk-Fact-026C199D30FF6954935FF94C9CDECEB6"
      unitRef="usd">248379000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
      contextRef="FD2017Q4YTD"
      decimals="-3"
      id="d8056840e1341-wk-Fact-F4C6EB5528C79B73D32AF94C9CDEDCD7"
      unitRef="usd">-37000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
      contextRef="FD2016Q4YTD"
      decimals="-3"
      id="d8056840e1356-wk-Fact-4C746F22D09B3D93C103F94C9CDE6D19"
      unitRef="usd">-24000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign
      contextRef="FD2015Q4YTD"
      decimals="-3"
      id="d8056840e1371-wk-Fact-4836F33396D8C9DBE7EEF94C9CDE18E8"
      unitRef="usd">-1326000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="FD2017Q4YTD"
      decimals="-3"
      id="d8056840e1397-wk-Fact-3BA36E0CEBF8A91D48BEF94C9CBF677B"
      unitRef="usd">350027000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="FD2016Q4YTD"
      decimals="-3"
      id="d8056840e1411-wk-Fact-C2B2B824FC6A67EAF023F94C9C80CB98"
      unitRef="usd">326228000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
      contextRef="FD2015Q4YTD"
      decimals="-3"
      id="d8056840e1425-wk-Fact-0770F6FA4432E4C0984FF94C9C90F4A5"
      unitRef="usd">247053000</us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest>
    <us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-3F5E8B4E00B56569D25CF94C9CED772F-0-wk-Fact-9C277E050648CAF31BEEF94C9CAF329C">Income tax expense from continuing operations for the years ended December&#160;31 was as follows: &lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:61%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Current:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Federal&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;74,272&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;81,989&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;85,897&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;State&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;16,192&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,190&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,093&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Foreign&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;30&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;90,464&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;95,181&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;96,020&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income taxes:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Federal&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(24,497&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2,102&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(19,632&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;State&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(864&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,184&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(5,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Investment tax credit - net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(62&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,131&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(420&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(25,423&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2,049&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(25,356&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total income tax expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;65,041&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;93,132&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;70,664&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock>
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      decimals="-3"
      id="d8056840e1927-wk-Fact-0DB055258E7D5FB8BC12F94C9CAF111C"
      unitRef="usd">-2102000</us-gaap:DeferredFederalIncomeTaxExpenseBenefit>
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      contextRef="FD2015Q4YTD"
      decimals="-3"
      id="d8056840e1942-wk-Fact-0D1499A513477F3C1C44F94C9CAF127B"
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      contextRef="FD2017Q4YTD"
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      id="d8056840e1963-wk-Fact-78EA1CFDA48274CEF583F94C9CCE0824"
      unitRef="usd">-864000</us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit>
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      contextRef="FD2016Q4YTD"
      decimals="-3"
      id="d8056840e1978-wk-Fact-1A6261DBFFA5630F3BC8F94C9CAF697E"
      unitRef="usd">1184000</us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit>
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      unitRef="usd">-5304000</us-gaap:DeferredStateAndLocalIncomeTaxExpenseBenefit>
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      decimals="-3"
      id="d8056840e2014-wk-Fact-9576C5D5C6FEB4D42795F94C9C9FBB9E"
      unitRef="usd">-62000</us-gaap:IncomeTaxCreditsAndAdjustments>
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      unitRef="usd">-1131000</us-gaap:IncomeTaxCreditsAndAdjustments>
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      id="d8056840e2044-wk-Fact-D37DA6B7A5AEDCB08249F94C9CCE5725"
      unitRef="usd">-420000</us-gaap:IncomeTaxCreditsAndAdjustments>
    <us-gaap:DeferredIncomeTaxExpenseBenefit
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      decimals="-3"
      id="d8056840e2065-wk-Fact-0BCB6C2538CC06403085F94C9CBFE601"
      unitRef="usd">-25423000</us-gaap:DeferredIncomeTaxExpenseBenefit>
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      decimals="-3"
      id="d8056840e2080-wk-Fact-F9645B36FDF6C4233C99F94C9CDE6EFD"
      unitRef="usd">-2049000</us-gaap:DeferredIncomeTaxExpenseBenefit>
    <us-gaap:DeferredIncomeTaxExpenseBenefit
      contextRef="FD2015Q4YTD"
      decimals="-3"
      id="d8056840e2095-wk-Fact-5DBEB4D7F4552F733A24F94C9C90EDF1"
      unitRef="usd">-25356000</us-gaap:DeferredIncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="FD2017Q4YTD"
      decimals="-3"
      id="d8056840e2121-wk-Fact-101C7EA8EC5B7B350C9FF94C9CDE7DEF"
      unitRef="usd">65041000</us-gaap:IncomeTaxExpenseBenefit>
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      contextRef="FD2016Q4YTD"
      decimals="-3"
      id="d8056840e2135-wk-Fact-CD41FD82CDCF96E45BBBF94C9C9087F3"
      unitRef="usd">93132000</us-gaap:IncomeTaxExpenseBenefit>
    <us-gaap:IncomeTaxExpenseBenefit
      contextRef="FD2015Q4YTD"
      decimals="-3"
      id="d8056840e2149-wk-Fact-EDCD2931E5918C35A744F94C9CBF04F5"
      unitRef="usd">70664000</us-gaap:IncomeTaxExpenseBenefit>
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      id="TextSelection-AC853879E652D070A832F94C9CED28E1-0-wk-Fact-5B55822FFB1C9B55ED14F94C9CAFC8CA">Components of deferred tax assets and deferred tax liabilities at December&#160;31 were as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:70%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:52px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred tax assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Postretirement&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;55,736&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;87,872&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Compensation-related&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;16,298&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;44,995&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Alternative minimum tax credit carryforward&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;37,683&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;29,338&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Federal renewable energy credit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;19,367&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;16,944&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Customer advances&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;8,712&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,524&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Legal and environmental contingencies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7,363&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,895&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Asset retirement obligations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6,380&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8,867&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;35,738&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;46,957&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total deferred tax assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;187,277&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;258,392&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred tax liabilities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Depreciation and basis differences on property, plant and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;429,577&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;774,838&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Postretirement&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;43,505&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;70,670&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Intangible asset amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;16,979&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;26,413&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;32,591&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;45,580&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total deferred tax liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;522,652&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;917,501&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Valuation allowance&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;11,896&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,117&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net deferred income tax liability&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;347,271&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;668,226&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock>
    <us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions
      contextRef="FI2017Q4"
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      id="TextSelection-5AB9A53165BCA1077BE7F94C9CED1FE3-0-wk-Fact-268D07F2A755F3E79150F94C9CAF91EA">The following table reconciles the change in the net deferred income tax liability from &lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, to &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, to deferred income tax benefit:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="4"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:83%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Change in net deferred income tax liability from the preceding table&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(320,955&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred taxes associated with other comprehensive loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,182&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred taxes associated with TCJA enactment for regulated activities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;285,520&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;8,830&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred income tax benefit for the 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      contextRef="FD2017Q4YTD"
      id="TextSelection-6F8DE5FA7201B792E3E7F94C9CEDA326-0-wk-Fact-0130D362F5CD72B255B2F94C9CAF0D0E">Total income tax expense differs from the amount computed by applying the statutory federal income tax rate to income before taxes. The reasons for this difference were as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="16"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:52%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:5%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:5%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:5%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Years ended December&#160;31,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;Amount&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Amount&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Amount&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="15" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(Dollars in thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Computed tax at federal statutory rate&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;122,509&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;35.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;114,179&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;35.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;86,468&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;35.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Increases (reductions) resulting from:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;State income taxes, net of federal income tax&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;10,724&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.1&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,027&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2.8&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8,208&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3.3&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Federal renewable energy credit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(13,958&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(4.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(13,544&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(4.2&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,400&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1.4&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Tax compliance and uncertain tax positions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(643&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(.2&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,028&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.9&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2,607&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Domestic production deduction&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(6,849&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(2.0&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,251&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1.9&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,842&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2.8&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;TCJA revaluation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(47,242&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(13.5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;TCJA revaluation related to accumulated other comprehensive loss balance&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7,735&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2.2&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(7,235&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 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Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(7,251&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2.3&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(11,163&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(4.5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total income tax expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;65,041&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;18.6&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td 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      id="TextSelection-8091434F7AEFF164964EF94C9CED02E4-0-wk-Fact-C7BDF5D86DE08828640EF94C9CDE7993">Cash Flow Information&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Cash expenditures for interest and income taxes for the years ended December&#160;31 were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:88.97485493230174%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:55%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Interest, net*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;79,638&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;87,920&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;88,775&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income taxes paid, net**&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;112,137&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;105,908&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;61,405&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:6px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Capitalized interest and AFUDC - borrowed was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$966,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$914,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$9.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; for the years ended December&#160;31, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;, respectively.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;**&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Income taxes paid, net of discontinued operations, were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$9.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$1.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$2.4&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; for the years ended December&#160;31, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;, respectively.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:88.97485493230174%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="4"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:55%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Noncash investing transactions at December&#160;31 were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:612px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:345px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:78px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Property, plant and equipment additions in accounts payable&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;29,263&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;22,712&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;39,754&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:CashFlowSupplementalDisclosuresTextBlock>
    <us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-D30A846B083C2EE79C84F94C9CEDF4E9-0-wk-Fact-F9154515776523699313F94C9CDE5270">Cash expenditures for interest and income taxes for the years ended December&#160;31 were as follows:&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:88.97485493230174%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:55%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Interest, net*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;79,638&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;87,920&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;88,775&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income taxes paid, net**&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;112,137&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;105,908&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;61,405&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:6px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Capitalized interest and AFUDC - borrowed was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$966,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$914,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$9.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; for the years ended December&#160;31, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;, respectively.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;**&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Income taxes paid, net of discontinued operations, were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$9.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$1.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$2.4&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; for the years ended December&#160;31, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;, respectively.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:88.97485493230174%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="4"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:55%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Noncash investing transactions at December&#160;31 were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:612px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:345px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:78px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Property, plant and equipment additions in accounts payable&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;29,263&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;22,712&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;39,754&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock>
    <us-gaap:InterestPaidNet
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      id="TextSelection-FAFFB0E0B8DC57559EDCF94C9CED9288-0-wk-Fact-6F5A3C211478BDD62FEDF94C9CAFB1CD">Business Segment Data&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's reportable segments are those that are based on the Company's method of internal reporting, which generally segregates the strategic business units due to differences in products, services and regulation. The internal reporting of these operating segments is defined based on the reporting and review process used by the Company's chief executive officer. The vast majority of the Company's operations are located within the United States.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The electric segment generates, transmits and distributes electricity in Montana, North Dakota, South Dakota and Wyoming. The natural gas distribution segment distributes natural gas in those states as well as in Idaho, Minnesota, Oregon and Washington. These operations also supply related value-added services.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The pipeline and midstream segment provides natural gas transportation, underground storage and gathering services through regulated and nonregulated pipeline systems primarily in the Rocky Mountain and northern Great Plains regions of the United States. This segment also provides cathodic protection and other energy-related services. For information on the Company's natural gas and oil gathering and processing facility sold on January 1, 2017, see Note &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The construction materials and contracting segment &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;operations mine, process and sell construction aggregates (crushed stone, sand and gravel); produce and sell asphalt mix; and supply ready-mixed concrete.&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; This segment &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;focuses on vertical integration of construction services to support the aggregate based product lines including aggregate placement, asphalt and concrete paving, and site development and grading. Although not common to all locations, other products include the sale of cement, liquid asphalt for various commercial and roadway applications, various finished concrete products and other building materials and related contracting services.&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;This segment operates in the central, southern and western United States and Alaska and Hawaii.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The construction services segment &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;provides inside and outside specialty contracting services. Its outside services include design, construction and maintenance of overhead and underground electrical distribution and transmission lines, substations, external lighting, traffic signalization, and gas pipelines, as well as utility excavation and the manufacture and distribution of transmission line construction equipment. Its inside services include design, construction and maintenance of electrical and communication wiring and infrastructure, fire suppression systems, and mechanical piping and services. This business also designs, constructs and maintains renewable energy projects. These specialty contracting services are provided to utilities and large manufacturing, commercial, industrial, institutional and government customers. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Other category includes the activities of Centennial Capital, which insures various types of risks as a captive insurer for certain of the Company's subsidiaries. The function of the captive insurer is to fund the deductible self-insured layers of the insured companies' general liability, automobile liability, pollution liability and other coverages. Centennial Capital also owns certain real and personal property. The Other category also includes certain general and administrative costs (reflected in operation and maintenance expense) and interest expense which were previously allocated to the refining business and Fidelity and do not meet the criteria for income (loss) from discontinued operations. The Other category also includes Centennial Resources' former investment in Brazil.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Discontinued operations includes the results and supporting activities of Dakota Prairie Refining and Fidelity other than certain general and administrative costs and interest expense&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; as described above. Dakota Prairie Refining refined crude oil and produced and sold diesel fuel, naphtha, ATBs and other by-products of the production process. &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In the second quarter of 2016, the Company sold all of the outstanding membership interests in Dakota Prairie Refining.&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; Fidelity engaged in oil and natural gas development and production activities in the Rocky Mountain and Mid-Continent/Gulf States regions of the United States. &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Between September 2015 and March 2016, the Company entered into purchase and sale agreements to sell substantially all of Fidelity's oil and natural gas assets. The completion of these sales occurred between October 2015 and April 2016.&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; For more information on discontinued operations, see Note &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The information below follows the same accounting policies as described in Note 1. Information on the Company's segments as of December&#160;31 and for the years then ended was as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:61%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;External operating revenues:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Regulated operations:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;342,805&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;322,356&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;280,615&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;848,388&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;766,115&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;817,419&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;53,566&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;52,983&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;51,004&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,244,759&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,141,454&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,149,038&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Nonregulated operations:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;19,602&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;39,602&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;54,281&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,811,964&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,873,696&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,901,530&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,366,317&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,072,663&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;907,767&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;709&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,413&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,436&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3,198,592&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,987,374&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,865,014&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total external operating revenues&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,443,351&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,128,828&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,014,052&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Intersegment operating revenues:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Regulated operations:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;48,867&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;48,794&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;49,065&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;48,867&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;48,794&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;49,065&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Nonregulated operations:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;178&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;223&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;554&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;565&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;574&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,752&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,285&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;609&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;18,660&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7,165&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,230&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,755&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;9,193&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8,636&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;29,721&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Intersegment eliminations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(58,060&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(57,430&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(78,786&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total intersegment operating revenues&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Depreciation, depletion and amortization:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;47,715&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;50,220&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;37,583&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;69,381&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;65,426&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;64,756&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;16,788&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24,885&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;27,981&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;55,862&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;58,413&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;65,937&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;15,739&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,307&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,420&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,001&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,067&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,070&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total depreciation, depletion and amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;207,486&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;216,318&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;211,747&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Interest expense:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;25,377&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24,982&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17,421&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;31,234&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;30,405&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;29,471&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,990&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,903&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,895&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;14,778&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,265&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,183&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3,742&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,059&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,959&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3,564&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,854&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,853&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Intersegment eliminations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(897&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(620&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(603&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total interest expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;82,788&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;87,848&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;91,179&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:61%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income taxes:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7,699&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,449&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,523&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;22,756&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,181&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,377&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;12,281&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;12,408&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,505&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5,405&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;60,625&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;41,619&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;25,558&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17,748&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;16,432&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(1,809&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2,028&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(9,834&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Intersegment eliminations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(6,849&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,251&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(7,958&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total income taxes&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;65,041&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;93,132&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;70,664&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings (loss) on common stock:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Regulated operations:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;49,366&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;42,222&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;35,914&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;32,225&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;27,102&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;23,607&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;20,620&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;22,060&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;20,680&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;102,211&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;91,384&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;80,201&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Nonregulated operations:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(127&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,375&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(7,430&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;123,398&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;102,687&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;89,096&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;53,306&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;33,945&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;23,762&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(1,422&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,231&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(14,941&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;175,155&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;134,776&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;90,487&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Intersegment eliminations (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6,849&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,251&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,016&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings on common stock before loss from discontinued operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;284,215&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;232,411&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;175,704&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Loss from discontinued operations, net of tax (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(3,783&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(300,354&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(834,080&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Loss from discontinued operations attributable to noncontrolling interest&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(131,691&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(35,256&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total earnings (loss) on common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;280,432&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;63,748&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(623,120&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Capital expenditures:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;109,107&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;111,134&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;332,876&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;146,981&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;126,272&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;130,793&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;31,054&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;34,467&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;18,315&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;44,302&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;37,845&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;48,126&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;18,630&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;60,344&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;38,269&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,850&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,358&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,755&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total capital expenditures (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;351,924&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;372,420&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;572,134&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,470,922&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,406,694&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,325,858&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,201,081&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,099,296&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,038,433&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;566,295&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;550,615&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;591,651&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,238,696&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,220,459&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,261,963&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;591,382&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;513,093&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;442,845&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other (d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;261,419&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;283,255&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;287,940&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,871&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;211,055&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;616,464&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6,334,666&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,284,467&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,565,154&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:21px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:21px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:21px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:21px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:61%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Property, plant and equipment:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,982,264&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,888,613&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,786,148&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,319,845&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,179,413&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,076,581&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;700,284&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;672,199&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;758,729&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,560,048&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,549,375&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,553,428&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;177,265&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;171,361&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;163,279&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;31,123&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;49,268&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;49,537&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated depreciation, depletion and amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,691,641&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,578,902&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,489,322&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net property, plant and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,079,188&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,931,327&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,898,380&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Capital expenditures for 2017, 2016 and 2015 include noncash capital expenditure-related accounts payable and AFUDC, totaling &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$10.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$(15.8)&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$35.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;, respectively.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Includes allocations of common utility property.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Includes assets not directly assignable to a business (i.e. cash and cash equivalents, certain accounts receivable, certain investments and other miscellaneous current and deferred assets).&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:SegmentReportingDisclosureTextBlock>
    <us-gaap:SegmentReportingPolicyPolicyTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-2A6BC357602C2B93A8FA4DA7A1E652A8-0-wk-Fact-6757096BB95DFDD465454DAC575AB1EF">The Company's reportable segments are those that are based on the Company's method of internal reporting, which generally segregates the strategic business units due to differences in products, services and regulation. The internal reporting of these operating segments is defined based on the reporting and review process used by the Company's chief executive officer.</us-gaap:SegmentReportingPolicyPolicyTextBlock>
    <us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-538B8E7C87A28836E24FF94C9CFD3192-0-wk-Fact-261338EB5412EAD07FDDF94C9CAFB91A">Information on the Company's segments as of December&#160;31 and for the years then ended was as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:61%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;External operating revenues:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Regulated operations:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;342,805&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;322,356&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;280,615&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;848,388&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;766,115&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;817,419&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;53,566&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;52,983&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;51,004&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,244,759&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,141,454&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,149,038&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Nonregulated operations:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;19,602&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;39,602&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;54,281&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,811,964&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,873,696&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,901,530&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,366,317&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,072,663&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;907,767&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;709&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,413&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,436&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3,198,592&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,987,374&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,865,014&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total external operating revenues&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,443,351&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,128,828&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,014,052&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Intersegment operating revenues:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Regulated operations:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;48,867&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;48,794&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;49,065&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;48,867&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;48,794&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;49,065&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Nonregulated operations:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;178&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;223&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;554&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;565&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;574&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,752&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,285&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;609&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;18,660&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7,165&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,230&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,755&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;9,193&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8,636&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;29,721&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Intersegment eliminations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(58,060&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(57,430&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(78,786&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total intersegment operating revenues&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Depreciation, depletion and amortization:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;47,715&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;50,220&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;37,583&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;69,381&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;65,426&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;64,756&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;16,788&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24,885&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;27,981&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;55,862&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;58,413&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;65,937&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;15,739&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,307&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,420&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,001&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,067&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,070&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total depreciation, depletion and amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;207,486&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;216,318&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;211,747&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Interest expense:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;25,377&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24,982&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17,421&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;31,234&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;30,405&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;29,471&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,990&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,903&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,895&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;14,778&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,265&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,183&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3,742&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,059&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,959&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3,564&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,854&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,853&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Intersegment eliminations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(897&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(620&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(603&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total interest expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;82,788&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;87,848&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;91,179&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:61%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income taxes:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7,699&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,449&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,523&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;22,756&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,181&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,377&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;12,281&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;12,408&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,505&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5,405&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;60,625&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;41,619&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;25,558&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17,748&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;16,432&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(1,809&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2,028&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(9,834&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Intersegment eliminations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(6,849&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,251&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(7,958&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total income taxes&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;65,041&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;93,132&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;70,664&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings (loss) on common stock:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Regulated operations:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;49,366&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;42,222&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;35,914&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;32,225&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;27,102&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;23,607&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;20,620&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;22,060&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;20,680&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;102,211&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;91,384&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;80,201&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Nonregulated operations:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(127&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,375&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(7,430&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;123,398&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;102,687&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;89,096&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;53,306&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;33,945&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;23,762&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(1,422&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,231&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(14,941&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;175,155&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;134,776&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;90,487&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Intersegment eliminations (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6,849&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,251&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,016&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings on common stock before loss from discontinued operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;284,215&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;232,411&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;175,704&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Loss from discontinued operations, net of tax (a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(3,783&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(300,354&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(834,080&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Loss from discontinued operations attributable to noncontrolling interest&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(131,691&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(35,256&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total earnings (loss) on common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;280,432&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;63,748&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(623,120&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Capital expenditures:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;109,107&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;111,134&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;332,876&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;146,981&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;126,272&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;130,793&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;31,054&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;34,467&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;18,315&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;44,302&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;37,845&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;48,126&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;18,630&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;60,344&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;38,269&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,850&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,358&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,755&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total capital expenditures (b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;351,924&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;372,420&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;572,134&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,470,922&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,406,694&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,325,858&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,201,081&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,099,296&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,038,433&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;566,295&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;550,615&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;591,651&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,238,696&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,220,459&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,261,963&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;591,382&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;513,093&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;442,845&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other (d)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;261,419&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;283,255&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;287,940&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets held for sale&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,871&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;211,055&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;616,464&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6,334,666&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,284,467&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,565,154&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:21px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:21px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:21px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:21px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:61%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Property, plant and equipment:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Electric (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,982,264&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,888,613&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,786,148&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Natural gas distribution (c)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,319,845&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,179,413&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,076,581&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pipeline and midstream&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;700,284&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;672,199&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;758,729&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction materials and contracting&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,560,048&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,549,375&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,553,428&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Construction services&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;177,265&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;171,361&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;163,279&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;31,123&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;49,268&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;49,537&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated depreciation, depletion and amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,691,641&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,578,902&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,489,322&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net property, plant and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,079,188&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,931,327&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,898,380&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(a)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;(b)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Capital expenditures for 2017, 2016 and 2015 include 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      contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember"
      decimals="-3"
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      contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ElectricMember"
      decimals="-3"
      id="d8059138e6356-wk-Fact-87952347C55E0CAC260FF94C9CDE1136"
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      contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember"
      decimals="-3"
      id="d8059138e6371-wk-Fact-C1CF810A8F9F7588D243F94C9CDE7B35"
      unitRef="usd">2319845000</us-gaap:PropertyPlantAndEquipmentGross>
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      contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember"
      decimals="-3"
      id="d8059138e6385-wk-Fact-0E6FAC82B0227EF4D559F94C9CBF2114"
      unitRef="usd">2179413000</us-gaap:PropertyPlantAndEquipmentGross>
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      contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_NaturalGasDistributionMember"
      decimals="-3"
      id="d8059138e6399-wk-Fact-827DB8DA376D5DBF0810F94C9CDE18FD"
      unitRef="usd">2076581000</us-gaap:PropertyPlantAndEquipmentGross>
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      contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember"
      decimals="-3"
      id="d8059138e6419-wk-Fact-437631D664F3262F41A8F94C9CDE2022"
      unitRef="usd">700284000</us-gaap:PropertyPlantAndEquipmentGross>
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      contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember"
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      id="d8059138e6433-wk-Fact-C2C2A5B00C5A6014898BF94C9CDEE730"
      unitRef="usd">672199000</us-gaap:PropertyPlantAndEquipmentGross>
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      contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_PipelineandMidstreamMember"
      decimals="-3"
      id="d8059138e6447-wk-Fact-5932B7661A20652509B3F94C9CCE953A"
      unitRef="usd">758729000</us-gaap:PropertyPlantAndEquipmentGross>
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      unitRef="usd">1560048000</us-gaap:PropertyPlantAndEquipmentGross>
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      id="d8059138e6481-wk-Fact-1E6111764F3706D555B1F94C9CDEA77B"
      unitRef="usd">1549375000</us-gaap:PropertyPlantAndEquipmentGross>
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      unitRef="usd">1553428000</us-gaap:PropertyPlantAndEquipmentGross>
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      decimals="-3"
      id="d8059138e6515-wk-Fact-C62A5244B4A567973CDDF94C9C9FB632"
      unitRef="usd">177265000</us-gaap:PropertyPlantAndEquipmentGross>
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      id="d8059138e6529-wk-Fact-A74122A415B4CEC597BAF94C9C9F4A20"
      unitRef="usd">171361000</us-gaap:PropertyPlantAndEquipmentGross>
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      contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_mdu_ConstructionServicesMember"
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      id="d8059138e6543-wk-Fact-68305D2B7D0B842DF89DF94C9C9F16D3"
      unitRef="usd">163279000</us-gaap:PropertyPlantAndEquipmentGross>
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      contextRef="FI2017Q4_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember"
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      id="d8059138e6563-wk-Fact-7322AAB05599A3D21E38F94C9CCE0ABD"
      unitRef="usd">31123000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="FI2016Q4_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember"
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      id="d8059138e6577-wk-Fact-39A9B4BFDB39F296837DF94C9CDE8E0F"
      unitRef="usd">49268000</us-gaap:PropertyPlantAndEquipmentGross>
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      contextRef="FI2015Q4_us-gaap_StatementBusinessSegmentsAxis_us-gaap_CorporateAndOtherMember"
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      id="d8059138e6591-wk-Fact-0900D7BE26C088D556A9F94C9C9FFBF2"
      unitRef="usd">49537000</us-gaap:PropertyPlantAndEquipmentGross>
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      unitRef="usd">2691641000</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
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      id="d8059138e6625-wk-Fact-D332D5A205B4C1F18105F94C9CAF3471"
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      id="d8059138e6639-wk-Fact-725C0A8F8212830F2CFDF94C9CCE9016"
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      id="d8059138e6731-wk-Fact-2DD6474835EE1B17E56DF94C9CAF4F0E"
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      unitRef="usd">-15800000</mdu:NetNoncashInclusionofAcctPayandAFUDC>
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      decimals="-5"
      id="d8059138e6739-wk-Fact-7A96CBAABCB6E5A3FBBBF94C9CAF2CFF"
      unitRef="usd">35300000</mdu:NetNoncashInclusionofAcctPayandAFUDC>
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      contextRef="FD2017Q4YTD"
      id="TextSelection-3F78C8AB15E72A2B3421F94C9CFD218C-0-wk-Fact-280539B5D39D02186AFCF94C9C90D16A">Employee Benefit Plans&lt;div style="line-height:140%;padding-top:0px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Pension and other postretirement benefit plans&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company has noncontributory qualified defined benefit pension plans and other postretirement benefit plans for certain eligible employees. The Company uses a measurement date of December&#160;31 for all of its pension and postretirement benefit plans.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Prior to 2013, defined pension plan benefits and accruals for all nonunion and certain union plans were frozen. On June 30, 2015, an additional union plan was frozen. As of June 30, 2015, all of the Company's defined pension plans were frozen. These employees were eligible to receive additional defined contribution plan benefits.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Effective January&#160;1, 2010, eligibility to receive retiree medical benefits was modified at certain of the Company's businesses. Employees who had attained age 55 with 10 years of continuous service by December&#160;31, 2010, will be provided the current retiree medical insurance benefits or can elect the new benefit, if desired, regardless of when they retire. All other current employees must meet the new eligibility criteria of age 60 and 10 years of continuous service at the time they retire. These employees will be eligible for a specified company funded Retiree Reimbursement Account. Employees hired after December&#160;31, 2009, will not be eligible for retiree medical benefits at certain of the Company's businesses.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In 2012, the Company modified health care coverage for certain retirees. Effective January&#160;1, 2013, post-65 coverage was replaced by a fixed-dollar subsidy for retirees and spouses to be used to purchase individual insurance through an exchange.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Changes in benefit obligation and plan assets for the years ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, and amounts recognized in the Consolidated Balance Sheets at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Pension Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Postretirement Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Change in benefit obligation:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Benefit obligation at beginning of year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;436,307&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;442,960&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;89,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;92,734&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Service cost&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,508&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,647&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Interest cost&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;16,207&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17,218&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3,265&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,688&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Plan participants' contributions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,368&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,405&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Actuarial (gain) loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;19,119&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,882&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,781&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,872&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Benefits paid&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(25,710&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(25,753&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(6,020&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,298&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Benefit obligation at end of year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;445,923&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;436,307&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;91,206&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;89,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Change in net plan assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Fair value of plan assets at beginning of year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;333,509&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;332,667&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;82,846&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;82,593&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Actual gain on plan assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;45,473&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;26,595&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;9,612&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,184&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Employer contribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,112&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;933&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;962&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Plan participants' contributions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,368&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,405&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Benefits paid&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(25,710&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(25,753&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(6,020&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,298&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Fair value of net plan assets at end of year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;354,384&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;333,509&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;88,739&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;82,846&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Funded status - under&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(91,539&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(102,798&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(2,467&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,458&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amounts recognized in the Consolidated&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:24px;text-indent:-18px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Balance Sheets at December&#160;31:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred charges and other assets - other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;19,114&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,131&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other accrued liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;612&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;538&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred credits and other liabilities - other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;91,539&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;102,798&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;20,969&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;19,051&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Benefit obligation liabilities - net amount recognized&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(91,539&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(102,798&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(2,467&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,458&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amounts recognized in accumulated other comprehensive (income) loss or regulatory assets (liabilities) consist of:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Actuarial loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;186,486&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;198,668&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;13,423&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17,470&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Prior service credit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(11,632&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(13,003&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;186,486&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;198,668&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,791&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,467&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Employer contributions and benefits paid in the preceding table include only those amounts contributed directly to, or paid directly from, plan assets. Accumulated other comprehensive (income) loss in the above table includes amounts related to regulated operations, which are recorded as regulatory assets (liabilities) and are expected to be reflected in rates charged to customers over time. For more information on regulatory assets (liabilities), see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;4&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Unrecognized pension actuarial losses in excess of 10&#160;percent of the greater of the projected benefit obligation or the market-related value of assets are amortized over the average life expectancy of plan participants for frozen plans. The market-related value of assets is determined using a five-year average of assets.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The pension plans all have accumulated benefit obligations in excess of plan assets. The projected benefit obligation, accumulated benefit obligation and fair value of plan assets for these plans at December&#160;31 were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:74%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Projected benefit obligation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;445,923&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;436,307&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Accumulated benefit obligation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;445,923&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;436,307&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Fair value of plan assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;354,384&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;333,509&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Components of net periodic benefit cost (credit) for the Company's pension and other postretirement benefit plans for the years ended December&#160;31 were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="19"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:40%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Pension Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Postretirement Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Components of net periodic benefit cost (credit):&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Service cost&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;86&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,508&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,647&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,816&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Interest cost&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;16,207&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17,218&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17,141&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3,265&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,688&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,607&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Expected return on assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(20,528&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(20,924&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(22,254&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(4,641&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(4,533&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(4,795&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amortization of prior service cost (credit)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;36&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(1,371&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,371&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,371&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Recognized net actuarial loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6,355&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,215&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,016&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;857&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,491&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,960&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Curtailment loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;258&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net periodic benefit cost (credit), including amount capitalized&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,034&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,509&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,283&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(382&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;922&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,217&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less amount capitalized&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;310&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;381&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;316&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(370&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(52&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;120&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net periodic benefit cost (credit)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,724&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,128&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,967&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(12&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;974&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,097&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other changes in plan assets and benefit obligations recognized in accumulated comprehensive (income) loss or regulatory assets (liabilities):&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net (gain) loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(5,827&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,789&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8,257&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(3,190&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,523&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,336&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amortization of actuarial loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(6,355&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,215&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(7,016&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(857&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,491&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,960&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amortization of prior service (cost) credit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(294&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,371&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,371&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,371&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total recognized in accumulated other comprehensive (income) loss or regulatory assets (liabilities)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(12,182&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(10,004&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;947&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(2,676&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,643&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,925&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total recognized in net periodic benefit cost (credit), accumulated other comprehensive (income) loss and regulatory assets (liabilities)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(10,458&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(7,876&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,914&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(2,688&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2,669&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(828&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The estimated net loss for the defined benefit pension plans that will be amortized from accumulated other comprehensive loss and regulatory assets into net periodic benefit cost in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2018&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; is &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$7.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. The estimated net loss and prior service credit for the other postretirement benefit plans that will be amortized from accumulated other comprehensive loss and regulatory assets into net periodic benefit cost in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2018&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; are &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$800,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.4&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively. Prior service cost is amortized on a straight line basis over the average remaining service period of active participants.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Weighted average assumptions used to determine benefit obligations at December&#160;31 were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="9"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Pension Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Postretirement Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Discount rate&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.38&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3.83&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.41&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3.86&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Expected return on plan assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Rate of compensation increase&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;N/A&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;N/A&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.00&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3.00&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Weighted average assumptions used to determine net periodic benefit cost for the years ended December&#160;31 were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="9"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Pension Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Postretirement Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Discount rate&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.83&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4.00&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.86&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4.06&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Expected return on plan assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Rate of compensation increase&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;N/A&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;N/A&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.00&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3.00&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The expected rate of return on pension plan assets is based on a targeted asset allocation range determined by the funded ratio of the plan. As of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, the expected rate of return on pension plan assets is based on the targeted asset allocation range of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;40&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent to &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;50&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent equity securities and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;50&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent to &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;60&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent fixed-income securities and the expected rate of return from these asset categories. The expected rate of return on other postretirement plan assets is based on the targeted asset allocation range of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;20&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent to &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;25&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent equity securities and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;75&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent to &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;80&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent fixed-income securities and the expected rate of return from these asset categories. The expected return on plan assets for other postretirement benefits reflects insurance-related investment costs.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Health care rate assumptions for the Company's other postretirement benefit plans as of December&#160;31 were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:516px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="11"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:297px;"/&gt;&lt;td style="width:44px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:17px;"/&gt;&lt;td style="width:31px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:44px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:17px;"/&gt;&lt;td style="width:29px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Health care trend rate assumed for next year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7.5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;8.5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8.6&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10.7&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Health care cost trend rate - ultimate&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4.5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4.5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Year in which ultimate trend rate achieved&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2024&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2024&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's other postretirement benefit plans include health care and life insurance benefits for certain retirees. The plans underlying these benefits may require contributions by the retiree depending on such retiree's age and years of service at retirement or the date of retirement. The accounting for the health care plans anticipates future cost-sharing changes that are consistent with the Company's expressed intent to generally increase retiree contributions each year by the excess of the expected health care cost trend rate over &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;six&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Assumed health care cost trend rates may have a significant effect on the amounts reported for the health care plans. A one&#160;percentage point change in the assumed health care cost trend rates would have had the following effects at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:511px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:337px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:75px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:75px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;1&#160;Percentage&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Point Increase&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;1&#160;Percentage&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Point Decrease&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Effect on total of service and interest cost components&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;306&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(247&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Effect on postretirement benefit obligation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,433&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(4,551&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Outside investment managers manage the Company's pension and postretirement assets. The Company's investment policy with respect to pension and other postretirement assets is to make investments solely in the interest of the participants and beneficiaries of the plans and for the exclusive purpose of providing benefits accrued and defraying the reasonable expenses of administration. The Company strives to maintain investment diversification to assist in minimizing the risk of large losses. The Company's policy guidelines allow for investment of funds in cash equivalents, fixed-income securities and equity securities. The guidelines prohibit investment in commodities and futures contracts, equity private placement, employer securities, leveraged or derivative securities, options, direct real estate investments, precious metals, venture capital and limited partnerships. The guidelines also prohibit short selling and margin transactions. The Company's practice is to periodically review and rebalance asset categories based on its targeted asset allocation percentage policy.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. The ASC establishes a hierarchy for grouping assets and liabilities, based on the significance of inputs. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The estimated fair values of the Company's pension plans' assets are determined using the market approach.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The carrying value of the pension plans' Level&#160;2 cash equivalents approximates fair value and is determined using observable inputs in active markets or the net asset value of shares held at year end, which is determined using other observable inputs including pricing from outside sources. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;background-color:#ffffff;color:#000000;"&gt;The estimated fair value of the pension plans' Level&#160;1 equity securities is based on the closing price reported on the active market on which the individual securities are traded.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The estimated fair value of the pension plans' Level&#160;1 and Level&#160;2 collective and mutual funds are based on the net asset value of shares held at year end, based on either published market quotations on active markets or other known sources including pricing from outside sources. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The estimated fair value of the pension plans' Level&#160;2 corporate and municipal bonds is determined using other observable inputs, including benchmark yields, reported trades, broker/dealer quotes, bids, offers, future cash flows and other reference data.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The estimated fair value of the pension plans' Level&#160;1 U.S. Government securities are valued based on quoted prices on an active market.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The estimated fair value of the pension plans' Level&#160;2 U.S. Government securities are valued mainly using other observable inputs, including benchmark yields, reported trades, broker/dealer quotes, bids, offers, to be announced prices, future cash flows and other reference data. Some of these securities are valued using pricing from outside sources.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Though the Company believes the methods used to estimate fair value are consistent with those used by other market participants, the use of other methods or assumptions could result in a different estimate of fair value. For the years ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, there were no transfers between Levels&#160;1 and 2.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The fair value of the Company's pension plans' assets (excluding cash) by class were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;at December&#160;31, 2017, Using&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quoted Prices&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;in Active&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Markets for&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Identical&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Observable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unobservable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;3)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Cash equivalents&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,814&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,814&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Equity securities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,345&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,345&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;International companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,766&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,766&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Collective and mutual funds*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;171,822&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;67,749&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;239,571&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Corporate bonds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;74,956&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;74,956&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Municipal bonds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;16,839&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;16,839&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. Government securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,038&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,038&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets measured at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;187,971&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;163,358&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;351,329&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Collective and mutual funds invest approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;31&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of international companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;28&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in corporate bonds, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;19&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of large-cap U.S. companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;7&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in cash equivalents, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;1&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; percent in U.S. Government securities and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;14&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in other investments.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;text-align:left;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;at December&#160;31, 2016, Using&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quoted Prices&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;in Active&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Markets for&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Identical&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Observable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unobservable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;3)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Cash equivalents&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,347&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,347&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Equity securities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,348&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,348&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;International companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,584&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,584&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Collective and mutual funds*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;162,055&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;64,052&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;226,107&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Corporate bonds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;68,677&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;68,677&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Municipal bonds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,002&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,002&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. Government securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,352&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,044&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,396&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets measured at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;179,339&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;152,122&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;331,461&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Collective and mutual funds invest approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;29&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of international companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;21&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in corporate bonds, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;20&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of large-cap U.S. companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;8&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in cash equivalents, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;7&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; percent in U.S. Government securities and &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;15&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in other investments.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The estimated fair values of the Company's other postretirement benefit plans' assets are determined using the market approach.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The estimated fair value of the other postretirement benefit plans' Level&#160;2 cash equivalents is valued at the net asset value of shares held at year end, based on published market quotations on active markets, or using other known sources including pricing from outside sources. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The estimated fair value of the other postretirement benefit plans' Level&#160;1 equity securities is based on the closing price reported on the active market on which the individual securities are traded.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The estimated fair value of the other postretirement benefit plans' Level&#160;2 insurance contract is based on contractual cash surrender values that are determined primarily by investments in managed separate accounts of the insurer. These amounts approximate fair value. The managed separate accounts are valued based on other observable inputs or corroborated market data.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Though the Company believes the methods used to estimate fair value are consistent with those used by other market participants, the use of other methods or assumptions could result in a different estimate of fair value. For the years ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, there were no transfers between Levels&#160;1 and&#160;2.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The fair value of the Company's other postretirement benefit plans' assets (excluding cash) by asset class were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;at December&#160;31, 2017, Using&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quoted Prices&lt;br/&gt;in Active&lt;br/&gt;Markets for&lt;br/&gt;Identical&lt;br/&gt;Assets&lt;br/&gt;&#160;(Level&#160;1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;br/&gt;Other&lt;br/&gt;Observable&lt;br/&gt;Inputs&lt;br/&gt;&#160;(Level&#160;2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unobservable&lt;br/&gt; Inputs&lt;br/&gt;&#160;(Level&#160;3)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Cash equivalents&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,815&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,815&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Equity securities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,316&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,316&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;International companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Insurance contract*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;81,601&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;81,604&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets measured at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,323&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;86,416&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;88,739&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;The insurance contract invests approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;38&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in corporate bonds, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;23&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of large-cap U.S. companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;21&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in U.S. Government securities, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;9&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in mortgage-backed securities and &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;9&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in other investments.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-top:10px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;at December&#160;31, 2016, Using&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quoted Prices&lt;br/&gt;in Active&lt;br/&gt;Markets for&lt;br/&gt;Identical&lt;br/&gt;Assets&lt;br/&gt;&#160;(Level&#160;1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;br/&gt;Other&lt;br/&gt;Observable&lt;br/&gt;Inputs&lt;br/&gt;&#160;(Level&#160;2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unobservable&lt;br/&gt; Inputs&lt;br/&gt;&#160;(Level&#160;3)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Cash equivalents&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;250&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;250&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Equity securities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,328&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,328&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;International companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Insurance contract*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;80,263&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;80,263&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets measured at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,333&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;80,513&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;82,846&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;The insurance contract invests approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;38&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in corporate bonds, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;25&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of large-cap U.S. companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;20&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; percent in U.S. Government securities, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;9&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in mortgage-backed securities and &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;8&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in other investments.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company expects to contribute approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$17.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; to its defined benefit pension plans and approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$800,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; to its postretirement benefit plans in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2018&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The following benefit payments, which reflect future service, as appropriate, and expected Medicare Part&#160;D subsidies are as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:515px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:248px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:76px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Years&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Pension&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Postretirement Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Expected&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Medicare&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Part&#160;D&#160;Subsidy&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;25,111&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,490&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;152&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2019&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;25,280&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,525&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;147&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2020&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;25,587&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,396&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;141&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2021&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;25,866&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,391&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;132&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2022&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;26,185&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,470&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;123&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2023 - 2027&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;130,994&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;27,106&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;454&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Nonqualified benefit plans&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In addition to the qualified defined pension benefit plans reflected in the table at the beginning of this note, the Company also has unfunded, nonqualified benefit plans for executive officers and certain key management employees that generally provide for defined benefit payments at age&#160;65 following the employee's retirement or, upon death, to their beneficiaries for a 15-year period. In February 2016, the Company froze the unfunded, nonqualified defined benefit plans to new participants and eliminated benefit increases. Vesting for participants not fully vested was retained. The Company's net periodic benefit cost for these plans was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$4.7 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$1.8&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$7.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively, which reflects a curtailment gain of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$3.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in the first quarter of 2016 . The total projected benefit obligation for these plans was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$102.5 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$101.8&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively. The accumulated benefit obligation for these plans was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$102.5 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$101.8&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively. A weighted average discount rate of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;3.20&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;3.56&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively, was used to determine the benefit obligation.&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; rate of compensation increase was used to determine the benefit obligation at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, due to the plans being froze. A discount rate of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;3.56&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;3.77&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent for the years ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively, and a rate of compensation increase of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;4.00&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent for the year ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; was used to determine net periodic benefit cost.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The amount of benefit payments for the unfunded, nonqualified benefit plans are expected to aggregate &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$7.1 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2018&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;; &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$7.3 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2019&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;; &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$7.7 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2020&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;; &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$7.7 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2021&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;; &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$7.0 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2022&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$37.0 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; for the years 2023 through 2027.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In 2012, the Company established a nonqualified defined contribution plan for certain key management employees. Expenses incurred under this plan for &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$736,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$395,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$207,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company had investments of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$122.9&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$111.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively, consisting of equity securities of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$68.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$62.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively, life insurance carried on plan participants (payable upon the employee's death) of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$36.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$35.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively, and other investments of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$18.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$13.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively. The Company anticipates using these investments to satisfy obligations under these plans.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Defined contribution plans&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company sponsors various defined contribution plans for eligible employees and the costs incurred under these plans were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$41.2&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$40.9&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$36.8&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Multiemployer plans&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-bottom:12px;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company contributes to a number of multiemployer defined benefit pension plans under the terms of collective-bargaining agreements that cover its union-represented employees. The risks of participating in these multiemployer plans are different from single-employer plans in the following aspects:&lt;/span&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:4px;padding-bottom:4px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:8.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#x2022;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Assets contributed to the MEPP by one employer may be used to provide benefits to employees of other participating employers&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:8.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#x2022;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;If a participating employer stops contributing to the plan, the unfunded obligations of the plan may be borne by the remaining participating employers&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:140%;font-size:8.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#x2022;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:140%;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;If the Company chooses to stop participating in some of its MEPPs, the Company may be required to pay those plans an amount based on the underfunded status of the plan, referred to as a withdrawal liability&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's participation in these plans is outlined in the following table. Unless otherwise noted, the most recent Pension Protection Act zone status available in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; is for the plan's year-end at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively. The zone status is based on information that the Company received from the plan and is certified by the plan's actuary. Among other factors, plans in the red zone are generally less than &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;65&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent funded, plans in the yellow zone are between &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;65&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;80&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent funded, and plans in the green zone are at least &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;80&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent funded.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.23371647509579%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="18"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:6%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:6%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:6%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;EIN/Pension Plan&#160;Number&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="4" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Pension Protection&#160;Act Zone&#160;Status&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;FIP/RP Status Pending/Implemented&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Contributions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Surcharge Imposed&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Expiration Date&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;of&#160;Collective&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Bargaining&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Agreement&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Pension&#160;Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Alaska Laborers-Employers Retirement Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;91-6028298-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Yellow as of 6/30/2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Yellow as of 6/30/2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;Implemented&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;690&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;766&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;917&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;12/31/2018&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Edison Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;93-6061681-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;12,725&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;6,242&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;5,517&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;6/30/2019&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;IBEW Local No. 82 Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;31-6127268-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green as of 6/30/2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green as of 6/30/2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;1,757&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;2,560&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;2,252&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;12/1/2019&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;IBEW Local 212 Pension Trust Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;31-6127280-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green as of 4/30/2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Yellow as of 4/30/2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;1,312&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;1,146&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;937&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;6/2/2019&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;IBEW Local No. 357 Pension Plan A&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;88-6023284-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;3,286&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;3,016&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;1,896&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;5/31/2018&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;IBEW Local 648 Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;31-6134845-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Red as of 2/28/2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Red as of 2/29/2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;Implemented&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;2,254&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;773&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;745&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;9/2/2018&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Idaho Plumbers and Pipefitters Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;82-6010346-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green as of 5/31/2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green as of 5/31/2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;1,156&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;1,221&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;1,169&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;9/30/2019&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Minnesota Teamsters Construction Division Pension Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;41-6187751-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green as of 11/30/2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green as of 11/30/2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;826&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;690&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;737&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;4/30/2019&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;National Automatic Sprinkler Industry Pension Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;52-6054620-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Red&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Red&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;Implemented&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;718&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;775&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;677&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;7/31/2018-&lt;br/&gt;3/31/2021&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;National Electrical Benefit Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;53-0181657-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;8,891&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;6,366&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;5,271&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;10/31/2017-&lt;br/&gt;3/31/2021&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Sheet Metal Workers' Pension Plan of Southern CA, AZ and NV&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;95-6052257-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Yellow&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Red&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;Implemented&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;1,016&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;1,087&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;714&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;6/30/2018&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Southwest Marine Pension Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;95-6123404-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Red&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Red&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;Implemented&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;48&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;50&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;26&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;1/31/2019&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other funds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;22,066&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;19,835&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;18,254&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Total contributions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;56,745&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;44,527&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;39,112&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company was listed in the plans' Forms&#160;5500 as providing more than 5&#160;percent of the total contributions for the following plans and plan years:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:695px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="2"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:416px;"/&gt;&lt;td style="width:278px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;Pension Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;Year Contributions to Plan Exceeded More Than 5 Percent&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;of Total Contributions (as of December&#160;31 of the Plan's Year-End)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Edison Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;IBEW Local 82 Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;IBEW Local 124 Pension Trust Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;IBEW Local 212 Pension Trust Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;IBEW Local 357 Pension Plan A&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;IBEW Local 648 Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Idaho Plumbers and Pipefitters Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;International Union of Operating Engineers Local 701 Pension Trust Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Minnesota Teamsters Construction Division Pension Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pension and Retirement Plan of Plumbers and Pipefitters Local 525&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On September&#160;24, 2014, Knife River provided notice to the Operating Engineers Local 800 &amp;amp; WY Contractors Association, Inc. Pension Plan for Wyoming that it was withdrawing from the plan effective October&#160;26, 2014. In the fourth quarter of 2016, Knife River and the plan entered into a settlement agreement whereby the plan administrator assessed Knife River&#x2019;s final withdrawal liability with quarterly payments of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$42,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; until all benefits are satisfied. Knife River discounted the expected future payments. Based on this calculation, Knife River adjusted its liability accrual from &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$16.4&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; to &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$5.2&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in the fourth quarter of 2016.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company also contributes to a number of multiemployer other postretirement plans under the terms of collective-bargaining agreements that cover its union-represented employees. These plans provide benefits such as health insurance, disability insurance and life insurance to retired union employees. Many of the multiemployer other postretirement plans are combined with active multiemployer health and welfare plans. The Company's total contributions to its multiemployer other postretirement plans, which also includes contributions to active &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;multiemployer health and welfare plans, were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$51.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$36.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$31.4&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; for the years ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively.&lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Amounts contributed in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; to defined contribution multiemployer plans were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$32.2&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$23.8&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$19.5&#160;million&lt;/span&gt;&lt;/span&gt;, respectively.</us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock>
    <us-gaap:ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-258F6FBB5B6A42E652EBF94C9CFDC50B-0-wk-Fact-B30526685BC5283B0935F94C9C9FEE05">Changes in benefit obligation and plan assets for the years ended &lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, and amounts recognized in the Consolidated Balance Sheets at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Pension Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Postretirement Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Change in benefit obligation:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Benefit obligation at beginning of year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;436,307&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;442,960&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;89,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;92,734&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Service cost&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,508&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,647&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Interest cost&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;16,207&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17,218&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3,265&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,688&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Plan participants' contributions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,368&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,405&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Actuarial (gain) loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;19,119&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,882&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,781&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,872&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Benefits paid&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(25,710&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(25,753&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(6,020&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,298&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Benefit obligation at end of year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;445,923&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;436,307&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;91,206&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;89,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Change in net plan assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Fair value of plan assets at beginning of year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;333,509&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;332,667&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;82,846&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;82,593&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Actual gain on plan assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;45,473&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;26,595&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;9,612&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,184&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Employer contribution&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,112&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;933&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;962&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Plan participants' contributions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,368&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,405&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Benefits paid&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(25,710&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(25,753&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(6,020&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,298&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Fair value of net plan assets at end of year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;354,384&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;333,509&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;88,739&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;82,846&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Funded status - under&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(91,539&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(102,798&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(2,467&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,458&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amounts recognized in the Consolidated&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:24px;text-indent:-18px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Balance Sheets at December&#160;31:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred charges and other assets - other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;19,114&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,131&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other accrued liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;612&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;538&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred credits and other liabilities - other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;91,539&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;102,798&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;20,969&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;19,051&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Benefit obligation liabilities - net amount recognized&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(91,539&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(102,798&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(2,467&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,458&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amounts recognized in accumulated other comprehensive (income) loss or regulatory assets (liabilities) consist of:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Actuarial loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;186,486&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;198,668&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;13,423&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17,470&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Prior service credit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(11,632&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(13,003&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;186,486&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;198,668&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,791&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,467&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock>
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      id="TextSelection-90D49A1A89CA963BDAC8F94C9CFD48F3-0-wk-Fact-48540503C12ADAD37057F94C9C908628">The pension plans all have accumulated benefit obligations in excess of plan assets. The projected benefit obligation, accumulated benefit obligation and fair value of plan assets for these plans at December&#160;31 were as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:74%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Projected benefit obligation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;445,923&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;436,307&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Accumulated benefit obligation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;445,923&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;436,307&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Fair value of plan assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;354,384&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;333,509&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfAccumulatedAndProjectedBenefitObligationsTableTextBlock>
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      id="TextSelection-BB65A1B9D5433C03B1C6F94C9CFDB538-0-wk-Fact-CB166925655E46FAB99DF94C9CCED99B">Components of net periodic benefit cost (credit) for the Company's pension and other postretirement benefit plans for the years ended December&#160;31 were as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="19"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:40%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Pension Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Postretirement Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Components of net periodic benefit cost (credit):&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Service cost&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;86&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,508&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,647&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,816&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Interest cost&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;16,207&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17,218&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17,141&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3,265&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,688&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,607&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Expected return on assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(20,528&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(20,924&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(22,254&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(4,641&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(4,533&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(4,795&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amortization of prior service cost (credit)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;36&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(1,371&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,371&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,371&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Recognized net actuarial loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6,355&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,215&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,016&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;857&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,491&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,960&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Curtailment loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;258&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net periodic benefit cost (credit), including amount capitalized&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,034&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,509&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,283&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(382&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;922&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,217&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less amount capitalized&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;310&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;381&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;316&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(370&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(52&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;120&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net periodic benefit cost (credit)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,724&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,128&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,967&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(12&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;974&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,097&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other changes in plan assets and benefit obligations recognized in accumulated comprehensive (income) loss or regulatory assets (liabilities):&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net (gain) loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(5,827&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,789&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8,257&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(3,190&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,523&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,336&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amortization of actuarial loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(6,355&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,215&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(7,016&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(857&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,491&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,960&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Amortization of prior service (cost) credit&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(294&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,371&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,371&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,371&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total recognized in accumulated other comprehensive (income) loss or regulatory assets (liabilities)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(12,182&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(10,004&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;947&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(2,676&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,643&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(1,925&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total recognized in net periodic benefit cost (credit), accumulated other comprehensive (income) loss and regulatory assets (liabilities)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(10,458&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(7,876&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid 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style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(2,688&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(2,669&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div 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#000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Discount rate&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.38&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3.83&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.41&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3.86&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Expected return on plan assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Rate of compensation increase&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;N/A&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;N/A&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.00&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3.00&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Weighted average assumptions used to determine net periodic benefit cost for the years ended December&#160;31 were as follows:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="9"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:12%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Pension Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Postretirement Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Discount rate&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.83&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4.00&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.86&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4.06&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Expected return on plan assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;6.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;5.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5.75&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Rate of compensation increase&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;N/A&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;N/A&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3.00&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3.00&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; &lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfAssumptionsUsedTableTextBlock>
    <us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
      contextRef="FI2017Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_PensionPlansDefinedBenefitMember"
      decimals="4"
      id="d8105146e5217-wk-Fact-2E6DF9A718E645AA7921778A4FDE54AD"
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      id="TextSelection-EE07B21561D0A7F0BC69F94C9CFD0C8C-0-wk-Fact-F516CA7106976CD0B7B5F94C9CCE9243">Health care rate assumptions for the Company's other postretirement benefit plans as of December&#160;31 were as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:516px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="11"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:297px;"/&gt;&lt;td style="width:44px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:17px;"/&gt;&lt;td style="width:31px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:44px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;td style="width:17px;"/&gt;&lt;td style="width:29px;"/&gt;&lt;td style="width:8px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Health care trend rate assumed for next year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7.5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;8.5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8.6&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#x2013;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10.7&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Health care cost trend rate - ultimate&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4.5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4.5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;%&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Year in which ultimate trend rate achieved&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2024&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2024&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfHealthCareCostTrendRatesTableTextBlock>
    <us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear
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      unitRef="number">0.075</us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear>
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      contextRef="FI2016Q4_us-gaap_RangeAxis_us-gaap_MaximumMember_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"
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      unitRef="number">0.107</us-gaap:DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear>
    <us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1
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      unitRef="number">0.045</us-gaap:DefinedBenefitPlanUltimateHealthCareCostTrendRate1>
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      contextRef="FI2016Q4_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"
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    <us-gaap:DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate
      contextRef="FD2016Q4YTD_us-gaap_RetirementPlanFundingStatusAxis_us-gaap_UnderfundedPlanMember_us-gaap_RetirementPlanTaxStatusAxis_us-gaap_QualifiedPlanMember_us-gaap_RetirementPlanTypeAxis_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"
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    <mdu:PercentageExcessOverHealthCareCostTrendRateThatRetireeContributionsWillGenerallyIncreaseEachYear
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      id="TextSelection-D72F102B67218FE53D5FF94C9CFDD79D-0-wk-Fact-84077E929AB89CFDCB61F94C9CAF1AE8">Assumed health care cost trend rates may have a significant effect on the amounts reported for the health care plans. A one&#160;percentage point change in the assumed health care cost trend rates would have had the following effects at &lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:511px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:337px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:75px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;td style="width:9px;"/&gt;&lt;td style="width:75px;"/&gt;&lt;td style="width:3px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;1&#160;Percentage&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Point Increase&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;1&#160;Percentage&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Point Decrease&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Effect on total of service and interest cost components&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;306&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(247&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Effect on postretirement benefit obligation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,433&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid 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      id="TextSelection-F2101D3B79909ACCE6D2F94C9CFD1308-0-wk-Fact-453869FC1E8318C52DF8F94C9CCE961A">The fair value of the Company's pension plans' assets (excluding cash) by class were as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;at December&#160;31, 2017, Using&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quoted Prices&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;in Active&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Markets for&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Identical&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Observable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unobservable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;3)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Cash equivalents&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,814&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,814&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Equity securities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,345&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;13,345&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;International companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,766&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,766&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Collective and mutual funds*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;171,822&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;67,749&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;239,571&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Corporate bonds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;74,956&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;74,956&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Municipal bonds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;16,839&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;16,839&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. Government securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,038&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,038&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets measured at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;187,971&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;163,358&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;351,329&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Collective and mutual funds invest approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;31&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of international companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;28&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in corporate bonds, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;19&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of large-cap U.S. companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;7&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in cash equivalents, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;1&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; percent in U.S. Government securities and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;14&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in other investments.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:10px;text-align:left;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;at December&#160;31, 2016, Using&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quoted Prices&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;in Active&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Markets for&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Identical&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Observable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unobservable&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;Inputs&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;(Level&#160;3)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Cash equivalents&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,347&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,347&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Equity securities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,348&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,348&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;International companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,584&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,584&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Collective and mutual funds*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;162,055&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;64,052&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;226,107&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Corporate bonds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;68,677&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;68,677&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Municipal bonds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,002&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,002&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. Government securities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,352&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,044&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,396&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets measured at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;179,339&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;152,122&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;331,461&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Collective and mutual funds invest approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;29&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of international companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;21&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in corporate bonds, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;20&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of large-cap U.S. companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;8&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in cash equivalents, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;7&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; percent in U.S. Government securities and &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;15&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in other investments.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;The fair value of the Company's other postretirement benefit plans' assets (excluding cash) by asset class were as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;at December&#160;31, 2017, Using&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quoted Prices&lt;br/&gt;in Active&lt;br/&gt;Markets for&lt;br/&gt;Identical&lt;br/&gt;Assets&lt;br/&gt;&#160;(Level&#160;1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;br/&gt;Other&lt;br/&gt;Observable&lt;br/&gt;Inputs&lt;br/&gt;&#160;(Level&#160;2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unobservable&lt;br/&gt; Inputs&lt;br/&gt;&#160;(Level&#160;3)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Cash equivalents&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,815&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,815&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Equity securities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,316&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,316&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;International companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Insurance contract*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;81,601&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;81,604&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets measured at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,323&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;86,416&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;88,739&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:12px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;The insurance contract invests approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;38&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in corporate bonds, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;23&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in common stock of large-cap U.S. companies, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;21&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in U.S. Government securities, &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;9&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in mortgage-backed securities and &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;9&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#160;percent in other investments.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-top:10px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fair Value Measurements&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;at December&#160;31, 2016, Using&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quoted Prices&lt;br/&gt;in Active&lt;br/&gt;Markets for&lt;br/&gt;Identical&lt;br/&gt;Assets&lt;br/&gt;&#160;(Level&#160;1)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;br/&gt;Other&lt;br/&gt;Observable&lt;br/&gt;Inputs&lt;br/&gt;&#160;(Level&#160;2)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Significant&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Unobservable&lt;br/&gt; Inputs&lt;br/&gt;&#160;(Level&#160;3)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Balance at December&#160;31, 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Cash equivalents&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;250&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;250&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Equity securities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;U.S. companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,328&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,328&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;International companies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Insurance contract*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;80,263&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;80,263&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets measured at fair value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,333&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;80,513&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade 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#000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Years&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Pension&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Postretirement Benefits&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Expected&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Medicare&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Part&#160;D&#160;Subsidy&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;25,111&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,490&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;152&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2019&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;25,280&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,525&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;147&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2020&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;25,587&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,396&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;141&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2021&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;25,866&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,391&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;132&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2022&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;26,185&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,470&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;123&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2023 - 2027&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;130,994&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;27,106&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;454&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfExpectedBenefitPaymentsTableTextBlock>
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      id="TextSelection-CAC010C29F3357A0489DF94C9CFDCC23-0-wk-Fact-6E879F8FA10625CF47A8F94C9CBF4F74">&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.23371647509579%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="18"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:6%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:6%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:6%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:8%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;EIN/Pension Plan&#160;Number&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="4" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Pension Protection&#160;Act Zone&#160;Status&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;FIP/RP Status Pending/Implemented&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Contributions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Surcharge Imposed&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Expiration Date&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;of&#160;Collective&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Bargaining&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Agreement&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Pension&#160;Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Alaska Laborers-Employers Retirement Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;91-6028298-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Yellow as of 6/30/2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Yellow as of 6/30/2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;Implemented&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;690&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;766&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;917&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;12/31/2018&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Edison Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;93-6061681-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;12,725&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;6,242&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;5,517&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;6/30/2019&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;IBEW Local No. 82 Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;31-6127268-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green as of 6/30/2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green as of 6/30/2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;1,757&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;2,560&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;2,252&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;12/1/2019&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;IBEW Local 212 Pension Trust Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;31-6127280-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green as of 4/30/2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Yellow as of 4/30/2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;1,312&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;1,146&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;937&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;6/2/2019&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;IBEW Local No. 357 Pension Plan A&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;88-6023284-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;3,286&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;3,016&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;1,896&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;5/31/2018&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;IBEW Local 648 Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;31-6134845-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Red as of 2/28/2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Red as of 2/29/2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;Implemented&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;2,254&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;773&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;745&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;9/2/2018&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Idaho Plumbers and Pipefitters Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;82-6010346-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green as of 5/31/2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green as of 5/31/2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;1,156&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;1,221&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;1,169&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;9/30/2019&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Minnesota Teamsters Construction Division Pension Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;41-6187751-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green as of 11/30/2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green as of 11/30/2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;826&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;690&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;737&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;4/30/2019&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;National Automatic Sprinkler Industry Pension Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;52-6054620-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Red&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Red&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;Implemented&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;718&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;775&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;677&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;7/31/2018-&lt;br/&gt;3/31/2021&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;National Electrical Benefit Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;53-0181657-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Green&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;8,891&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;6,366&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;5,271&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;10/31/2017-&lt;br/&gt;3/31/2021&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Sheet Metal Workers' Pension Plan of Southern CA, AZ and NV&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;95-6052257-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Yellow&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Red&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;Implemented&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;1,016&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;1,087&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;714&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;6/30/2018&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Southwest Marine Pension Trust&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;95-6123404-001&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Red&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Red&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;Implemented&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;48&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;50&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;26&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;No&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;1/31/2019&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Other funds&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;22,066&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;19,835&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;18,254&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Total contributions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;&lt;span&gt;56,745&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;44,527&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&lt;span&gt;39,112&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company was listed in the plans' Forms&#160;5500 as providing more than 5&#160;percent of the total contributions for the following plans and plan years:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:695px;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="2"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:416px;"/&gt;&lt;td style="width:278px;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;Pension Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:right;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;Year Contributions to Plan Exceeded More Than 5 Percent&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:6.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;"&gt;of Total Contributions (as of December&#160;31 of the Plan's Year-End)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Edison Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;IBEW Local 82 Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;IBEW Local 124 Pension Trust Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;IBEW Local 212 Pension Trust Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;IBEW Local 357 Pension Plan A&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;IBEW Local 648 Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Idaho Plumbers and Pipefitters Pension Plan&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;International Union of Operating Engineers Local 701 Pension Trust Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Minnesota Teamsters Construction Division Pension Fund&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Pension and Retirement Plan of Plumbers and Pipefitters Local 525&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016 and 2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;</us-gaap:ScheduleOfMultiemployerPlansTableTextBlock>
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      id="d8105146e10743-wk-Fact-94A6D5A63C7EA47CBA65F94C9CBF3CAF"
      unitRef="usd">917000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlansSurcharge
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_AlaskaLaborersEmployersRetirementFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e10752-wk-Fact-08990340B53975D75E6CF94C9CBFD95E">No</us-gaap:MultiemployerPlansSurcharge>
    <us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_AlaskaLaborersEmployersRetirementFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e10757-wk-Fact-20818343BFDFFEA225B4F94C9C90C658">2018-12-31</us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate>
    <us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_EdisonPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e10793-wk-Fact-2BE79312C3AD416D22ACF94C9CBFD4DA">No</us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_EdisonPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e10798-wk-Fact-8DE76719D31A01E56E4DF94C9CBF9542"
      unitRef="usd">12725000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_EdisonPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e10812-wk-Fact-D7754EB0293D7AD482B8F94C9C90EC3C"
      unitRef="usd">6242000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_EdisonPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e10827-wk-Fact-347D53992ACD7E780250F94C9CBF22AB"
      unitRef="usd">5517000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlansSurcharge
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_EdisonPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e10841-wk-Fact-2A7102D1063138CE16D7F94C9CBFD419">No</us-gaap:MultiemployerPlansSurcharge>
    <us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_EdisonPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e10846-wk-Fact-34F99AF6DCDB95B31BC3F94C9C90C2A0">2019-06-30</us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate>
    <us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocalNo82PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e10882-wk-Fact-42731C020EAE80E2F687F94C9CBFF3CA">No</us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocalNo82PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e10887-wk-Fact-8B552BC6F5022867E2A0F94C9C909BBE"
      unitRef="usd">1757000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocalNo82PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e10901-wk-Fact-C9DD649B2BCEE9AAEE0DF94C9CBF8EA9"
      unitRef="usd">2560000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocalNo82PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e10916-wk-Fact-D5B85A1D3B51FE0C01BEF94C9CBF29D2"
      unitRef="usd">2252000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlansSurcharge
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocalNo82PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e10930-wk-Fact-7F5596851244CACEC7CCF94C9CBF7F91">No</us-gaap:MultiemployerPlansSurcharge>
    <us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocalNo82PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e10935-wk-Fact-F7E96C19A9A5521A0400F94C9C9075D3">2019-12-01</us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate>
    <us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_LocalUnion212IbewPensionTrustFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e10971-wk-Fact-2A0637304AB206E148B6F94C9C907D46">No</us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_LocalUnion212IbewPensionTrustFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e10976-wk-Fact-F62F7F9D737F89619FAAF94C9C90BE0A"
      unitRef="usd">1312000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_LocalUnion212IbewPensionTrustFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e10990-wk-Fact-4ACF59C5C1CBB8EDA087F94C9CBF9BC1"
      unitRef="usd">1146000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_LocalUnion212IbewPensionTrustFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11005-wk-Fact-9C8DAFF8D70DCAB0F39CF94C9CBF6782"
      unitRef="usd">937000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlansSurcharge
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_LocalUnion212IbewPensionTrustFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11019-wk-Fact-CDBDD6C0C81526C8D718F94C9C90DE9C">No</us-gaap:MultiemployerPlansSurcharge>
    <us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_LocalUnion212IbewPensionTrustFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11024-wk-Fact-7E549AA36BD5B534D9E3F94C9CBF7597">2019-06-02</us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate>
    <us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IBEWLocalNo.357PensionPlanAMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11060-wk-Fact-063EE601C73AE21F26BCF94C9CBFDD2D">No</us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IBEWLocalNo.357PensionPlanAMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11065-wk-Fact-9DA5F1C6A89C9E50FAC9F94C9CCE7040"
      unitRef="usd">3286000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IBEWLocalNo.357PensionPlanAMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11079-wk-Fact-8664ECC4E64C0567404DF94C9CBFF656"
      unitRef="usd">3016000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IBEWLocalNo.357PensionPlanAMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11094-wk-Fact-E26068A10F11E103A7BDF94C9CBFA24A"
      unitRef="usd">1896000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlansSurcharge
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IBEWLocalNo.357PensionPlanAMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11108-wk-Fact-DD42109CB64DB1533FDFF94C9CBF3BDC">No</us-gaap:MultiemployerPlansSurcharge>
    <us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IBEWLocalNo.357PensionPlanAMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11113-wk-Fact-71266E8E84A7CC6E19A2F94C9CCECBEB">2018-05-31</us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate>
    <us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocal648PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11149-wk-Fact-B2A48FD3D12C3BBB610DF94C9CBF446F">Implemented</us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocal648PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11154-wk-Fact-7B3CEF291B8A2DE7127FF94C9CBF7499"
      unitRef="usd">2254000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocal648PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11168-wk-Fact-75E74950CEF737D4D9CAF94C9CBF88C4"
      unitRef="usd">773000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocal648PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11183-wk-Fact-E550C2636E00CEF253A5F94C9CBF1301"
      unitRef="usd">745000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlansSurcharge
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocal648PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11197-wk-Fact-271AF49942EB0EAD2569F94C9CBFDD7C">No</us-gaap:MultiemployerPlansSurcharge>
    <us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IbewLocal648PensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11202-wk-Fact-D57E88EFCA5C5D685D17F94C9CBF1151">2018-09-02</us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate>
    <us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IdahoPlumbersandPipefittersPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11238-wk-Fact-5C19F414FB5E3A085DA1F94C9CBFC315">No</us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IdahoPlumbersandPipefittersPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11243-wk-Fact-D6543F368E2D2E8316D6F94C9CBFCB81"
      unitRef="usd">1156000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IdahoPlumbersandPipefittersPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11257-wk-Fact-90AC10EC17A92D71BF25F94C9CBF51DF"
      unitRef="usd">1221000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IdahoPlumbersandPipefittersPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11272-wk-Fact-93BD35740CCC70B951E6F94C9C9078AB"
      unitRef="usd">1169000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlansSurcharge
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IdahoPlumbersandPipefittersPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11286-wk-Fact-920486ECC291E127B353F94C9CBFC5C3">No</us-gaap:MultiemployerPlansSurcharge>
    <us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_IdahoPlumbersandPipefittersPensionPlanMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11291-wk-Fact-868483ECFD8B822894DAF94C9C90504F">2019-09-30</us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate>
    <us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11327-wk-Fact-85879B2E774BAF8A1F437D4B9EB79A53">No</us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11332-wk-Fact-2D325AF344C4CCE9461C7D4BA054C27F"
      unitRef="usd">826000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11346-wk-Fact-B86397459ED9D069AC107D4BA1FD2D3A"
      unitRef="usd">690000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11361-wk-Fact-8E7E25A4FD2BF02EDC4A7D4BA39645B5"
      unitRef="usd">737000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlansSurcharge
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11375-wk-Fact-05AC38509C4AB1179EA07D4BA5436485">No</us-gaap:MultiemployerPlansSurcharge>
    <us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11380-wk-Fact-F0B82EDDBA7488F3EEDE7D4BA6DDE32E">2019-04-30</us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate>
    <us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalAutomaticSprinklerIndustryPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11417-wk-Fact-17513A168049F8450FCEF94C9CBFBFE8">Implemented</us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalAutomaticSprinklerIndustryPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11422-wk-Fact-88CCAD5C2256474F4C32F94C9C90500D"
      unitRef="usd">718000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalAutomaticSprinklerIndustryPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11436-wk-Fact-67CB1186D91787BD4B5AF94C9CBF00D6"
      unitRef="usd">775000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalAutomaticSprinklerIndustryPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11451-wk-Fact-8B3313937670107C2D64F94C9CBF72CC"
      unitRef="usd">677000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlansSurcharge
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalAutomaticSprinklerIndustryPensionFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11465-wk-Fact-5A823FCD7643428AAA9AF94C9CBFE630">No</us-gaap:MultiemployerPlansSurcharge>
    <us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalElectricalBenefitFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11506-wk-Fact-41AAD7B43A9E2E300971F94C9CBF7013">No</us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalElectricalBenefitFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11511-wk-Fact-A2AD05EB72E6CF87CC58F94C9CBF7B79"
      unitRef="usd">8891000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalElectricalBenefitFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11525-wk-Fact-AD6FF46EA77D4EF16C79F94C9CBF6785"
      unitRef="usd">6366000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalElectricalBenefitFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11540-wk-Fact-C144D8C4C8EB9A6E37A8F94C9CBF1F6C"
      unitRef="usd">5271000</us-gaap:MultiemployerPlanContributionsByEmployer>
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      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_NationalElectricalBenefitFundMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11554-wk-Fact-64F16E6B23FA64DA044CF94C9CBF74B0">No</us-gaap:MultiemployerPlansSurcharge>
    <us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SheetMetalWorkersPensionPlanofSouthernCAAZandNVMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11595-wk-Fact-0A1FF94A23D261B990A6F94C9CBF86CA">Implemented</us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SheetMetalWorkersPensionPlanofSouthernCAAZandNVMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11600-wk-Fact-81846A0E48F26B88C696F94C9CBF4640"
      unitRef="usd">1016000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SheetMetalWorkersPensionPlanofSouthernCAAZandNVMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11614-wk-Fact-3D10A69FF78694DF2B16F94C9CBFD236"
      unitRef="usd">1087000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SheetMetalWorkersPensionPlanofSouthernCAAZandNVMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11629-wk-Fact-719F799A5C11FC3B33D9F94C9CBF0B82"
      unitRef="usd">714000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlansSurcharge
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SheetMetalWorkersPensionPlanofSouthernCAAZandNVMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11643-wk-Fact-D0D9149DD4C7C308F187F94C9C90B16E">No</us-gaap:MultiemployerPlansSurcharge>
    <us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SheetMetalWorkersPensionPlanofSouthernCAAZandNVMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11648-wk-Fact-E178F21B4D23FF6C95E4F94C9CBF7E01">2018-06-30</us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate>
    <us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SouthwestMarinePensionTrustMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11684-wk-Fact-99E7A73474592507DC39F94C9CBF24A2">Implemented</us-gaap:MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SouthwestMarinePensionTrustMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11689-wk-Fact-C4199CAF55D98E56D39FF94C9C906AFC"
      unitRef="usd">48000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SouthwestMarinePensionTrustMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11703-wk-Fact-3D2CBE8E7B0AC10D8FA7F94C9CBF65CC"
      unitRef="usd">50000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SouthwestMarinePensionTrustMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11718-wk-Fact-766FF98F08D647DBBA35F94C9CBF3626"
      unitRef="usd">26000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlansSurcharge
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SouthwestMarinePensionTrustMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11732-wk-Fact-ABFD2B910D53823CDF72F94C9CBF0C71">No</us-gaap:MultiemployerPlansSurcharge>
    <us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_mdu_SouthwestMarinePensionTrustMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      id="d8105146e11737-wk-Fact-E9B5F6F96B3FFD117202F94C9CBFF853">2019-01-31</us-gaap:MultiemployerPlansCollectiveBargainingArrangementExpirationDate>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanNameAxis_us-gaap_MultiemployerPlanIndividuallyInsignificantMultiemployerPlansMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11778-wk-Fact-B8185B0DC9E77B2A1025F94C9C905902"
      unitRef="usd">22066000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanNameAxis_us-gaap_MultiemployerPlanIndividuallyInsignificantMultiemployerPlansMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11792-wk-Fact-FB99425E99D9988280DAF94C9CBF99CE"
      unitRef="usd">19835000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanNameAxis_us-gaap_MultiemployerPlanIndividuallyInsignificantMultiemployerPlansMember_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11807-wk-Fact-9EB1A7A7180F242E768DF94C9C901CC8"
      unitRef="usd">18254000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11872-wk-Fact-1907AF78DD0A49BA1E93F94C9CBF154C"
      unitRef="usd">56745000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11887-wk-Fact-2A88DFA891434F1F3B89F94C9C90B9D5"
      unitRef="usd">44527000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPensionMember"
      decimals="-3"
      id="d8105146e11901-wk-Fact-2F4D72AFCB6ABA57A6FEF94C9CBFFEC9"
      unitRef="usd">39112000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <mdu:MultiemployerDiscountedFutureQuarterlyPayments
      contextRef="FI2016Q4_us-gaap_LossContingenciesByNatureOfContingencyAxis_us-gaap_WithdrawalFromMultiemployerDefinedBenefitPlanMember_us-gaap_MultiemployerPlanNameAxis_mdu_OperatingEngineersLocal800AndWyContractorsAssociationPensionPlanForWyMember"
      decimals="0"
      id="d8105146e12075-wk-Fact-120D8D80C316A0958A1BF94C9CCEA365"
      unitRef="usd">42000</mdu:MultiemployerDiscountedFutureQuarterlyPayments>
    <mdu:MultiemployerWithdrawalLiabilityPriorAccrual
      contextRef="FI2016Q4_us-gaap_LossContingenciesByNatureOfContingencyAxis_us-gaap_WithdrawalFromMultiemployerDefinedBenefitPlanMember_us-gaap_MultiemployerPlanNameAxis_mdu_OperatingEngineersLocal800AndWyContractorsAssociationPensionPlanForWyMember"
      decimals="-5"
      id="d8105146e12079-wk-Fact-83D9941F4CCAA1827929F94C9C8005B5"
      unitRef="usd">16400000</mdu:MultiemployerWithdrawalLiabilityPriorAccrual>
    <us-gaap:MultiemployerPlansWithdrawalObligation
      contextRef="FI2016Q4_us-gaap_LossContingenciesByNatureOfContingencyAxis_us-gaap_WithdrawalFromMultiemployerDefinedBenefitPlanMember_us-gaap_MultiemployerPlanNameAxis_mdu_OperatingEngineersLocal800AndWyContractorsAssociationPensionPlanForWyMember"
      decimals="-5"
      id="d8105146e12083-wk-Fact-0AA8663AD098C4BD50AAF94C9CCEE67C"
      unitRef="usd">5200000</us-gaap:MultiemployerPlansWithdrawalObligation>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2017Q4YTD_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPostretirementBenefitMember"
      decimals="-5"
      id="d8105146e12094-wk-Fact-899F75F9784F7CDDECCCF94C9CAF9962"
      unitRef="usd">51700000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2016Q4YTD_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPostretirementBenefitMember"
      decimals="-5"
      id="d8105146e12098-wk-Fact-F79CD5AC97D380DF6E8CF94C9CAF58AB"
      unitRef="usd">36100000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2015Q4YTD_us-gaap_MultiemployerPlanTypeAxis_us-gaap_MultiemployerPlansPostretirementBenefitMember"
      decimals="-5"
      id="d8105146e12102-wk-Fact-D9DCA3F5A00FB9FBF0B8F94C9C9F3D0B"
      unitRef="usd">31400000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2017Q4YTD_us-gaap_RetirementPlanNameAxis_mdu_MultiemployerPlansDefinedContributionMember"
      decimals="-5"
      id="d8105146e12134-wk-Fact-4CE43CA8EC0F3E03F7F6F94C9C9FF381"
      unitRef="usd">32200000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2016Q4YTD_us-gaap_RetirementPlanNameAxis_mdu_MultiemployerPlansDefinedContributionMember"
      decimals="-5"
      id="d8105146e12138-wk-Fact-B38E7127CFD8CD27CF51F94C9C90056E"
      unitRef="usd">23800000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <us-gaap:MultiemployerPlanContributionsByEmployer
      contextRef="FD2015Q4YTD_us-gaap_RetirementPlanNameAxis_mdu_MultiemployerPlansDefinedContributionMember"
      decimals="-5"
      id="d8105146e12143-wk-Fact-6479370688A0925CC693F94C9C90A5C6"
      unitRef="usd">19500000</us-gaap:MultiemployerPlanContributionsByEmployer>
    <mdu:PublicUtilitiesJointlyOwnedFacilitiesDisclosureTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-38BDBC2E55761697502DF94C9CFDA3CF-0-wk-Fact-000D74580B00D48FDB08F94C9C90EA22">Jointly Owned Facilities&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The consolidated financial statements include the Company's ownership interests in the assets, liabilities and expenses of the Big Stone Station, Coyote Station and Wygen&#160;III. Each owner of the stations is responsible for financing its investment in the jointly owned facilities.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company's share of the stations operating expenses was reflected in the appropriate categories of operating expenses (fuel, operation and maintenance and taxes, other than income) in the Consolidated Statements of Income.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;At December&#160;31, the Company's share of the cost of utility plant in service and related accumulated depreciation for the stations was as follows:&lt;/span&gt;&lt;/div&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:66%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Big Stone Station:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Utility plant in service&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;158,084&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;157,144&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated depreciation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;51,740&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;49,568&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;106,344&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;107,576&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Coyote Station:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Utility plant in service&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;155,287&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;156,334&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated depreciation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;103,897&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;105,928&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;51,390&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;50,406&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Wygen III:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Utility plant in service&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;65,065&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;66,251&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated depreciation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7,652&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,550&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;57,413&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;58,701&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</mdu:PublicUtilitiesJointlyOwnedFacilitiesDisclosureTextBlock>
    <us-gaap:ScheduleOfJointlyOwnedUtilityPlantsTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-CD49E3971F77078AFCFCF94C9CFDA7FC-0-wk-Fact-340FFEFAE384DC037416F94C9CCEEB2B">At December&#160;31, the Company's share of the cost of utility plant in service and related accumulated depreciation for the stations was as follows:&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:66%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:15%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Big Stone Station:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Utility plant in service&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;158,084&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;157,144&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated depreciation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;51,740&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;49,568&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;106,344&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;107,576&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Coyote Station:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Utility plant in service&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;155,287&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;156,334&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated depreciation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;103,897&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;105,928&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;51,390&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;50,406&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Wygen III:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Utility plant in service&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;65,065&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;66,251&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated depreciation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7,652&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,550&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;57,413&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;58,701&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:ScheduleOfJointlyOwnedUtilityPlantsTextBlock>
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      id="TextSelection-F6CEF446D62F96102979F94C9CFD1A22-0-wk-Fact-91C2F063FD1BC66ACE11F94C9CCE20DF">Regulatory Matters &lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company regularly reviews the need for electric and natural gas rate changes in each of the jurisdictions in which service is provided. The Company files for rate adjustments to seek recovery of operating costs and capital investments, as well as reasonable returns as allowed by regulators. The Company's most recent cases by jurisdiction are discussed in the following paragraphs. The jurisdictions in which the Company provides service have requested the Company furnish plans for the effect of the reduced corporate tax rate due to the enactment of the TCJA which may impact the Company's rates. The following paragraphs include additional details on each jurisdiction's request.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;"&gt;IPUC&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On August&#160;12, 2016, Intermountain filed an application with the IPUC for a natural gas rate increase of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$10.2&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; annually or approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;4.1&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent above current rates. The request includes rate recovery associated with increased investment in facilities and increased operating expenses. On January&#160;17, 2017, Intermountain provided the IPUC with an updated revenue request of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$9.4 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. On April&#160;28, 2017, the IPUC issued an order approving an increase of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$4.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; or approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;1.6&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent above current rates based on a &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;9.5&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent return on equity effective with service rendered on and after May&#160;1, 2017. On May&#160;18, 2017, Intermountain filed a petition for reconsideration with the IPUC requesting the reconsideration of certain items denied in the order dated April&#160;28, 2017. On June&#160;15, 2017, the IPUC granted the request for reconsideration. On August&#160;17, 2017, Intermountain, the IPUC staff and the interveners of the case filed a stipulation and settlement resolving all issues. The stipulation and settlement reflected an increase of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.2&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; or &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;1.36&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent more in annual revenue than the amounts approved on April&#160;28, 2017, as well as changes in billing determinants. The total annual increase in revenue of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$6.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; was approved by the IPUC on September&#160;14, 2017, with rates effective October&#160;1, 2017.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On January&#160;17, 2018, the IPUC issued a general order initiating the investigation of the impacts of the TCJA. The order required the tax rate reduction to be deferred as a regulatory liability and for companies to report on the expected impacts of the TCJA by March&#160;30, 2018.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;"&gt;MNPUC&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On December&#160;21, 2016, Great Plains filed an application with the MNPUC requesting authority to implement a gas utility infrastructure cost tariff of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$456,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; annually. The tariff will allow Great Plains to recover infrastructure investments, not previously included in rates, mandated by federal or state agencies associated with Great Plains' pipeline integrity programs. On October&#160;6, 2017, the MNPUC approved the implementation of the natural gas utility infrastructure cost tariff to collect an annual increase of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$456,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. Great Plains submitted a compliance filing on October&#160;10, 2017, and the rates were implemented for service rendered on and after November&#160;1, 2017. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On December&#160;29, 2017, the MNPUC issued a notice of investigation related to tax changes with the enactment of the TCJA. On January&#160;19, 2018, the MNPUC issued a notice of request for information, commission planning meeting and subsequent comment period. Great Plains was to provide preliminary impacts of the TCJA by January&#160;30, 2018. A commission planning meeting was held on February&#160;6, 2018, to discuss the impacts of the TCJA. Initial filings addressing the impacts of the TCJA are to be submitted by March&#160;2, 2018.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;"&gt;MTPSC&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On September&#160;25, 2017, Montana-Dakota filed an application with the MTPSC for a natural gas rate increase of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$2.8&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; annually or approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;4.1&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent above current rates. The requested increase is primarily to recover the increased investment in distribution facilities to enhance system safety and reliability and the depreciation and taxes associated with the increase in investment. Montana-Dakota is also introducing an SSIP and the proposed adjustment mechanism required to fund the SSIP. Montana-Dakota requested an interim increase of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.6&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; or approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;2.3&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent, subject to refund. On December&#160;27, 2017, the MTPSC requested Montana-Dakota identify a plan for the impacts of the TCJA for the natural gas segment within the natural gas rate case. On January&#160;12, 2018, Montana-Dakota filed a revised interim increase of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$764,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, subject to refund, incorporating the estimated impacts of the TCJA reduction in the federal corporate income tax rate. A hearing is scheduled for April&#160;26, 2018. This matter is pending before the MTPSC. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On December&#160;27, 2017, the MTPSC requested Montana-Dakota identify a plan for the impacts of the TCJA and to file a proposal for the impacts on the electric segment by March&#160;31, 2018.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;"&gt;NDPSC&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On June&#160;30, 2017, Montana-Dakota filed an application for advance determination of prudence and a certificate of public convenience and necessity with the NDPSC to purchase an expansion of the Thunder Spirit Wind farm. The advance determination of prudence would provide Montana-Dakota with assurance that the project is prudent and in the best interest of the public and assists in the recovery of Montana-Dakota's investment upon completion of the project. The expansion is expected to serve customers by the end of 2018 and is estimated to cost approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$85&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. On November&#160;16, 2017, the NDPSC granted Montana-Dakota's request for an advance determination of prudence and certificate of public convenience and necessity to acquire and operate the Thunder Spirit Wind farm expansion. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On July&#160;21, 2017, Montana-Dakota filed an application with the NDPSC for a natural gas rate increase of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$5.9&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; annually or approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;5.4&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent above current rates. The requested increase is primarily to recover the increased investment in distribution facilities to enhance system safety and reliability and the depreciation and taxes associated with the increase in investment. Montana-Dakota is also introducing an SSIP and the proposed adjustment mechanism required to fund the SSIP. Montana-Dakota requested an interim increase of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$4.6&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; or approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;4.2&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent, subject to refund. On September&#160;6, 2017, the NDPSC approved the request for interim rates effective with service rendered on or after September&#160;19, 2017. On January&#160;12, 2018, Montana-Dakota requested a delay of the rate case as a result of the enactment of the TCJA to allow the Company time to investigate the implications of the TCJA on the rate case. On February 14, 2018, the NDPSC approved the delay of hearing and scheduled it to begin on May 30, 2018. Also on February&#160;14, 2018, Montana-Dakota filed a revised interim increase request of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$2.7 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, subject to refund, incorporating the estimated impacts of the TCJA reduction in the federal corporate income tax rate.This matter is pending before the NDPSC.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On January&#160;10, 2018, the NDPSC issued a general order initiating the investigation into the effects of the TCJA. The order required regulatory deferral accounting on the impacts of the TCJA and for companies to file comments and the expected impacts. On February&#160;15, 2018, Montana-Dakota filed a summary of the primary impacts of the TCJA on the electric and natural gas utilities.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;"&gt;OPUC&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On September&#160;29, 2017, Cascade filed an application with the OPUC for an annual pipeline replacement safety cost recovery mechanism of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$784,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; or approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;1.2 percent&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; of additional revenue. The requested increase includes incremental pipeline replacement investments associated with qualifying pipeline integrity projects. This matter is pending before the OPUC.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On December&#160;29, 2017, Cascade filed a request with the OPUC to use deferral accounting for the 2018 net benefits associated with the implementation of the TCJA. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;"&gt;SDPUC&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On December 29, 2017, the SDPUC issued an order initiating the investigation into the effects of the TCJA. The order required Montana-Dakota to provide comments by February&#160;1, 2018, regarding the general effects of the TCJA on the cost of service in South Dakota and possible mechanisms for adjusting rates. The order also stated that all rates impacted by the federal income tax shall be adjusted effective January&#160;1, 2018, subject to refund.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;"&gt;WUTC&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On May 31, 2017, Cascade filed an application with the WUTC for an annual pipeline replacement cost recovery mechanism of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.6&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; or approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;.75 percent&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; of additional revenue. The requested increase includes incremental pipeline replacement investments associated with qualifying pipeline integrity projects. On October&#160;12, 2017, Cascade filed a required update revising the request to approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; or approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;.61&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent of additional revenue and on October&#160;26, 2017, the WUTC approved the order with rates effective November&#160;1, 2017.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On August&#160;31, 2017, Cascade filed an application with the WUTC for a natural gas rate increase of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$5.9&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; annually or approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;2.7&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent above current rates. The requested increase includes costs associated with increased infrastructure investment and the associated operating expenses. Also included in the request is recovery of operation and maintenance costs associated with a maximum allowable operating pressure validation plan. On January&#160;3, 2018, the WUTC filed a bench request requiring Cascade to provide information related to the impacts of the TCJA on Cascade's revenue requirement and a proposed ratemaking treatment of those impacts. On January&#160;12, 2018, Cascade filed a response to the bench request reducing the revenue requirement to approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; annually, which includes the estimated impacts of the TCJA. This matter is pending before the WUTC. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;"&gt;WYPSC&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On December&#160;29, 2017, the WYPSC issued a general order requiring regulatory deferral accounting on the impacts of the TCJA. A technical conference was held on February&#160;6, 2018, to discuss the implications of the TCJA.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;"&gt;FERC&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;On September&#160;1, 2017, Montana-Dakota submitted an update to its transmission formula rate under the MISO tariff, which reflects an incremental increase of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$2.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; to include a revenue requirement for the Company's multivalue project, for a total of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$13.6&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, which was effective January 1, 2018.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Montana-Dakota and certain MISO Transmission Owners with projected rates submitted a filing to the FERC on February&#160;1, 2018, requesting the FERC to waive certain provisions of the MISO tariff in order for Montana-Dakota and certain MISO Transmission Owners with projected rates to revise their rates to reflect the reduction in the corporate tax rate. Under the MISO tariff, rates are to be changed only on an annual basis with any changes reflected in subsequent true-ups. If the waiver is granted, MISO expects to implement new rates reflecting the reduction in the tax rate beginning with services rendered on March&#160;1, 2018, and will re-bill January and February 2018 services to reflect the new rates.&lt;/span&gt;&lt;/div&gt;On February&#160;7, 2018, WBI Energy Transmission announced it will hold an initial rate change pre-filing settlement meeting with customers on April&#160;10, 2018. In accordance with WBI Energy Transmission&#x2019;s offer of settlement and stipulation and agreement with the FERC dated June&#160;4, 2014, the Company is to make a filing with new proposed rates to be effective no later than May&#160;1, 2019. Assuming a five-month suspension period, WBI Energy Transmission would expect to file by October&#160;31, 2018.</us-gaap:PublicUtilitiesDisclosureTextBlock>
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      id="TextSelection-C3F6F3231C5B852D2FFBF94C9CFDDA16-0-wk-Fact-69BC92189E03858A864EF94C9C901CA9">Commitments and Contingencies&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company is party to claims and lawsuits arising out of its business and that of its consolidated subsidiaries, which may include, but are not limited to, matters involving property damage, personal injury, and environmental, contractual, statutory and regulatory obligations. The Company accrues a liability for those contingencies when the incurrence of a loss is probable and the amount can be reasonably estimated. If a range of amounts can be reasonably estimated and no amount within the range is a better estimate than any other amount, then the minimum of the range is accrued. The Company does not accrue liabilities when the likelihood that the liability has been incurred is probable but the amount cannot be reasonably estimated or when the liability is believed to be only reasonably possible or remote. For contingencies where an unfavorable outcome is probable or reasonably possible and which are material, the Company discloses the nature of the contingency and, in some circumstances, an estimate of the possible loss. Accruals are based on the best information available, but in certain situations management is unable to estimate an amount or range of a reasonably possible loss including, but not limited to when: (1) the damages are unsubstantiated or indeterminate, (2) the proceedings are in the early stages, (3) numerous parties are involved, or (4) &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;the matter involves novel or unsettled legal theories. The Company accrued liabilities of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$35.4&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$31.8&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, which have not been discounted, including liabilities held for sale, for contingencies, including litigation, production taxes, royalty claims and environmental matters at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively. This includes amounts that may have been accrued for matters discussed in Litigation and Environmental matters within this note. The Company will continue to monitor each matter and adjust accruals as might be warranted based on new information and further developments. Management believes that the outcomes with respect to probable and reasonably possible losses in excess of the amounts accrued, net of insurance recoveries, while uncertain, either cannot be estimated or will not have a material effect upon the Company's financial position, results of operations or cash flows. Unless otherwise required by GAAP, legal costs are expensed as they are incurred.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Litigation&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Construction Services&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;Capital Electric provided employees in 2012 to perform work for a contractor on a project in Kansas. One of the Capital Electric employees was injured while working on the project and brought a lawsuit against the contractor. Judgment was entered in favor of the employee and his spouse on November&#160;3, 2016, in the amount of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$44.8&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; following a court determination that the employee&#x2019;s injuries were caused by the contractor&#x2019;s negligence. The contractor claims that Capital Electric was contractually required, but failed, to name the contractor as an additional insured under any liability policy in effect at the time of the project and that such failure resulted in the entry of judgment against the contractor. In March 2017, Capital Electric filed a petition for declaratory judgment in the District Court of Wyandotte County, Kansas for a judicial determination that any agreement between Capital Electric and the contractor for the project did not require Capital Electric to include the contractor as an additional insured under any liability policy issued to Capital Electric and that if such an agreement was found to exist, it would be void and unenforceable under Kansas law. Subsequent to December&#160;31, 2017, the matter has been settled with Capital Electric being released from all claims of liability and the declaratory judgment action being dismissed.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Environmental matters&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Portland Harbor Site &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In December 2000, Knife River&#160;- Northwest was named by the EPA as a PRP in connection with the cleanup of a riverbed site adjacent to a commercial property site acquired by Knife River&#160;- Northwest from Georgia-Pacific West, Inc. in 1999. The riverbed site is part of the Portland, Oregon, Harbor Superfund Site. The EPA wants responsible parties to share in the cleanup of sediment contamination in the Willamette River. To date, costs of the overall remedial investigation and feasibility study of the harbor site are being recorded, and initially paid, through an administrative consent order by the LWG, a group of several entities, which does not include Knife River&#160;- Northwest or Georgia-Pacific West, Inc. Investigative costs are indicated to be in excess of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$100&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. On January&#160;6, 2017, Region&#160;10 of the EPA issued an ROD with its selected remedy for cleanup of the in-river portion of the site. Implementation of the remedy is expected to take up to 13&#160;years with a present value cost estimate of approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1&#160;billion&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. Corrective action will not be taken until remedial design/remedial action plans are approved by the EPA. Knife River&#160;- Northwest also received notice in January 2008 that the Portland Harbor Natural Resource Trustee Council intends to perform an injury assessment to natural resources resulting from the release of hazardous substances at the Harbor Superfund Site. The Portland Harbor Natural Resource Trustee Council indicates the injury determination is appropriate to facilitate early settlement of damages and restoration for natural resource injuries. It is not possible to estimate the costs of natural resource damages until an assessment is completed and allocations are undertaken.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Based upon a review of the Portland Harbor sediment contamination evaluation by the Oregon DEQ and other information available, Knife River&#160;- Northwest does not believe it is a responsible party. In addition, Knife River&#160;- Northwest has notified Georgia-Pacific West, Inc., that it intends to seek indemnity for liabilities incurred in relation to the above matters pursuant to the terms of their sale agreement. Knife River&#160;- Northwest has entered into an agreement tolling the statute of limitations in connection with the LWG's potential claim for contribution to the costs of the remedial investigation and feasibility study. By letter in March 2009, LWG stated its intent to file suit against Knife River&#160;- Northwest and others to recover LWG's investigation costs to the extent Knife River&#160;- Northwest cannot demonstrate its non-liability for the contamination or is unwilling to participate in an alternative dispute resolution process that has been established to address the matter. At this time, Knife River&#160;- Northwest has agreed to participate in the alternative dispute resolution process.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company believes it is not probable that it will incur any material environmental remediation costs or damages in relation to the above referenced matter.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Manufactured Gas Plant Sites &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;There are three claims against Cascade for cleanup of environmental contamination at manufactured gas plant sites operated by Cascade's predecessors.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The first claim is for contamination at a site in Eugene, Oregon which was received in 1995. There are PRPs in addition to Cascade that may be liable for cleanup of the contamination. Some of these PRPs have shared in the investigation costs. It is expected that these and other PRPs will share in the cleanup costs. The Oregon DEQ released an ROD in January 2015 that selected a remediation alternative for the site as recommended in an earlier staff report. The total estimated cost for the selected remediation, including long-term maintenance, is approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$3.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; of which &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$400,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; has been incurred. It is not known at this time what share of the cleanup costs will &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;actually be borne by Cascade; however, Cascade has paid &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;50&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent of the ongoing investigation and design costs and anticipates its proportional share of the final costs could be approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;50&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;percent. Cascade has an accrual balance of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.6&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; for remediation of this site. In January&#160;2013, the OPUC approved Cascade's application to defer environmental remediation costs at the Eugene site for a period of 12&#160;months starting November&#160;30, 2012. Cascade received orders reauthorizing the deferred accounting for the 12-month periods starting November&#160;30, 2013, December&#160;1, 2014, December&#160;1, 2015, December 1, 2016 and December 1, 2017.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The second claim is for contamination at the Bremerton Gasworks Superfund Site in Bremerton, Washington which was received in 1997. A preliminary investigation has found soil and groundwater at the site contain contaminants requiring further investigation and cleanup. The EPA conducted a Targeted Brownfields Assessment of the site and released a report summarizing the results of that assessment in August 2009. The assessment confirms that contaminants have affected soil and groundwater at the site, as well as sediments in the adjacent Port Washington Narrows. Alternative remediation options have been identified with preliminary cost estimates ranging from &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$340,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; to &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$6.4&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. Data developed through the assessment and previous investigations indicates the contamination likely derived from multiple, different sources and multiple current and former owners of properties and businesses in the vicinity of the site may be responsible for the contamination. In April 2010, the Washington DOE issued notice it considered Cascade a PRP for hazardous substances at the site. In May 2012, the EPA added the site to the National Priorities List of Superfund sites. Cascade has entered into an administrative settlement agreement and consent order with the EPA regarding the scope and schedule for a remedial investigation and feasibility study for the site. Current estimates for the cost to complete the remedial investigation and feasibility study are approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$7.6&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; of which &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$1.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; has been incurred. Cascade has accrued &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$5.9&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; for the remedial investigation and feasibility study as well as &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$6.4&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; for remediation of this site; however, the accrual for remediation costs will be reviewed and adjusted, if necessary, after completion of the remedial investigation and feasibility study. In April 2010, Cascade filed a petition with the WUTC for authority to defer the costs, which are included in other noncurrent assets, incurred in relation to the environmental remediation of this site. The WUTC approved the petition in September 2010, subject to conditions set forth in the order.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The third claim is for contamination at a site in Bellingham, Washington. Cascade received notice from a party in May 2008 that Cascade may be a PRP, along with other parties, for contamination from a manufactured gas plant owned by Cascade and its predecessor from about 1946 to 1962. The notice indicates that current estimates to complete investigation and cleanup of the site exceed &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$8.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. Other PRPs have reached an agreed order and work plan with the Washington DOE for completion of a remedial investigation and feasibility study for the site. A report documenting the initial phase of the remedial investigation was completed in June 2011. There is currently not enough information available to estimate the potential liability to Cascade associated with this claim although Cascade believes its proportional share of any liability will be relatively small in comparison to other PRPs. The plant manufactured gas from coal between approximately 1890 and 1946. In 1946, shortly after Cascade's predecessor acquired the plant, it converted the plant to a propane-air gas facility. There are no documented wastes or by-products resulting from the mixing or distribution of propane-air gas. Cascade has not recorded an accrual for this site.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Cascade has received notices from and entered into agreement with certain of its insurance carriers that they will participate in defense of Cascade for these contamination claims subject to full and complete reservations of rights and defenses to insurance coverage. To the extent these claims are not covered by insurance, Cascade intends to seek recovery through the OPUC and WUTC of remediation costs in its natural gas rates charged to customers. The accruals related to these matters are reflected in regulatory assets. For more information, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;4&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Operating leases&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company leases certain equipment, facilities and land under operating lease agreements. The amounts of annual minimum lease payments due under these leases as of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were:&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="19"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:28%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2019&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2020&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2021&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2022&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Thereafter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating leases&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;55,511&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;45,307&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;33,168&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;18,562&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,047&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;40,833&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Rent expense was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$73.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$65.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$53.9&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;for the years ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Purchase commitments &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company has entered into various commitments, largely construction, natural gas and coal supply, purchased power, natural gas transportation and storage, and service, shipping and construction materials supply contracts, some of which are subject to variability in volume and price. The commitment terms vary in length, up to &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;43&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;years. The commitments under these contracts as of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were: &lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="19"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:28%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2019&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2020&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2021&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2022&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Thereafter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Purchase commitments&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;360,751&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;215,005&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;162,424&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;135,334&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;99,068&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;773,820&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;These commitments were not reflected in the Company's consolidated financial statements. Amounts purchased under various commitments for the years ended &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2015&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$516.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$539.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&#160;and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$842.1&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, respectively.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Guarantees&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In June 2016, WBI Energy sold all of the outstanding membership interests in Dakota Prairie Refining. In connection with the sale, Centennial agreed to continue to guarantee certain debt obligations of Dakota Prairie Refining which totaled &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$56.3&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, and are expected to mature in 2023. Tesoro agreed to indemnify Centennial for any losses and litigation expenses arising from the guarantee. The estimated fair values of the indemnity asset and guarantee liability are reflected in deferred charges and other assets - other and deferred credits and other liabilities - other, respectively, on the Consolidated Balance Sheets. Continuation of the guarantee was required as a condition to the sale of Dakota Prairie Refining.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In March 2016, a sale agreement was signed to sell Fidelity's assets in the Paradox Basin. In connection with the sale, Centennial agreed to guarantee Fidelity's indemnity obligations associated with the Paradox Basin assets. The guarantee was required by the buyer as a condition to the sale of the Paradox Basin assets.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In 2009, multiple sale agreements were signed to sell the Company's ownership interests in the Brazilian Transmission Lines. In connection with the sale, Centennial has agreed to guarantee payment of any indemnity obligations of certain of the Company's indirect wholly owned subsidiaries who are the sellers in three purchase and sale agreements for periods ranging up to 10&#160;years from the date of sale. The guarantees were required by the buyers as a condition to the sale of the Brazilian Transmission Lines.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Certain subsidiaries of the Company have outstanding guarantees to third parties that guarantee the performance of other subsidiaries of the Company. These guarantees are related to construction contracts, insurance deductibles and loss limits, and certain other guarantees. At &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, the fixed maximum amounts guaranteed under these agreements aggregated &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$108.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. The amounts of scheduled expiration of the maximum amounts guaranteed under these agreements aggregate &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$6.4&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2018&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;; &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$25.9&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2019&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;; &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$68.7&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;2020&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;; &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$500,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2021&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;; &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$500,000&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; in &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2022&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;; &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$2.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; thereafter; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$4.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, which has no scheduled maturity date. There were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;no&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; amounts outstanding under the above guarantees at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. In the event of default under these guarantee obligations, the subsidiary issuing the guarantee for that particular obligation would be required to make payments under its guarantee. &lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Certain subsidiaries have outstanding letters of credit to third parties related to insurance policies and other agreements, some of which are guaranteed by other subsidiaries of the Company. At &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, the fixed maximum amounts guaranteed under these letters of credit aggregated &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$34.0&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, all of which expire in 2018. There were &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;no&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; amounts outstanding under the above letters of credit at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;. In the event of default under these letter of credit obligations, the subsidiary issuing the letter of credit for that particular obligation would be required to make payments under its letter of credit.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In addition, Centennial, Knife River and MDU Construction Services have issued guarantees to third parties related to the routine purchase of maintenance items, materials and lease obligations for which no fixed maximum amounts have been specified. These guarantees have no scheduled maturity date. In the event a subsidiary of the Company defaults under these obligations, Centennial, Knife River and MDU Construction Services would be required to make payments under these guarantees. Any amounts outstanding by subsidiaries of the Company for these guarantees were reflected on the Consolidated Balance Sheet at &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In the normal course of business, Centennial has surety bonds related to construction contracts and reclamation obligations of its subsidiaries. In the event a subsidiary of Centennial does not fulfill a bonded obligation, Centennial would be responsible to the surety bond company for completion of the bonded contract or obligation. A large portion of the surety bonds is expected to expire within the next 12&#160;months; however, Centennial will likely continue to enter into surety bonds for its subsidiaries in the future. As of &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, approximately &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;&lt;span&gt;$616.5&#160;million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; of surety bonds were outstanding, which were not reflected on the Consolidated Balance Sheet.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Variable interest entities&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The Company evaluates its arrangements and contracts with other entities to determine if they are VIEs and if so, if the Company is the primary beneficiary. For more information, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;1&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;Fuel Contract&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; Coyote Station entered into a coal supply agreement with Coyote Creek that provides for the purchase of coal necessary to supply the coal requirements of the Coyote Station for the period May 2016 through December 2040. Coal purchased under the coal supply agreement is reflected in inventories on the Company's Consolidated Balance Sheets and is recovered from customers as a component of electric fuel and purchased power.&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The coal supply agreement creates a variable interest in Coyote Creek due to the transfer of all operating and economic risk to the Coyote Station owners, as the agreement is structured so that the price of the coal will cover all costs of operations as well as future reclamation costs. The Coyote Station owners are also providing a guarantee of the value of the assets of Coyote Creek as they would be required to buy the assets at book value should they terminate the contract prior to the end of the contract term and are providing a guarantee of the value of the equity of Coyote Creek in that they are required to buy the entity at the end of the contract term at equity value. Although the Company has determined that Coyote Creek is a VIE, the Company has concluded that it is not the primary beneficiary of Coyote Creek because the authority to direct the activities of the entity is shared by the four unrelated owners of the Coyote Station, with no primary beneficiary existing. As a result, Coyote Creek is not required to be consolidated in the Company's financial statements.&lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;At &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, the Company's exposure to loss as a result of the Company's involvement with the VIE, based on the Company's ownership percentage was &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;&lt;span&gt;$40.8&#160;million&lt;/span&gt;&lt;/span&gt;.</us-gaap:CommitmentsAndContingenciesDisclosureTextBlock>
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      id="TextSelection-FB82933B3D8E9C2EEA5D668CC2867CE4-0-wk-Fact-9ABCC45D68FC705652D26694A2D5AD79">The amounts of annual minimum lease payments due under these leases as of &lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were:&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="19"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:28%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2019&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2020&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2021&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2022&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Thereafter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating leases&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;55,511&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;45,307&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;33,168&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;18,562&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;7,047&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;40,833&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock>
    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent
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      id="d8064985e1558-wk-Fact-9471EA3126A24BA454926853AB2C13FC"
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      id="d8064985e1573-wk-Fact-2196EF9DFD9BD22EE2506853C88A14CC"
      unitRef="usd">18562000</us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears>
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    <us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter
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      id="d8064985e1601-wk-Fact-E0C714A0F3747BA3C2636853F858A202"
      unitRef="usd">40833000</us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter>
    <us-gaap:OperatingLeasesRentExpenseNet
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    <us-gaap:OperatingLeasesRentExpenseNet
      contextRef="FD2016Q4YTD"
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    <us-gaap:OperatingLeasesRentExpenseNet
      contextRef="FD2015Q4YTD"
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      id="d8064985e1620-wk-Fact-8BA923BC326B111D881A6859014FA1A6"
      unitRef="usd">53900000</us-gaap:OperatingLeasesRentExpenseNet>
    <us-gaap:UnrecordedUnconditionalPurchaseObligationTerm
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      id="d8064985e1643-wk-Fact-542D5D56A9ED584CF8D48B0E7448E0D6">P43Y</us-gaap:UnrecordedUnconditionalPurchaseObligationTerm>
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      id="TextSelection-E399F75923485E133B276695070CA85A-0-wk-Fact-7C480C688CA1364FBF2366964B66F6D2">The commitments under these contracts as of &lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"&gt;December&#160;31, 2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;, were: &lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="19"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:28%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2018&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2019&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2020&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2021&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2022&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Thereafter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Purchase commitments&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;360,751&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;215,005&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;162,424&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;135,334&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;99,068&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;773,820&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;</us-gaap:LongTermPurchaseCommitmentTextBlock>
    <us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
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      unitRef="usd">360751000</us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary>
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      id="d8064985e1894-wk-Fact-62E08F2C8F545B3DBDA86864A649DC1D"
      unitRef="usd">215005000</us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary>
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      id="d8064985e1908-wk-Fact-FAE797146A3B42BDBC9F6864C907C9C9"
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      unitRef="usd">135334000</us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary>
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      id="d8064985e1937-wk-Fact-D7B537A1DD7AB4FEEAE26865A05646CB"
      unitRef="usd">99068000</us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary>
    <us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears
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      id="d8064985e1951-wk-Fact-45B5E11EC7F707AB68C66865B1C4286C"
      unitRef="usd">773820000</us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears>
    <us-gaap:UnrecordedUnconditionalPurchaseObligationPurchases
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      decimals="-5"
      id="d8064985e1978-wk-Fact-231D30A7BE248546246B6862CC3E76CF"
      unitRef="usd">539300000</us-gaap:UnrecordedUnconditionalPurchaseObligationPurchases>
    <us-gaap:UnrecordedUnconditionalPurchaseObligationPurchases
      contextRef="FD2015Q4YTD"
      decimals="-5"
      id="d8064985e1983-wk-Fact-F637F6936EAD5835F4DC6862CC534F22"
      unitRef="usd">842100000</us-gaap:UnrecordedUnconditionalPurchaseObligationPurchases>
    <us-gaap:GuaranteeObligationsMaximumExposure
      contextRef="FI2017Q4_us-gaap_GuaranteeObligationsByNatureAxis_us-gaap_FinancialGuaranteeMember"
      decimals="-5"
      id="d8064985e1994-wk-Fact-F16464805E8C88ED2AB8F94C9CDE7DD7"
      unitRef="usd">56300000</us-gaap:GuaranteeObligationsMaximumExposure>
    <us-gaap:GuaranteeObligationsMaximumExposure
      contextRef="FI2017Q4"
      decimals="-5"
      id="d8064985e2015-wk-Fact-6AED154BED2BE9A95998F94C9C80BD66"
      unitRef="usd">108000000.0</us-gaap:GuaranteeObligationsMaximumExposure>
    <mdu:FixedMaximumAmountsGuaranteedByYearOne
      contextRef="FI2017Q4"
      decimals="-5"
      id="d8064985e2019-wk-Fact-497B235E41A3E813F8F1F94C9C8066C8"
      unitRef="usd">6400000</mdu:FixedMaximumAmountsGuaranteedByYearOne>
    <mdu:FixedMaximumAmountsGuaranteedByYearTwo
      contextRef="FI2017Q4"
      decimals="-5"
      id="d8064985e2027-wk-Fact-E8EFACC620B10B668720F94C9C803C07"
      unitRef="usd">25900000</mdu:FixedMaximumAmountsGuaranteedByYearTwo>
    <mdu:FixedMaximumAmountsGuaranteedByYearThree
      contextRef="FI2017Q4"
      decimals="-5"
      id="d8064985e2036-wk-Fact-00EB063CC3D9A4ABCBBBF94C9CCE40A0"
      unitRef="usd">68700000</mdu:FixedMaximumAmountsGuaranteedByYearThree>
    <mdu:FixedMaximumAmountsGuaranteedByYearFour
      contextRef="FI2017Q4"
      decimals="0"
      id="d8064985e2044-wk-Fact-6868F33FE0859073CCB5686B75E6EC32"
      unitRef="usd">500000</mdu:FixedMaximumAmountsGuaranteedByYearFour>
    <mdu:FixedMaximumAmountsGuaranteedByYearFive
      contextRef="FI2017Q4"
      decimals="0"
      id="d8064985e2052-wk-Fact-80EA0CBBA3070AB3C751686CE23F3C9F"
      unitRef="usd">500000</mdu:FixedMaximumAmountsGuaranteedByYearFive>
    <mdu:FixedMaximumAmountsGuaranteedThereafter
      contextRef="FI2017Q4"
      decimals="-5"
      id="d8064985e2061-wk-Fact-FD64405D800C96A91506686D9EAEC5F2"
      unitRef="usd">2000000.0</mdu:FixedMaximumAmountsGuaranteedThereafter>
    <mdu:FixedMaximumAmountsGuaranteedByYearNoMaturityDate
      contextRef="FI2017Q4"
      decimals="-5"
      id="d8064985e2065-wk-Fact-55A520B76A44B6AD8953F94C9C909DAE"
      unitRef="usd">4000000.0</mdu:FixedMaximumAmountsGuaranteedByYearNoMaturityDate>
    <mdu:AmountOutstandingUnderGuaranteesThatIsReflectedOnBalanceSheet
      contextRef="FI2017Q4"
      decimals="0"
      id="d8064985e2069-wk-Fact-9C1420F98141B312EF20F94C9CCE5480"
      unitRef="usd">0</mdu:AmountOutstandingUnderGuaranteesThatIsReflectedOnBalanceSheet>
    <mdu:LettersofCreditSettoExpireinNextFiscalYear
      contextRef="FI2017Q4"
      decimals="-5"
      id="d8064985e2084-wk-Fact-27E379988972E930562EF94C9CDED48C"
      unitRef="usd">34000000.0</mdu:LettersofCreditSettoExpireinNextFiscalYear>
    <us-gaap:LettersOfCreditOutstandingAmount
      contextRef="FI2017Q4"
      decimals="0"
      id="d8064985e2088-wk-Fact-751D9F88ACB4700A0305F94C9C9F4923"
      unitRef="usd">0</us-gaap:LettersOfCreditOutstandingAmount>
    <mdu:AmountOfSuretyBondsOutstanding
      contextRef="FI2017Q4"
      decimals="-5"
      id="d8064985e2110-wk-Fact-3375C5E97882BF1A2E0AF94C9C802AAB"
      unitRef="usd">616500000</mdu:AmountOfSuretyBondsOutstanding>
    <us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount
      contextRef="FI2017Q4_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_mdu_FuelContractMember"
      decimals="-5"
      id="d8064985e2150-wk-Fact-C07ED46629D9A6B90EEDF94C9C9F06B5"
      unitRef="usd">40800000</us-gaap:VariableInterestEntityEntityMaximumLossExposureAmount>
    <us-gaap:QuarterlyFinancialInformationTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-31D684794B5F9EC0BB33F94C9CFD972C-0-wk-Fact-D163DB6ED630731066B9F94C9CCE2E9E">Supplementary Financial Information&lt;div style="line-height:120%;padding-top:0px;font-size:10.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;"&gt;Quarterly Data (Unaudited)&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The following unaudited information shows selected items by quarter for the years &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;: &lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;First&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quarter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Second&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quarter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Third&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quarter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fourth&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quarter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands, except per share amounts)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;text-decoration:underline;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating revenues&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;937,925&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,067,639&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,272,548&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,165,239&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating expenses&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;870,813&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;987,960&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,116,171&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,039,695&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating income&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;67,112&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;79,679&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;156,377&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;125,544&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income from continuing operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;35,638&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;44,405&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;89,549&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;115,394&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income (loss) from discontinued operations attributable to the Company, net of tax&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,687&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(3,190&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(2,198&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(82&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net income attributable to the Company&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;37,325&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;41,215&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;87,351&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;115,312&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings per common share - basic:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings before discontinued operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.18&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.22&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.46&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.59&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Discontinued operations attributable to the Company, net of tax&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.01&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(.01&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(.01&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings per common share - basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.19&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.21&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.45&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.59&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings per common share - diluted:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings before discontinued operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.18&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.22&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.46&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.59&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Discontinued operations attributable to the Company, net of tax&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.01&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(.01&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(.01&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings per common share - diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.19&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.21&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.45&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.59&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Weighted average common shares outstanding:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;196,023&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,973&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,783&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,617&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;text-decoration:underline;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating revenues&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;860,214&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,043,948&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,208,567&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,016,099&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating expenses&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;798,229&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;954,983&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,061,883&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;904,613&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating income&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;61,985&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;88,965&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;146,684&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;111,486&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income from continuing operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;31,865&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;46,298&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;88,386&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;66,547&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Loss from discontinued operations attributable to the Company, net of tax&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,996&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(155,451&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(5,400&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(816&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net income (loss) attributable to the Company&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24,869&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(109,153&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;82,986&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;65,731&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings (loss) per common share - basic:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings before discontinued operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.16&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.24&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.45&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.34&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Discontinued operations attributable to the Company, net of tax&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.03&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.80&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.03&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings (loss) per common share - basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.13&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.56&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.42&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.34&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings (loss) per common share - diluted:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings before discontinued operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.16&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.24&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.45&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.33&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Discontinued operations attributable to the Company, net of tax&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.03&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.80&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.03&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings (loss) per common share - diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.13&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.56&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.42&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.33&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Weighted average common shares outstanding:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,284&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,284&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,699&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,811&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,889&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; Notes:&lt;/span&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:24px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:12px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#x2022;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Fourth quarter 2016 reflects a reduction to a previously recorded MEPP withdrawal liability of &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$11.1 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; (before tax). For more information, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;14&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:24px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:12px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#x2022;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;First quarter 2016 has been recast to present the results of operations of Dakota Prairie Refining as discontinued operations, other than certain general and administrative costs and interest expense which were previously allocated to the former refining segment and do not meet the criteria for income (loss) from discontinued operations.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:24px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:12px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#x2022;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Fourth quarter 2017 reflects an income tax benefit of &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$39.5 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; related to the TCJA. For more information, see Note &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;text-transform:default;"&gt;11&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;Certain Company operations are highly seasonal and revenues from and certain expenses for such operations may fluctuate significantly among quarterly periods. Accordingly, quarterly financial information may not be indicative of results for a full year.</us-gaap:QuarterlyFinancialInformationTextBlock>
    <us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock
      contextRef="FD2017Q4YTD"
      id="TextSelection-8F9737A883A2599AEFB1F94C9CFD7CF7-0-wk-Fact-D9723B3719E2BFAB6E3BF94C9CDE9C57">The following unaudited information shows selected items by quarter for the years &lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;: &lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="13"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:48%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;First&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quarter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Second&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quarter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Third&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quarter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Fourth&lt;/span&gt;&lt;/div&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Quarter&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands, except per share amounts)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;text-decoration:underline;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating revenues&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;937,925&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,067,639&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,272,548&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,165,239&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating expenses&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;870,813&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;987,960&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,116,171&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,039,695&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating income&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;67,112&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;79,679&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;156,377&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;125,544&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income from continuing operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;35,638&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;44,405&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;89,549&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;115,394&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income (loss) from discontinued operations attributable to the Company, net of tax&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,687&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(3,190&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(2,198&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(82&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net income attributable to the Company&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;37,325&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;41,215&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;87,351&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;115,312&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings per common share - basic:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings before discontinued operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.18&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.22&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.46&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.59&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Discontinued operations attributable to the Company, net of tax&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.01&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(.01&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(.01&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings per common share - basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.19&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.21&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.45&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.59&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings per common share - diluted:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings before discontinued operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.18&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.22&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.46&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.59&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Discontinued operations attributable to the Company, net of tax&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.01&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(.01&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(.01&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings per common share - diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.19&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.21&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.45&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;.59&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Weighted average common shares outstanding:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;196,023&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,973&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,783&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,617&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;text-decoration:underline;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating revenues&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;860,214&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,043,948&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,208,567&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,016,099&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating expenses&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;798,229&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;954,983&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,061,883&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;904,613&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating income&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;61,985&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;88,965&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;146,684&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;111,486&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income from continuing operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;31,865&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;46,298&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;88,386&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;66,547&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Loss from discontinued operations attributable to the Company, net of tax&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(6,996&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(155,451&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(5,400&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(816&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net income (loss) attributable to the Company&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24,869&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(109,153&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;82,986&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;65,731&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings (loss) per common share - basic:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings before discontinued operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.16&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.24&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.45&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.34&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Discontinued operations attributable to the Company, net of tax&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.03&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.80&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.03&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings (loss) per common share - basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.13&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.56&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.42&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.34&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings (loss) per common share - diluted:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings before discontinued operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.16&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.24&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.45&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.33&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Discontinued operations attributable to the Company, net of tax&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.03&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.80&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.03&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings (loss) per common share - diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.13&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(.56&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.42&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;.33&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Weighted average common shares outstanding:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Basic&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,284&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,304&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Diluted&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,284&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,699&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,811&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,889&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; Notes:&lt;/span&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:24px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:12px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#x2022;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Fourth quarter 2016 reflects a reduction to a previously recorded MEPP withdrawal liability of &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$11.1 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; (before tax). For more information, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;14&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:24px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:12px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#x2022;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;First quarter 2016 has been recast to present the results of operations of Dakota Prairie Refining as discontinued operations, other than certain general and administrative costs and interest expense which were previously allocated to the former refining segment and do not meet the criteria for income (loss) from discontinued operations.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:24px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:12px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;&#x2022;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Fourth quarter 2017 reflects an income tax benefit of &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"&gt;&lt;span&gt;$39.5 million&lt;/span&gt;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; related to the TCJA. For more information, see Note &lt;/span&gt;&lt;span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;text-transform:default;"&gt;11&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;</us-gaap:ScheduleOfQuarterlyFinancialInformationTableTextBlock>
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      id="d8064185e3458-wk-Fact-4FE1623CF42146A67632F94C9CCEBC4F"
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      id="d8064185e3472-wk-Fact-520AEE7A8A0E1FFDD400F94C9CCE05CC"
      unitRef="usdPerShare">-0.56</us-gaap:EarningsPerShareDiluted>
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      id="d8064185e3487-wk-Fact-85BB9D27A463624A7E57F94C9CCEB78B"
      unitRef="usdPerShare">0.42</us-gaap:EarningsPerShareDiluted>
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      decimals="2"
      id="d8064185e3501-wk-Fact-00B6C21CA875B293B871F94C9CCE6240"
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      id="d8064185e3585-wk-Fact-15E746036387FDCC52DEF94C9CCEEA41"
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      decimals="-3"
      id="d8064185e3599-wk-Fact-CFA9BF0063ED1C2C4C59F94C9CCE38C3"
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      decimals="-3"
      id="d8064185e3613-wk-Fact-16B249F1376F33CA8476F94C9CCEE58F"
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      decimals="-3"
      id="d8064185e3627-wk-Fact-E4C1FB5A89133FCA3292F94C9CCE2CD5"
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      id="d8064185e3648-wk-Fact-30DCBCB13001F554A4B2F94C9CAFD62A"
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      id="d8064185e3662-wk-Fact-1BA951DCD6C7DA92200CF94C9CAF8A50"
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      id="d8064185e3676-wk-Fact-3C65673BA4A56D94CF35F94C9CCE9C26"
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      id="TextSelection-B42FB5FCDF25971F55BDF94C9CFDA868-0-wk-Fact-C586D658C91F1B87869EF94C9C90A256">Exploration and Production Activities (Unaudited)&lt;div style="line-height:140%;padding-top:0px;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;In the second quarter of 2015, the Company began the marketing and sale process of Fidelity with an anticipated sale to occur within one year. &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Between September 2015 and March 2016, the Company entered into purchase and sale agreements to sell substantially all of &lt;/span&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;Fidelity's oil and natural gas assets. The completion of these sales occurred between October 2015 and April 2016.&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt; Prior to the asset sales, Fidelity was significantly involved in the development and production of oil and natural gas resources. Upon the completion of the asset sales, the Company had no remaining proved oil, NGL or natural gas reserves. At the time the Company committed to a plan to sell Fidelity, the Company stopped the use of the full-cost method of accounting for its oil and natural gas production activities. The assets and liabilities were classified as held for sale and the results of operations included in income (loss) from discontinued operations, other than certain general and administrative costs and interest expense which do not meet the criteria for income (loss) from discontinued operations. For more information, see Note&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;2&lt;/span&gt;.</us-gaap:OilAndGasExplorationAndProductionIndustriesDisclosuresTextBlock>
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      id="TextSelection-BD68D8A44C6A902604E3A0182660CE43-0-wk-Fact-4DFADC81920E41E217B9A018316C61BE">Condensed Financial Information of Registrant (Unconsolidated)&lt;div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"&gt;Condensed Statements of Income and Comprehensive Income&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:88.12260536398468%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:55%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:13%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Years ended December&#160;31,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating revenues&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;623,693&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;561,266&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;556,112&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:justify;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating expenses&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;516,524&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;469,062&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;478,198&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Operating income&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;107,169&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;92,204&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;77,914&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other income&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,331&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,491&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8,318&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Interest expense&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;31,997&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;31,519&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;23,562&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income before income taxes&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;76,503&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;62,176&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;62,670&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Income taxes&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;13,800&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,355&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,882&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Equity in earnings of subsidiaries from continuing operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;222,283&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;177,275&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;129,601&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net income from continuing operations&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;284,986&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;233,096&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;176,389&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Equity in loss of subsidiaries from discontinued operations attributable to the Company&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(3,783&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(168,663&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(798,824&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Loss on redemption of preferred stocks&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;600&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Dividends declared on preferred stocks&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;171&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;685&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;685&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Earnings (loss) on common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;280,432&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;63,748&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(623,120&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Comprehensive income (loss)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;279,602&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;65,848&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(617,480&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;The accompanying notes are an integral part of these condensed financial statements.Condensed Financial Information of Registrant (Unconsolidated)&lt;div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"&gt;Condensed Balance Sheets&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="7"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:74%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;December&#160;31,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands, except shares and per share amounts)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Current assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Cash and cash equivalents&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;843&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,159&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Receivables, net&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;83,453&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;80,467&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Accounts receivable from subsidiaries&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;34,029&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;34,424&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Inventories&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;13,864&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;17,352&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Prepayments and other current assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;34,400&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;24,531&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total current assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;166,589&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;160,933&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Investments&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;76,779&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;70,370&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Investment in subsidiaries&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,704,908&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,603,874&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Property, plant and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,631,161&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,502,264&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Less accumulated depreciation, depletion and amortization&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;797,130&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;756,191&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net property, plant and equipment&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,834,031&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,746,073&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred charges and other assets:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Goodwill&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,812&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,812&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;175,599&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;183,654&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total deferred charges and other assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;180,411&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;188,466&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total assets&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3,962,718&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,769,716&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:10px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:10px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;height:10px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Liabilities and Stockholders' Equity&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Current liabilities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Long-term debt due within one year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;100,011&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;110&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Accounts payable&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;47,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;37,697&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Accounts payable to subsidiaries&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7,234&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5,592&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Taxes payable&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;13,717&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;14,992&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Dividends payable&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;38,573&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;37,767&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Accrued compensation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;20,017&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;16,086&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other accrued liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;36,881&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;34,929&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total current liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;263,433&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;147,173&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Long-term debt&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;612,493&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;679,667&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred credits and other liabilities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deferred income taxes&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;147,847&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;270,126&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;509,902&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;356,506&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total deferred credits and other liabilities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;657,749&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;626,632&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Commitments and contingencies&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&lt;/span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&lt;/span&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Stockholders' equity:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Preferred stocks&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Common stockholders' equity:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:18px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Authorized - 500,000,000 shares, $1.00 par value&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:18px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Issued - 195,843,297 shares in 2017 and 2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;195,843&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;195,843&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other paid-in capital&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,233,412&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,232,478&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Retained earnings&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;1,040,748&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;912,282&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Accumulated other comprehensive loss&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(37,334&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(35,733&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Treasury stock at cost - 538,921 shares&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(3,626&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,626&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:6px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total common stockholders' equity&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,429,043&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,301,244&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total stockholders' equity&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;2,429,043&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,316,244&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Total liabilities and stockholders' equity&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;3,962,718&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,769,716&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;The accompanying notes are an integral part of these condensed financial statements.Condensed Financial Information of Registrant (Unconsolidated)&lt;div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;"&gt;Condensed Statements of Cash Flows&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="10"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:61%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;Years ended December&#160;31,&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net cash provided by operating activities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;284,075&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;238,125&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;255,273&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Investing activities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Capital expenditures&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(146,370&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(159,570&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(349,985&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net proceeds from sale or disposition of property and other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(5,665&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,784&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;3,268&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Investments in and advances to subsidiaries&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(40,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(5,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(7,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Advances from subsidiaries&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;40,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;15,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;100,000&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Investments&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(468&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(129&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;5&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net cash used in investing activities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(152,503&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(145,915&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(253,712&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Financing activities:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Issuance of long-term debt&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;70,080&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;106,420&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;224,185&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Repayment of long-term debt&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(37,569&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(50,010&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(108,008&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Proceeds from issuance of common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;21,898&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Dividends paid&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(150,727&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(147,156&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(142,835&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Redemption of preferred stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(15,600&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Repurchase of common stock&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(564&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Tax withholding on stock-based compensation&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(508&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(226&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;&#x2014;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Net cash used in financing activities&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(134,888&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(90,972&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(4,760&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Increase (decrease) in cash and cash equivalents&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;(3,316&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,238&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;(3,199&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Cash and cash equivalents - beginning of year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;4,159&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,921&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;6,120&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Cash and cash equivalents - end of year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;843&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;4,159&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;2,921&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;/div&gt;The accompanying notes are an integral part of these condensed financial statements.Summary of Significant Accounting Policies&lt;div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;"&gt;Basis of presentation&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;"&gt;&#160;&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"&gt;The condensed financial information reported in Schedule I is being presented to comply with Rule&#160;12-04 of Regulation S-X. The information is unconsolidated and is presented for the parent company only, which is comprised of MDU Resources Group, Inc. (the Company) and Montana-Dakota and Great Plains, public utility divisions of the Company. In Schedule I, investments in subsidiaries are presented under the equity method of accounting where the assets and liabilities of the subsidiaries are not consolidated. The investments in net assets of the subsidiaries are recorded on the Condensed Balance Sheets. The income from subsidiaries is reported as equity in earnings of subsidiaries on the Condensed Statements of Income. The consolidated financial statements of MDU Resources Group, Inc. reflect certain businesses as discontinued operations. 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      id="TextSelection-7C856547FF1737EBC350F94C9CFDE977-0-wk-Fact-47EF435D201BB1A06AE1F94C9CCE3948">Consolidated Valuation and Qualifying Accounts&lt;div style="line-height:140%;padding-top:4px;font-size:10pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;For the years ended December&#160;31, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;2017&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;, &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;2016&lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt; and &lt;/span&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;2015&lt;/span&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.90338164251207%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="18"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:36%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:10%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:11%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:3%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;td style="width:7%;"/&gt;&lt;td style="width:1%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Additions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Description&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Balance at Beginning of Year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Charged to Costs and Expenses&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Other&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Deductions&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;**&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Balance at End of Year&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="17" style="vertical-align:bottom;padding-left:0px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:center;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;(In thousands)&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;Allowance for doubtful accounts:&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;2017&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;10,479&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;7,024&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;989&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;10,423&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="overflow:hidden;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;$&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"&gt;&lt;span&gt;8,069&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2016&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,835&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8,302&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;851&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;8,509&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;10,479&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;2015&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,511&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;11,343&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;1,012&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;12,031&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"&gt;&lt;div style="text-align:left;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"&gt;&lt;div style="text-align:right;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"&gt;&lt;span&gt;9,835&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"&gt;&lt;div style="text-align:left;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:6px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;*&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Recoveries.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"&gt;&lt;tr&gt;&lt;td style="width:18px;"/&gt;&lt;td/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:top"&gt;&lt;div style="line-height:120%;font-size:7.5pt;padding-left:0px;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;**&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;td style="vertical-align:top;"&gt;&lt;div style="line-height:120%;font-size:7.5pt;"&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"&gt;Uncollectible accounts written off.&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;div style="line-height:140%;padding-top:0px;text-align:center;padding-left:0px;text-indent:0px;font-size:10pt;"&gt;&lt;div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"&gt;&lt;table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:99.90338164251207%;border-collapse:collapse;text-align:left;"&gt;&lt;tr&gt;&lt;td colspan="1"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="width:100%;"/&gt;&lt;/tr&gt;&lt;tr&gt;&lt;td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"&gt;&lt;div style="overflow:hidden;height:5px;font-size:10pt;"&gt;&lt;span style="font-family:inherit;font-size:10pt;"&gt;&#160;&lt;/span&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&lt;/div&gt;&lt;span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"&gt;&lt;br/&gt;&lt;/span&gt;&lt;/div&gt;All other schedules are omitted because of the absence of the conditions under which they are required, or because the information required is included in the Company's Consolidated Financial Statements and Notes thereto.</us-gaap:ScheduleOfValuationAndQualifyingAccountsDisclosureTextBlock>
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        <link:footnote id="TextSelection-18EEC135B820FC53D923F94C9CFDDC30-0-wk-Footnote-18EEC135B820FC53D923F94C9CFDDC30_lbl" xlink:label="TextSelection-18EEC135B820FC53D923F94C9CFDDC30-0-wk-Footnote-18EEC135B820FC53D923F94C9CFDDC30_lbl" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Collective and mutual funds invest approximately <xhtml:span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><xhtml:span>31</xhtml:span></xhtml:span><xhtml:span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of international companies, </xhtml:span><xhtml:span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><xhtml:span>28</xhtml:span></xhtml:span><xhtml:span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </xhtml:span><xhtml:span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><xhtml:span>19</xhtml:span></xhtml:span><xhtml:span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </xhtml:span><xhtml:span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><xhtml:span>7</xhtml:span></xhtml:span><xhtml:span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in cash equivalents, </xhtml:span><xhtml:span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><xhtml:span>1</xhtml:span></xhtml:span><xhtml:span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in U.S. Government securities and </xhtml:span><xhtml:span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><xhtml:span>14</xhtml:span></xhtml:span>&#160;percent in other investments.</link:footnote>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6876286032">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Document and Entity Information - USD ($)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Feb. 15, 2018</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityInformationLineItems', window );"><strong>Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity registrant name</a></td>
<td class="text">MDU RESOURCES GROUP INC<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity central index key</a></td>
<td class="text">0000067716<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CurrentFiscalYearEndDate', window );">Current fiscal year end date</a></td>
<td class="text">--12-31<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityWellKnownSeasonedIssuer', window );">Entity well-known seasoned issuer</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityVoluntaryFilers', window );">Entity voluntary filers</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCurrentReportingStatus', window );">Entity current reporting status</a></td>
<td class="text">Yes<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityFilerCategory', window );">Entity filer category</a></td>
<td class="text">Large Accelerated Filer<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityPublicFloat', window );">Entity public float</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5,116,974,651<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCommonStockSharesOutstanding', window );">Entity common stock, shares outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">195,304,376<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentFiscalYearFocus', window );">Document fiscal year focus</a></td>
<td class="text">2017<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentFiscalPeriodFocus', window );">Document fiscal period focus</a></td>
<td class="text">FY<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentType', window );">Document type</a></td>
<td class="text">10-K<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment flag</a></td>
<td class="text">false<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document period end date</a></td>
<td class="text">Dec. 31,  2017<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>If the value is true, then the document is an amendment to previously-filed/accepted document.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>End date of current fiscal year in the format --MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CurrentFiscalYearEndDate</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This is focus fiscal period of the document report. For a first quarter 2006 quarterly report, which may also provide financial information from prior periods, the first fiscal quarter should be given as the fiscal period focus. Values: FY, Q1, Q2, Q3, Q4, H1, H2, M9, T1, T2, T3, M8, CY.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFiscalPeriodFocus</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This is focus fiscal year of the document report in CCYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentFiscalYearFocus</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word "Other".</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12b<br> -Subsection 1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCommonStockSharesOutstanding</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCurrentReportingStatus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate "Yes" or "No" whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCurrentReportingStatus</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFilerCategory">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate whether the registrant is one of the following: (1) Large Accelerated Filer, (2) Accelerated Filer, (3) Non-accelerated Filer, (4) Smaller Reporting Company (Non-accelerated) or (5) Smaller Reporting Accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityInformationLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityInformationLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityPublicFloat">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>State aggregate market value of voting and non-voting common equity held by non-affiliates computed by reference to price at which the common equity was last sold, or average bid and asked price of such common equity, as of the last business day of registrant's most recently completed second fiscal quarter. The public float should be reported on the cover page of the registrants form 10K.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityPublicFloat</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12b<br> -Subsection 1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityVoluntaryFilers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate "Yes" or "No" if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityVoluntaryFilers</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityWellKnownSeasonedIssuer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate "Yes" or "No" if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityWellKnownSeasonedIssuer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:yesNoItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>16
<FILENAME>R2.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6877165744">
<tr>
<th class="tl" colspan="2" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Income - USD ($)<br> shares in Thousands, $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesAbstract', window );"><strong>Operating revenues:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 4,443,351<span></span>
</td>
<td class="nump">$ 4,128,828<span></span>
</td>
<td class="nump">$ 4,014,052<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingCostsAndExpensesAbstract', window );"><strong>Operation and maintenance:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherSellingGeneralAndAdministrativeExpense', window );">Operation and maintenance:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">3,130,802<span></span>
</td>
<td class="nump">2,893,299<span></span>
</td>
<td class="nump">2,805,223<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UtilitiesOperatingExpenseGasAndPetroleumPurchased', window );">Purchased natural gas sold</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">430,954<span></span>
</td>
<td class="nump">382,753<span></span>
</td>
<td class="nump">450,114<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">207,486<span></span>
</td>
<td class="nump">216,318<span></span>
</td>
<td class="nump">211,747<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxesExcludingIncomeAndExciseTaxes', window );">Taxes, other than income</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">166,673<span></span>
</td>
<td class="nump">151,826<span></span>
</td>
<td class="nump">140,955<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostOfPurchasedPower', window );">Electric fuel and purchased power</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">78,724<span></span>
</td>
<td class="nump">75,512<span></span>
</td>
<td class="nump">86,238<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingExpenses', window );">Total operating expenses</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">4,014,639<span></span>
</td>
<td class="nump">3,719,708<span></span>
</td>
<td class="nump">3,694,277<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingIncomeLoss', window );">Operating income</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">428,712<span></span>
</td>
<td class="nump">409,120<span></span>
</td>
<td class="nump">319,775<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other income</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">4,103<span></span>
</td>
<td class="nump">4,956<span></span>
</td>
<td class="nump">18,457<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">82,788<span></span>
</td>
<td class="nump">87,848<span></span>
</td>
<td class="nump">91,179<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">350,027<span></span>
</td>
<td class="nump">326,228<span></span>
</td>
<td class="nump">247,053<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">65,041<span></span>
</td>
<td class="nump">93,132<span></span>
</td>
<td class="nump">70,664<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperations', window );">Income from continuing operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">284,986<span></span>
</td>
<td class="nump">233,096<span></span>
</td>
<td class="nump">176,389<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax', window );">Loss from discontinued operations, net of tax (Note 2)</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="num">(3,783)<span></span>
</td>
<td class="num">(300,354)<span></span>
</td>
<td class="num">(834,080)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income (loss)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">281,203<span></span>
</td>
<td class="num">(67,258)<span></span>
</td>
<td class="num">(657,691)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest', window );">Loss from discontinued operations attributable to noncontrolling interest (Note 2)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">0<span></span>
</td>
<td class="num">(131,691)<span></span>
</td>
<td class="num">(35,256)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockRedemptionPremium', window );">Loss on redemption of preferred stocks (Note 8)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">600<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockDividendsIncomeStatementImpact', window );">Dividends declared on preferred stocks</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">171<span></span>
</td>
<td class="nump">685<span></span>
</td>
<td class="nump">685<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic', window );">Earnings (loss) on common stock</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 280,432<span></span>
</td>
<td class="nump">$ 63,748<span></span>
</td>
<td class="num">$ (623,120)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasicAbstract', window );"><strong>Earnings (loss) per common share - basic:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare', window );">Earnings before discontinued operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 1.46<span></span>
</td>
<td class="nump">$ 1.19<span></span>
</td>
<td class="nump">$ 0.90<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare', window );">Discontinued operations attributable to the Company, net of tax</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(0.02)<span></span>
</td>
<td class="num">(0.86)<span></span>
</td>
<td class="num">(4.10)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasic', window );">Earnings (loss) per common share - basic</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1.44<span></span>
</td>
<td class="nump">0.33<span></span>
</td>
<td class="num">(3.20)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareDilutedAbstract', window );"><strong>Earnings (loss) per common share - diluted:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare', window );">Earnings before discontinued operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1.45<span></span>
</td>
<td class="nump">1.19<span></span>
</td>
<td class="nump">0.90<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare', window );">Discontinued operations attributable to the Company, net of tax</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(0.02)<span></span>
</td>
<td class="num">(0.86)<span></span>
</td>
<td class="num">(4.10)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareDiluted', window );">Earnings (loss) per common share - diluted</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 1.43<span></span>
</td>
<td class="nump">$ 0.33<span></span>
</td>
<td class="num">$ (3.20)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Weighted average common shares outstanding - basic</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,299<span></span>
</td>
<td class="nump">194,928<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Weighted average common shares outstanding - diluted</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">195,687<span></span>
</td>
<td class="nump">195,618<span></span>
</td>
<td class="nump">194,986<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductOrServiceAxis=mdu_RegulatedoperationsMember', window );">Regulated operations [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesAbstract', window );"><strong>Operating revenues:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 1,244,759<span></span>
</td>
<td class="nump">$ 1,141,454<span></span>
</td>
<td class="nump">$ 1,149,038<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingCostsAndExpensesAbstract', window );"><strong>Operation and maintenance:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherSellingGeneralAndAdministrativeExpense', window );">Operation and maintenance:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">323,120<span></span>
</td>
<td class="nump">312,404<span></span>
</td>
<td class="nump">278,171<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProductOrServiceAxis=mdu_NonregulatedoperationsMember', window );">Nonregulated operations [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenuesAbstract', window );"><strong>Operating revenues:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">3,198,592<span></span>
</td>
<td class="nump">2,987,374<span></span>
</td>
<td class="nump">2,865,014<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingCostsAndExpensesAbstract', window );"><strong>Operation and maintenance:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherSellingGeneralAndAdministrativeExpense', window );">Operation and maintenance:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 2,807,682<span></span>
</td>
<td class="nump">$ 2,580,895<span></span>
</td>
<td class="nump">$ 2,527,052<span></span>
</td>
</tr>
<tr><td colspan="4"></td></tr>
<tr><td colspan="4"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.</td>
</tr></table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CostOfPurchasedPower">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cost of electricity purchased as well as fuel used to generate electricity used in operations and sold during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CostOfPurchasedPower</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DepreciationDepletionAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DepreciationDepletionAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 52<br> -URI http://asc.fasb.org/extlink&amp;oid=96948231&amp;loc=d3e4984-109258<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1252-109256<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareBasicAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasicAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1252-109256<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareDiluted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareDilutedAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareDilutedAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from continuing operations attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.13)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4613673-111683<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 940<br> -SubTopic 20<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=68072869&amp;loc=d3e41242-110953<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(15))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1252-109256<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-03(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20187-122688<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsPerBasicShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-03(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20187-122688<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1252-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721675-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1012-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721525-107759<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721523-107759<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e957-107759<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from a discontinued operation attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1012-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721523-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4569616-111683<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4568447-111683<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721525-107759<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721675-107760<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br><br>Reference 9: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e957-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a),(b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the cost of borrowed funds accounted for as interest expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6450988&amp;loc=d3e26243-108391<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=64930785&amp;loc=d3e28555-108399<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1377-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingCostsAndExpensesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingCostsAndExpensesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingExpenses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingExpenses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net result for the period of deducting operating expenses from operating revenues.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherNonoperatingIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (expense) related to nonoperating activities, classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherNonoperatingIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherSellingGeneralAndAdministrativeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of selling, general and administrative expense classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherSellingGeneralAndAdministrativeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockDividendsIncomeStatementImpact">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockDividendsIncomeStatementImpact</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockRedemptionPremium">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The excess of (1) fair value of the consideration transferred to the holders of the preferred stock over (2) the carrying amount of the preferred stock in the registrant's balance sheet, during the accounting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=27010884&amp;loc=d3e42851-122695<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockRedemptionPremium</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4K<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4591552-111686<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4569616-111683<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (c)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=84161450&amp;loc=SL4573702-111684<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4J<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4591551-111686<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=84161450&amp;loc=SL4573702-111684<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Revenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Revenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenuesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenuesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TaxesExcludingIncomeAndExciseTaxes">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>All taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TaxesExcludingIncomeAndExciseTaxes</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UtilitiesOperatingExpenseGasAndPetroleumPurchased">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating expense for purchased gas and petroleum of regulated operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.2(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UtilitiesOperatingExpenseGasAndPetroleumPurchased</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1505-109256<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1448-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProductOrServiceAxis=mdu_RegulatedoperationsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProductOrServiceAxis=mdu_RegulatedoperationsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProductOrServiceAxis=mdu_NonregulatedoperationsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProductOrServiceAxis=mdu_NonregulatedoperationsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<SEQUENCE>17
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<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6876158224">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Comprehensive Income - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income (loss)</a></td>
<td class="nump">$ 281,203<span></span>
</td>
<td class="num">$ (67,258)<span></span>
</td>
<td class="num">$ (657,691)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract', window );"><strong>Net unrealized gain on derivative instruments qualifying as hedges:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax', window );">Reclassification adjustment for loss on derivative instruments included in net income (loss), net of tax of $224, $226 and $233 in 2017, 2016 and 2015, respectively</a></td>
<td class="nump">366<span></span>
</td>
<td class="nump">367<span></span>
</td>
<td class="nump">404<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTaxAbstract', window );"><strong>Postretirement liability adjustment:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax', window );">Postretirement liability losses arising during the period, net of tax of $(1,162), $(836) and $(55) in 2017, 2016 and 2015, respectively</a></td>
<td class="num">(1,812)<span></span>
</td>
<td class="num">(1,470)<span></span>
</td>
<td class="num">(88)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax', window );">Amortization of postretirement liability losses included in net periodic benefit cost (credit), net of tax of $645, $1,425 and $1,128 in 2017, 2016 and 2015, respectively</a></td>
<td class="nump">1,013<span></span>
</td>
<td class="nump">2,506<span></span>
</td>
<td class="nump">1,794<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPostretirementLiabilityAdjustmentToRegulatoryAssetNetofTax', window );">Reclassification of postretirement liability adjustment (from) to regulatory asset, net of tax of $(876), $0 and $1,416 in 2017, 2016 and 2015, respectively</a></td>
<td class="num">(1,143)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">2,255<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax', window );">Postretirement liability adjustment</a></td>
<td class="num">(1,942)<span></span>
</td>
<td class="nump">1,036<span></span>
</td>
<td class="nump">3,961<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxAbstract', window );"><strong>Foreign currency translation adjustment:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax', window );">Foreign currency translation adjustment recognized during the period, net of tax of $(3), $31 and $(105) in 2017, 2016 and 2015, respectively</a></td>
<td class="num">(6)<span></span>
</td>
<td class="nump">51<span></span>
</td>
<td class="num">(173)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax', window );">Reclassification adjustment for loss on foreign currency translation adjustment included in net income (loss), net of tax of $0, $0 and $490 in 2017, 2016 and 2015, respectively</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">802<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax', window );">Foreign currency translation adjustment</a></td>
<td class="num">(6)<span></span>
</td>
<td class="nump">51<span></span>
</td>
<td class="nump">629<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesTaxAbstract', window );"><strong>Net unrealized loss on available-for-sale investments:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax', window );">Net unrealized loss on available-for-sale investments arising during the period, net of tax of $(75), $(98) and $(91) in 2017, 2016 and 2015, respectively</a></td>
<td class="num">(139)<span></span>
</td>
<td class="num">(182)<span></span>
</td>
<td class="num">(170)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax', window );">Reclassification adjustment for loss on available-for-sale investments included in net income (loss), net of tax of $65, $77 and $70 in 2017, 2016 and 2015, respectively</a></td>
<td class="nump">120<span></span>
</td>
<td class="nump">143<span></span>
</td>
<td class="nump">131<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax', window );">Net unrealized loss on available-for-sale investments</a></td>
<td class="num">(19)<span></span>
</td>
<td class="num">(39)<span></span>
</td>
<td class="num">(39)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Other comprehensive income (loss)</a></td>
<td class="num">(1,601)<span></span>
</td>
<td class="nump">1,415<span></span>
</td>
<td class="nump">4,955<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest', window );">Comprehensive income (loss)</a></td>
<td class="nump">279,602<span></span>
</td>
<td class="num">(65,843)<span></span>
</td>
<td class="num">(652,736)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest', window );">Loss from discontinued operations attributable to noncontrolling interest</a></td>
<td class="nump">0<span></span>
</td>
<td class="num">(131,691)<span></span>
</td>
<td class="num">(35,256)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ComprehensiveIncomeNetOfTax', window );">Comprehensive income (loss) attributable to common stockholders</a></td>
<td class="nump">$ 279,602<span></span>
</td>
<td class="nump">$ 65,848<span></span>
</td>
<td class="num">$ (617,480)<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPostretirementLiabilityAdjustmentToRegulatoryAssetNetofTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Other comprehensive (income) loss, reclassification adjustment from AOCI, postretirement liability adjustment to regulatory asset , net of tax.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPostretirementLiabilityAdjustmentToRegulatoryAssetNetofTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ComprehensiveIncomeNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e557-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ComprehensiveIncomeNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income. Excludes changes in equity resulting from investments by owners and distributions to owners.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4569616-111683<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4K<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4591552-111686<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from a discontinued operation attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1012-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721523-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4569616-111683<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4568447-111683<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721525-107759<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721675-107760<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br><br>Reference 9: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e957-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesTaxAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesTaxAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeDerivativesQualifyingAsHedgesNetOfTaxPeriodIncreaseDecreaseAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=64808268&amp;loc=d3e32211-110900<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (a-c)<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669646-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6450520&amp;loc=d3e32583-110901<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e637-108580<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=64808268&amp;loc=d3e32022-110900<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=64808268&amp;loc=d3e32157-110900<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationAdjustmentTaxAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669646-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 20<br> -Subparagraph (b,c)<br> -URI http://asc.fasb.org/extlink&amp;oid=64808268&amp;loc=d3e32211-110900<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669646-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e689-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 20<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=64808268&amp;loc=d3e32211-110900<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e709-108580<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e637-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax and reclassification adjustments of other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21463-112644<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669619-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669625-108580<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=84158357&amp;loc=d3e1436-108581<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after tax, before reclassification adjustment, of (increase) decrease in accumulated other comprehensive income of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e637-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (i-k)<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669646-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e637-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (i-k)<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669646-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=82897076&amp;loc=d3e27357-111563<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e637-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e689-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e689-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph c<br> -URI http://asc.fasb.org/extlink&amp;oid=84234895&amp;loc=d3e41638-113959<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e637-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for net periodic benefit cost (credit) of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e637-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e689-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansNetOfTax</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTaxAbstract</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669646-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e637-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4K<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4591552-111686<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4569616-111683<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (c)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=84161450&amp;loc=SL4573702-111684<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4J<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4591551-111686<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=84161450&amp;loc=SL4573702-111684<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6858949072">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Comprehensive Income - Parenthetical - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax', window );">Reclassification adjustment for (gain) loss on derivative instruments included in net income (loss), tax</a></td>
<td class="nump">$ 224<span></span>
</td>
<td class="nump">$ 226<span></span>
</td>
<td class="nump">$ 233<span></span>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax', window );">Postretirement liability gains (losses) arising during the period, tax</a></td>
<td class="num">(1,162)<span></span>
</td>
<td class="num">(836)<span></span>
</td>
<td class="num">(55)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax', window );">Amortization of postretirement liability (gains) losses included in net periodic benefit cost (credit), tax</a></td>
<td class="nump">645<span></span>
</td>
<td class="nump">1,425<span></span>
</td>
<td class="nump">1,128<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPostretirementLiabilityAdjustmentToRegulatoryAssetTax', window );">Reclassification of postretirement liability adjustment to regulatory asset, tax</a></td>
<td class="num">(876)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">1,416<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax', window );">Foreign currency translation adjustment recognized during the period, tax</a></td>
<td class="num">(3)<span></span>
</td>
<td class="nump">31<span></span>
</td>
<td class="num">(105)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationTax', window );">Reclassification adjustment for (gain) loss on foreign currency translation adjustment included in net income (loss), tax</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">490<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax', window );">Net unrealized gains (losses) on available-for-sale investments arising during the period, tax</a></td>
<td class="num">(75)<span></span>
</td>
<td class="num">(98)<span></span>
</td>
<td class="num">(91)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax', window );">Reclassification adjustments for (gain) loss on available-for-sale investments included in net income (loss), tax</a></td>
<td class="nump">$ 65<span></span>
</td>
<td class="nump">$ 77<span></span>
</td>
<td class="nump">$ 70<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPostretirementLiabilityAdjustmentToRegulatoryAssetTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Other comprehensive (income) loss, reclassification adjustment from AOCI, postretirement liability adjustment to regulatory asset, tax.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_OtherComprehensiveIncomeLossReclassificationAdjustmentfromAOCIPostretirementLiabilityAdjustmentToRegulatoryAssetTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of tax expense (benefit), before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 20<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=64808268&amp;loc=d3e32211-110900<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e640-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669646-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 30<br> -Section 45<br> -Paragraph 21<br> -URI http://asc.fasb.org/extlink&amp;oid=64808268&amp;loc=d3e32262-110900<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e640-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before reclassification adjustment, of tax (expense) benefit for (increase) decrease in accumulated other comprehensive income for defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e640-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (i-k)<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669646-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4569616-111683<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansBeforeReclassificationAdjustmentsTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=82897076&amp;loc=d3e27357-111563<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e640-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e640-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph c<br> -URI http://asc.fasb.org/extlink&amp;oid=84234895&amp;loc=d3e41638-113959<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of tax (expense) benefit for reclassification adjustment from accumulated other comprehensive (income) loss of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e640-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4569616-111683<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of tax expense (benefit) before reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e640-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10A<br> -Subparagraph (e,f)<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669646-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6874572544">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Balance Sheets - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th" colspan="2"><div>Dec. 31, 2015</div></th>
<th class="th"><div>Dec. 31, 2014</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrentAbstract', window );"><strong>Current assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and cash equivalents</a></td>
<td class="nump">$ 34,599<span></span>
</td>
<td class="nump">$ 46,107<span></span>
</td>
<td class="nump">$ 83,903<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 60,479<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReceivablesNetCurrent', window );">Receivables, net</a></td>
<td class="nump">727,030<span></span>
</td>
<td class="nump">630,243<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryNet', window );">Inventories</a></td>
<td class="nump">226,583<span></span>
</td>
<td class="nump">238,273<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetsCurrent', window );">Prepayments and other current assets</a></td>
<td class="nump">81,304<span></span>
</td>
<td class="nump">48,461<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent', window );">Current assets held for sale</a></td>
<td class="nump">479<span></span>
</td>
<td class="nump">14,391<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrent', window );">Total current assets</a></td>
<td class="nump">1,069,995<span></span>
</td>
<td class="nump">977,475<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermInvestments', window );">Investments</a></td>
<td class="nump">137,613<span></span>
</td>
<td class="nump">125,866<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment (Note 1)</a></td>
<td class="nump">6,770,829<span></span>
</td>
<td class="nump">6,510,229<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment', window );">Less accumulated depreciation, depletion and amortization</a></td>
<td class="nump">2,691,641<span></span>
</td>
<td class="nump">2,578,902<span></span>
</td>
<td class="nump">2,489,322<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNet', window );">Net property, plant and equipment</a></td>
<td class="nump">4,079,188<span></span>
</td>
<td class="nump">3,931,327<span></span>
</td>
<td class="nump">3,898,380<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsNoncurrentAbstract', window );"><strong>Deferred charges and other assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Goodwill (Note 3)</a></td>
<td class="nump">631,791<span></span>
</td>
<td class="nump">631,791<span></span>
</td>
<td class="nump">635,204<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IntangibleAssetsNetExcludingGoodwill', window );">Other intangible assets, net (Note 3)</a></td>
<td class="nump">3,837<span></span>
</td>
<td class="nump">5,925<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetsNoncurrent', window );">Other</a></td>
<td class="nump">407,850<span></span>
</td>
<td class="nump">415,419<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent', window );">Noncurrent assets held for sale</a></td>
<td class="nump">4,392<span></span>
</td>
<td class="nump">196,664<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsNoncurrent', window );">Total deferred charges and other assets</a></td>
<td class="nump">1,047,870<span></span>
</td>
<td class="nump">1,249,799<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="nump">6,334,666<span></span>
</td>
<td class="nump">6,284,467<span></span>
</td>
<td class="nump">$ 6,565,154<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrentAbstract', window );"><strong>Current liabilities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtCurrent', window );">Long-term debt due within one year</a></td>
<td class="nump">148,499<span></span>
</td>
<td class="nump">43,598<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableCurrent', window );">Accounts payable</a></td>
<td class="nump">312,327<span></span>
</td>
<td class="nump">279,962<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxesPayableCurrent', window );">Taxes payable</a></td>
<td class="nump">42,537<span></span>
</td>
<td class="nump">48,164<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableCurrent', window );">Dividends payable</a></td>
<td class="nump">38,573<span></span>
</td>
<td class="nump">37,767<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedSalariesCurrent', window );">Accrued compensation</a></td>
<td class="nump">72,919<span></span>
</td>
<td class="nump">65,867<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherLiabilitiesCurrent', window );">Other accrued liabilities</a></td>
<td class="nump">186,010<span></span>
</td>
<td class="nump">184,377<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent', window );">Current liabilities held for sale</a></td>
<td class="nump">11,993<span></span>
</td>
<td class="nump">9,924<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrent', window );">Total current liabilities</a></td>
<td class="nump">812,858<span></span>
</td>
<td class="nump">669,659<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtNoncurrent', window );">Long-term debt (Note 6)</a></td>
<td class="nump">1,566,354<span></span>
</td>
<td class="nump">1,746,561<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesNoncurrentAbstract', window );"><strong>Deferred credits and other liabilities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxLiabilitiesNet', window );">Deferred income taxes</a></td>
<td class="nump">347,271<span></span>
</td>
<td class="nump">668,226<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherLiabilitiesNoncurrent', window );">Other</a></td>
<td class="nump">1,179,140<span></span>
</td>
<td class="nump">883,777<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesNoncurrent', window );">Total deferred credits and other liabilities</a></td>
<td class="nump">1,526,411<span></span>
</td>
<td class="nump">1,552,003<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommitmentsAndContingencies', window );">Commitments and contingencies (Notes 14, 16 and 17)</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityAbstract', window );"><strong>Stockholders' equity:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockValue', window );">Preferred stocks (Note 8)</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">15,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_CommonStockholdersEquityAbstract', window );"><strong>Common stockholders' equity:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockValue', window );">Common stock (Note 9) Authorized - 500,000,000 shares, $1.00 par value Issued - 195,843,297 shares in 2017 and 2016</a></td>
<td class="nump">195,843<span></span>
</td>
<td class="nump">195,843<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdditionalPaidInCapitalCommonStock', window );">Other paid-in capital</a></td>
<td class="nump">1,233,412<span></span>
</td>
<td class="nump">1,232,478<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetainedEarningsAccumulatedDeficit', window );">Retained earnings</a></td>
<td class="nump">1,040,748<span></span>
</td>
<td class="nump">912,282<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax', window );">Accumulated other comprehensive loss</a></td>
<td class="num">(37,334)<span></span>
</td>
<td class="num">(35,733)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockValue', window );">Treasury stock at cost - 538,921 shares</a></td>
<td class="num">(3,626)<span></span>
</td>
<td class="num">(3,626)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Commonequitystockholders', window );">Total common stockholders' equity</a></td>
<td class="nump">2,429,043<span></span>
</td>
<td class="nump">2,301,244<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Total stockholders' equity</a></td>
<td class="nump">2,429,043<span></span>
</td>
<td class="nump">2,316,244<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesAndStockholdersEquity', window );">Total liabilities and stockholders' equity</a></td>
<td class="nump">$ 6,334,666<span></span>
</td>
<td class="nump">$ 6,284,467<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr><td colspan="6"></td></tr>
<tr><td colspan="6"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Balance is presented net of accumulated impairment of <span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>$12.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> at the pipeline and midstream segment, which occurred in prior periods.</span><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.65900383141762%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Items including common stock value, paid in capital, retained earnings, common stock purchased for the treasury and excluding noncontrolling interests (minority interests) and preferred stockholder interests.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td style="white-space:nowrap;">us-gaap_AccountsPayableCurrent</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6911-107765<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6935-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedSalariesCurrent</td>
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<td><strong> Data Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.14)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e637-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e681-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669686-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdditionalPaidInCapitalCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdditionalPaidInCapitalCommonStock</td>
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<td><strong> Data Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Assets</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6801-107765<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrent</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrentAbstract</td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(14))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(15))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(17))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsNoncurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsNoncurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2473-110228<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashAndCashEquivalentsAtCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3044-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsAtCarryingValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommitmentsAndContingencies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03.(a),19)<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82911808&amp;loc=d3e14326-108349<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.25)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommitmentsAndContingencies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxLiabilitiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32537-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84176650&amp;loc=d3e31931-109318<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxLiabilitiesNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2510-110228<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6935-107765<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Goodwill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=35741047&amp;loc=d3e13816-109267<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6388280&amp;loc=d3e13770-109266<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=77989000&amp;loc=SL49117168-202975<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Goodwill</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IntangibleAssetsNetExcludingGoodwill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6388964&amp;loc=d3e16212-109274<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph ((a)(1),(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IntangibleAssetsNetExcludingGoodwill</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 35<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=68049868&amp;loc=d3e3927-108312<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesAndStockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(32))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesAndStockholdersEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.21)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesCurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of obligation due after one year or beyond the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 201.5-02(26))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 201.5-02(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 201.5-02(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesNoncurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesNoncurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2473-110228<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19,20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.12)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermInvestments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.8)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of noncurrent assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6904-107765<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6911-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherLiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.24)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherLiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.13)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(14))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ReceivablesNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 946<br> -SubTopic 210<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.6-06(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6488278&amp;loc=d3e604059-122996<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ReceivablesNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetainedEarningsAccumulatedDeficit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cumulative amount of the reporting entity's undistributed earnings or deficit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(23)(a)(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetainedEarningsAccumulatedDeficit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB Topic 4.E)<br> -URI http://asc.fasb.org/extlink&amp;oid=27010918&amp;loc=d3e74512-122707<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(31))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquityAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityAbstract</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TaxesPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19,20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TaxesPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TreasuryStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6405813&amp;loc=d3e23239-112655<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29,30)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 30<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6405834&amp;loc=d3e23315-112656<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TreasuryStockValue</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6855244352">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Balance Sheets (Parenthetical) - $ / shares<br></strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract', window );"><strong>Stockholders' equity:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesAuthorized', window );">Common stock, shares authorized</a></td>
<td class="nump">500,000,000<span></span>
</td>
<td class="nump">500,000,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockParOrStatedValuePerShare', window );">Common stock, par value</a></td>
<td class="nump">$ 1.00<span></span>
</td>
<td class="nump">$ 1.00<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Common stock, shares issued</a></td>
<td class="nump">195,843,297<span></span>
</td>
<td class="nump">195,843,297<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockShares', window );">Treasury stock, shares</a></td>
<td class="nump">538,921<span></span>
</td>
<td class="nump">538,921<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockParOrStatedValuePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face amount or stated value per share of common stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockParOrStatedValuePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of common shares permitted to be issued by an entity's charter and bylaws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesAuthorized</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesIssued</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29,30)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6405813&amp;loc=d3e23239-112655<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TreasuryStockShares</td>
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<td>xbrli:sharesItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td>instant</td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6878988080">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Statements of Equity - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Total</div></th>
<th class="th"><div>Preferred stock</div></th>
<th class="th"><div>Common stock</div></th>
<th class="th"><div>Other paid-in capital</div></th>
<th class="th"><div>Retained earnings</div></th>
<th class="th"><div>Total accumulated other comprehensive loss</div></th>
<th class="th"><div>Treasury stock</div></th>
<th class="th"><div>Noncontrolling interest</div></th>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesIssued', window );">Balance (in shares) at Dec. 31, 2015</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">150,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Balance (in shares) at Dec. 31, 2014</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">194,754,812<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockShares', window );">Treasury stock (in shares) at Dec. 31, 2014</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(538,921)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at Dec. 31, 2014</a></td>
<td class="nump">$ 3,249,784<span></span>
</td>
<td class="nump">$ 15,000<span></span>
</td>
<td class="nump">$ 194,755<span></span>
</td>
<td class="nump">$ 1,207,188<span></span>
</td>
<td class="nump">$ 1,762,827<span></span>
</td>
<td class="num">$ (42,103)<span></span>
</td>
<td class="num">$ (3,626)<span></span>
</td>
<td class="nump">$ 115,743<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income (loss) attributable to parent</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(622,435)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest', window );">Net loss attributable to noncontrolling interest</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(35,256)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income (loss)</a></td>
<td class="num">(657,691)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Other comprehensive income (loss)</a></td>
<td class="nump">4,955<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,955<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPreferredStockCash', window );">Dividends declared on preferred stocks</a></td>
<td class="num">(685)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(685)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsCommonStockCash', window );">Dividends declared on common stock</a></td>
<td class="num">(143,352)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(143,352)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions', window );">Stock-based compensation</a></td>
<td class="nump">3,689<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,689<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet', window );">Net tax deficit on stock-based compensation</a></td>
<td class="num">(1,606)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(1,606)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues', window );">Issuance of common stock (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,049,853<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueNewIssues', window );">Issuance of common stock</a></td>
<td class="nump">21,898<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,050<span></span>
</td>
<td class="nump">20,848<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance', window );">Contribution from non-controlling interest</a></td>
<td class="nump">52,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">52,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders', window );">Distribution to non-controlling interest</a></td>
<td class="num">(8,444)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(8,444)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation', window );">Tax withholding on stock-based compensation</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockRedemptionPremium', window );">Redemption of preferred stock - premium</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock', window );">Redemption of preferred stock</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesIssued', window );">Balance (in shares) at Dec. 31, 2014</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">150,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Balance (in shares) at Dec. 31, 2015</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">195,804,665<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockShares', window );">Treasury stock (in shares) at Dec. 31, 2015</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(538,921)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at Dec. 31, 2015</a></td>
<td class="nump">2,520,548<span></span>
</td>
<td class="nump">$ 15,000<span></span>
</td>
<td class="nump">$ 195,805<span></span>
</td>
<td class="nump">1,230,119<span></span>
</td>
<td class="nump">996,355<span></span>
</td>
<td class="num">(37,148)<span></span>
</td>
<td class="num">$ (3,626)<span></span>
</td>
<td class="nump">124,043<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesIssued', window );">Balance (in shares) at Dec. 31, 2016</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">150,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income (loss) attributable to parent</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">64,433<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest', window );">Net loss attributable to noncontrolling interest</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(131,691)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income (loss)</a></td>
<td class="num">(67,258)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Other comprehensive income (loss)</a></td>
<td class="nump">1,415<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,415<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPreferredStockCash', window );">Dividends declared on preferred stocks</a></td>
<td class="num">(685)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(685)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsCommonStockCash', window );">Dividends declared on common stock</a></td>
<td class="num">(147,821)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(147,821)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions', window );">Stock-based compensation</a></td>
<td class="nump">4,383<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,383<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet', window );">Net tax deficit on stock-based compensation</a></td>
<td class="num">(1,663)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(1,663)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance', window );">Contribution from non-controlling interest</a></td>
<td class="nump">7,648<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,648<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ShareBasedCompensationSharesSharesIssuedNetOfTaxWithholdings', window );">Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">38,632<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ShareBasedCompensationValueIssuedSharesNetOfTaxWithholdings', window );">Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 38<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross', window );">Issuance of common stock upon vesting of stock-based compensation, gross</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(361)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation', window );">Tax withholding on stock-based compensation</a></td>
<td class="num">(323)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockRedemptionPremium', window );">Redemption of preferred stock - premium</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock', window );">Redemption of preferred stock</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesIssued', window );">Balance (in shares) at Dec. 31, 2015</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">150,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Balance (in shares) at Dec. 31, 2016</a></td>
<td class="nump">195,843,297<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">195,843,297<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockShares', window );">Treasury stock (in shares) at Dec. 31, 2016</a></td>
<td class="num">(538,921)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(538,921)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at Dec. 31, 2016</a></td>
<td class="nump">$ 2,316,244<span></span>
</td>
<td class="nump">$ 15,000<span></span>
</td>
<td class="nump">$ 195,843<span></span>
</td>
<td class="nump">1,232,478<span></span>
</td>
<td class="nump">912,282<span></span>
</td>
<td class="num">(35,733)<span></span>
</td>
<td class="num">$ (3,626)<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesIssued', window );">Balance (in shares) at Dec. 31, 2017</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income (loss) attributable to parent</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">281,203<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income (loss)</a></td>
<td class="nump">281,203<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Other comprehensive income (loss)</a></td>
<td class="num">(1,601)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(1,601)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPreferredStockCash', window );">Dividends declared on preferred stocks</a></td>
<td class="num">(171)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(171)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsCommonStockCash', window );">Dividends declared on common stock</a></td>
<td class="num">(151,966)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(151,966)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions', window );">Stock-based compensation</a></td>
<td class="nump">3,375<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,375<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross', window );">Issuance of common stock upon vesting of stock-based compensation, gross</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(2,441)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation', window );">Tax withholding on stock-based compensation</a></td>
<td class="num">(757)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockSharesAcquired', window );">Repurchase of common stock (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(64,384)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockValueAcquiredCostMethod', window );">Repurchase of common stock</a></td>
<td class="num">(1,684)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (1,684)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockSharesRetired', window );">Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings - treasury stock (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">64,384<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockRetiredCostMethodAmount', window );">Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings - treasury stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,684<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockRedeemedOrCalledDuringPeriodShares', window );">Redemption of preferred stock (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(150,000)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockRedeemedOrCalledDuringPeriodValue', window );">Redemption of preferred stock - amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (15,000)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockRedemptionPremium', window );">Redemption of preferred stock - premium</a></td>
<td class="num">(600)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(600)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock', window );">Redemption of preferred stock</a></td>
<td class="num">$ (15,600)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesIssued', window );">Balance (in shares) at Dec. 31, 2016</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">150,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Balance (in shares) at Dec. 31, 2017</a></td>
<td class="nump">195,843,297<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">195,843,297<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockShares', window );">Treasury stock (in shares) at Dec. 31, 2017</a></td>
<td class="num">(538,921)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(538,921)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance at Dec. 31, 2017</a></td>
<td class="nump">$ 2,429,043<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 195,843<span></span>
</td>
<td class="nump">$ 1,233,412<span></span>
</td>
<td class="nump">$ 1,040,748<span></span>
</td>
<td class="num">$ (37,334)<span></span>
</td>
<td class="num">$ (3,626)<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_ShareBasedCompensationSharesSharesIssuedNetOfTaxWithholdings">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Issuance of common stock upon vesting of stock-based compensation, net of shares used for tax withholdings, shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_ShareBasedCompensationSharesSharesIssuedNetOfTaxWithholdings</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_ShareBasedCompensationValueIssuedSharesNetOfTaxWithholdings">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The value of share based compensation shares issued as compensation, net of the value of shares for the payment of tax withholdings.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_ShareBasedCompensationValueIssuedSharesNetOfTaxWithholdings</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in additional paid in capital (APIC) resulting from a tax benefit (deficiency) associated with an share-based compensation plan other than an employee stock ownership plan (ESOP).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Changes in additional paid in capital related to exercise of share-based payments awards (such as stock options) and the amount of recognized equity-based compensation during the period (such as nonvested shares).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsCommonStockCash">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsCommonStockCash</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsPreferredStockCash">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 405<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6957935&amp;loc=d3e64057-112817<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsPreferredStockCash</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Decrease in noncontrolling interest balance from payment of dividends or other distributions by the non-wholly owned subsidiary or partially owned entity, included in the consolidation of the parent entity, to the noncontrolling interest holders.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(18))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of Net Income (Loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4J<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4591551-111686<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=84161450&amp;loc=SL4573702-111684<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLossAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (c)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=84161450&amp;loc=SL4573702-111684<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 23<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4569655-111683<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax and reclassification adjustments of other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21463-112644<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669619-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669625-108580<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=84158357&amp;loc=d3e1436-108581<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow to reacquire preferred stock during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 25<br> -Paragraph 19A<br> -URI http://asc.fasb.org/extlink&amp;oid=96949009&amp;loc=SL79513924-113897<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockRedemptionPremium">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The excess of (1) fair value of the consideration transferred to the holders of the preferred stock over (2) the carrying amount of the preferred stock in the registrant's balance sheet, during the accounting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=27010884&amp;loc=d3e42851-122695<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockRedemptionPremium</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockSharesIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4K<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4591552-111686<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4569616-111683<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (c)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=84161450&amp;loc=SL4573702-111684<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4J<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4591551-111686<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=84161450&amp;loc=SL4573702-111684<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodSharesNewIssues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of new stock issued during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21463-112644<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesNewIssues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodValueNewIssues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21463-112644<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodValueNewIssues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Gross value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockRedeemedOrCalledDuringPeriodShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of stock bought back by the entity at the exercise price or redemption price.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21463-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockRedeemedOrCalledDuringPeriodShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockRedeemedOrCalledDuringPeriodValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Equity impact of the value of stock bought back by the entity at the exercise price or redemption price.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21463-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockRedeemedOrCalledDuringPeriodValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4I<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4590271-111686<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4568740-111683<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4568447-111683<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TreasuryStockRetiredCostMethodAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of decrease of par value, additional paid in capital (APIC) and retained earnings of common and preferred stock retired from treasury when treasury stock is accounted for under the cost method.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21463-112644<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TreasuryStockRetiredCostMethodAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TreasuryStockShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29,30)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6405813&amp;loc=d3e23239-112655<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TreasuryStockShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TreasuryStockSharesAcquired">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares that have been repurchased during the period and are being held in treasury.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21463-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TreasuryStockSharesAcquired</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TreasuryStockSharesRetired">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of shares of common and preferred stock retired from treasury during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21463-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TreasuryStockSharesRetired</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TreasuryStockValueAcquiredCostMethod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21463-112644<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6405813&amp;loc=d3e23239-112655<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TreasuryStockValueAcquiredCostMethod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementEquityComponentsAxis=us-gaap_PreferredStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_PreferredStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AdditionalPaidInCapitalMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_AdditionalPaidInCapitalMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementEquityComponentsAxis=us-gaap_RetainedEarningsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_RetainedEarningsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedOtherComprehensiveIncomeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedOtherComprehensiveIncomeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementEquityComponentsAxis=us-gaap_TreasuryStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_TreasuryStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_NoncontrollingInterestMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td></td>
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<head>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6876154480">
<tr>
<th class="tl" colspan="2" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Cash Flows - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>Operating activities:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income (loss)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 281,203<span></span>
</td>
<td class="num">$ (67,258)<span></span>
</td>
<td class="num">$ (657,691)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax', window );">Loss from discontinued operations, net of tax</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="num">(3,783)<span></span>
</td>
<td class="num">(300,354)<span></span>
</td>
<td class="num">(834,080)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperations', window );">Income from continuing operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">284,986<span></span>
</td>
<td class="nump">233,096<span></span>
</td>
<td class="nump">176,389<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>Adjustments to reconcile net income (loss) to net cash provided by operating activities:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">207,486<span></span>
</td>
<td class="nump">216,318<span></span>
</td>
<td class="nump">211,747<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxExpenseBenefit', window );">Deferred income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(25,423)<span></span>
</td>
<td class="num">(2,049)<span></span>
</td>
<td class="num">(25,356)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract', window );"><strong>Changes in current assets and liabilities, net of acquisitions:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInReceivables', window );">Receivables</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(108,255)<span></span>
</td>
<td class="num">(25,641)<span></span>
</td>
<td class="nump">4,704<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInInventories', window );">Inventories</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">9,135<span></span>
</td>
<td class="nump">2,433<span></span>
</td>
<td class="nump">2,265<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherCurrentAssets', window );">Other current assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(30,588)<span></span>
</td>
<td class="num">(17,925)<span></span>
</td>
<td class="nump">60,182<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsPayable', window );">Accounts payable</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">26,013<span></span>
</td>
<td class="nump">7,039<span></span>
</td>
<td class="nump">37,224<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities', window );">Other current liabilities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">4,648<span></span>
</td>
<td class="nump">36,146<span></span>
</td>
<td class="nump">6,864<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet', window );">Other noncurrent changes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(18,790)<span></span>
</td>
<td class="num">(26,459)<span></span>
</td>
<td class="num">(10,240)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations', window );">Net cash provided by continuing operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">349,212<span></span>
</td>
<td class="nump">422,958<span></span>
</td>
<td class="nump">463,779<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations', window );">Net cash provided by discontinued operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">98,799<span></span>
</td>
<td class="nump">39,251<span></span>
</td>
<td class="nump">198,053<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivities', window );">Net cash provided by operating activities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">448,011<span></span>
</td>
<td class="nump">462,209<span></span>
</td>
<td class="nump">661,832<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract', window );"><strong>Investing activities:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquireProductiveAssets', window );">Capital expenditures</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(341,382)<span></span>
</td>
<td class="num">(388,183)<span></span>
</td>
<td class="num">(536,832)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment', window );">Net proceeds from sale or disposition of property and other</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">126,588<span></span>
</td>
<td class="nump">44,826<span></span>
</td>
<td class="nump">54,569<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsForProceedsFromInvestments', window );">Investments</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(1,608)<span></span>
</td>
<td class="num">(1,396)<span></span>
</td>
<td class="nump">1,515<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations', window );">Net cash used in continuing operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(216,402)<span></span>
</td>
<td class="num">(344,753)<span></span>
</td>
<td class="num">(480,748)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations', window );">Net cash provided by discontinued operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">2,234<span></span>
</td>
<td class="nump">39,658<span></span>
</td>
<td class="nump">98,295<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivities', window );">Net cash used in investing activities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(214,168)<span></span>
</td>
<td class="num">(305,095)<span></span>
</td>
<td class="num">(382,453)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract', window );"><strong>Financing activities:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfLongTermDebt', window );">Issuance of long-term debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">140,812<span></span>
</td>
<td class="nump">309,064<span></span>
</td>
<td class="nump">345,920<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfLongTermDebt', window );">Repayment of long-term debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(217,394)<span></span>
</td>
<td class="num">(315,647)<span></span>
</td>
<td class="num">(566,498)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Proceeds from issuance of common stock</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">21,898<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsOfDividends', window );">Dividends paid</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(150,727)<span></span>
</td>
<td class="num">(147,156)<span></span>
</td>
<td class="num">(142,835)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock', window );">Redemption of preferred stock</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(15,600)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsForRepurchaseOfCommonStock', window );">Repurchase of common stock</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(1,684)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation', window );">Tax withholding on stock-based compensation</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(757)<span></span>
</td>
<td class="num">(323)<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations', window );">Net cash used in continuing operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(245,350)<span></span>
</td>
<td class="num">(154,062)<span></span>
</td>
<td class="num">(341,515)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations', window );">Net cash provided by (used in) discontinued operations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">0<span></span>
</td>
<td class="num">(40,852)<span></span>
</td>
<td class="nump">85,785<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivities', window );">Net cash used in financing activities</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(245,350)<span></span>
</td>
<td class="num">(194,914)<span></span>
</td>
<td class="num">(255,730)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents', window );">Effect of exchange rate changes on cash and cash equivalents</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(1)<span></span>
</td>
<td class="nump">4<span></span>
</td>
<td class="num">(225)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease', window );">Increase (decrease) in cash and cash equivalents</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(11,508)<span></span>
</td>
<td class="num">(37,796)<span></span>
</td>
<td class="nump">23,424<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and cash equivalents - beginning of year</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">46,107<span></span>
</td>
<td class="nump">83,903<span></span>
</td>
<td class="nump">60,479<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and cash equivalents - end of year</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 34,599<span></span>
</td>
<td class="nump">$ 46,107<span></span>
</td>
<td class="nump">$ 83,903<span></span>
</td>
</tr>
<tr><td colspan="4"></td></tr>
<tr><td colspan="4"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.</td>
</tr></table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashAndCashEquivalentsAtCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3044-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsAtCarryingValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 230<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=98513438&amp;loc=d3e33268-110906<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) of financing activities of discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) of investing activities of discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (c)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) of operating activities of discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (c)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DepreciationDepletionAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DepreciationDepletionAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) from the effect of exchange rate changes on cash and cash equivalent balances held in foreign currencies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 230<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=98513438&amp;loc=d3e33268-110906<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from continuing operations attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.13)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4613673-111683<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721675-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1012-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721525-107759<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721523-107759<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e957-107759<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInAccountsPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInAccountsPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInInventories">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInInventories</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOperatingCapitalAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOtherCurrentAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in current assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOtherCurrentAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOtherCurrentLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in current liabilities classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOtherCurrentLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in noncurrent operating assets after deduction of noncurrent operating liabilities classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInReceivables">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period in the total amount due within one year (or one operating cycle) from all parties, associated with underlying transactions that are classified as operating activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInReceivables</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInFinancingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 26<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3574-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInFinancingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 26<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3574-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInInvestingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 26<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3574-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInInvestingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 26<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3574-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInOperatingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInOperatingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsForProceedsFromInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net cash paid (received) associated with the acquisition or disposal of all investments, including securities and other assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3098-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3095-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsForProceedsFromInvestments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsForRepurchaseOfCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow to reacquire common stock during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsForRepurchaseOfCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow to reacquire preferred stock during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsOfDividends">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsOfDividends</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 25<br> -Paragraph 19A<br> -URI http://asc.fasb.org/extlink&amp;oid=96949009&amp;loc=SL79513924-113897<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsToAcquireProductiveAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 13<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3213-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsToAcquireProductiveAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the additional capital contribution to the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfLongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfLongTermDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3179-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4K<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4591552-111686<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4569616-111683<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (c)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=84161450&amp;loc=SL4573702-111684<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4J<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4591551-111686<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=84161450&amp;loc=SL4573702-111684<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3291-108585<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6853103504">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Summary of significant accounting policies<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SignificantAccountingPoliciesTextBlock', window );">Summary of significant accounting policies</a></td>
<td class="text">Summary of Significant Accounting Policies<div style="line-height:140%;padding-top:0px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Basis of presentation</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The abbreviations and acronyms used throughout are defined following the Notes to Consolidated Financial Statements. The consolidated financial statements of the Company include the accounts of the following businesses: electric, natural gas distribution, pipeline and midstream, construction materials and contracting, construction services and other. The electric and natural gas distribution businesses, as well as a portion of the pipeline and midstream business, are regulated. Construction materials and contracting, construction services and the other businesses, as well as a portion of the pipeline and midstream business, are nonregulated. For further descriptions of the Company's businesses, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">13</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Intercompany balances and transactions have been eliminated in consolidation, except for certain transactions related to the Company's regulated operations in accordance with GAAP. The statements also include the ownership interests in the assets, liabilities and expenses of jointly owned electric generating facilities.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's regulated businesses are subject to various state and federal agency regulations. The accounting policies followed by these businesses are generally subject to the Uniform System of Accounts of the FERC. These accounting policies differ in some respects from those used by the Company's nonregulated businesses.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's regulated businesses account for certain income and expense items under the provisions of regulatory accounting, which requires these businesses to defer as regulatory assets or liabilities certain items that would have otherwise been reflected as expense or income, respectively, based on the expected regulatory treatment in future rates. The expected recovery or flowback of these deferred items generally is based on specific ratemaking decisions or precedent for each item. Regulatory assets and liabilities are being amortized consistently with the regulatory treatment established by the FERC and the applicable state public service commissions. See Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for more information regarding the nature and amounts of these regulatory deferrals.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Depreciation, depletion and amortization expense is reported separately on the Consolidated Statements of Income and therefore is excluded from the other line items within operating expenses.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Management has also evaluated the impact of events occurring after </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, up to the date of issuance of these consolidated financial statements.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December 22, 2017, President Trump signed into law the TCJA which includes lower corporate tax rates, repealing the domestic production deduction, disallowance of immediate expensing for regulated utility property and modifying or repealing many other business deductions and credits. In accordance with the accounting guidance on accounting for income taxes, entities must account for the effects of the change in tax laws or rates in the period of enactment. In the fourth quarter of 2017, the period of enactment, the Company performed a one-time revaluation of the net deferred tax liabilities to account for the reduction in the corporate tax rate from 35&#160;percent to 21&#160;percent effective January&#160;1, 2018. For more information on the impacts of the TCJA on the year ended December&#160;31, 2017, see Notes </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">11</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. The Company is currently reviewing the components of the TCJA and evaluating the impact on the Company's consolidated financial statements and related disclosures for 2018 and thereafter.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">As part of the Company's strategic plan to grow its capital investments while focusing on creating a greater long-term value and reducing the Company's risk by decreasing exposure to commodity prices, the Company completed the sales of substantially all of Fidelity's oil and and natural gas assets between October 2015 and April 2016 and Dakota Prairie Refining on June 27, 2016. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The assets and liabilities for the Company's discontinued operations have been classified as held for sale and the results of operations are shown in loss from discontinued operations, other than certain general and administrative costs and interest expense which do not meet the criteria for income (loss) from discontinued operations. At the time the assets were classified as held for sale, depreciation, depletion and amortization expense was no longer recorded. Unless otherwise indicated, the amounts presented in the accompanying notes to the consolidated financial statements relate to the Company's continuing operations. For more information on the Company's discontinued operations, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Cash and cash equivalents</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company considers all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Accounts receivable and allowance for doubtful accounts</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Accounts receivable consists primarily of trade receivables from the sale of goods and services which are recorded at the invoiced amount net of allowance for doubtful accounts, and costs and estimated earnings in excess of billings on uncompleted contracts. For mo</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">re information, see Percentage-of-completion method in this note. The total balance of receivables past due 90 days or more was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$34.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$29.2&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The allowance for doubtful accounts is determined through a review of past due balances and other specific account data. Account balances are written off when management determines the amounts to be uncollectible. The Company's allowance for doubtful accounts at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$8.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$10.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Inventories and natural gas in storage</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Natural gas in storage for the Company's regulated operations is generally carried at lower of cost or net realizable value, or cost using the last-in, first-out method. All other inventories are stated at the lower of cost or net realizable value. The portion of the cost of natural gas in storage expected to be used within one year was included in inventories. Inventories at December&#160;31 consisted of:</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:66%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Aggregates held for resale</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>115,268</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>115,471</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Asphalt oil</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>30,360</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>29,103</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas in storage (current)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>20,950</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>25,761</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Materials and supplies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>18,650</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>18,372</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Merchandise for resale</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>14,905</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>16,437</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>26,450</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>33,129</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>226,583</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>238,273</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The remainder of natural gas in storage, which largely represents the cost of gas required to maintain pressure levels for normal operating purposes, was included in deferred charges and other assets - other and was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$49.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$49.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Investments</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's investments include the cash surrender value of life insurance policies, an insurance contract, mortgage-backed securities and U.S. Treasury securities. The Company measures its investment in the insurance contract at fair value with any unrealized gains and losses recorded on the Consolidated Statements of Income. The Company has not elected the fair value option for its mortgage-backed securities and U.S. Treasury securities and, as a result, the unrealized gains and losses on these investments are recorded in accumulated other comprehensive income (loss). For more information, see Notes&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">5</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Property, plant and equipment</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Additions to property, plant and equipment are recorded at cost. When regulated assets are retired, or otherwise disposed of in the ordinary course of business, the original cost of the asset is charged to accumulated depreciation. With respect to the retirement or disposal of all other assets, the resulting gains or losses are recognized as a component of income. The Company is permitted to capitalize AFUDC on regulated construction projects and to include such amounts in rate base when the related facilities are placed in service. In addition, the Company capitalizes interest, when applicable, on certain construction projects associated with its other operations. The amount of AFUDC and interest capitalized for the years ended December&#160;31 were as follows:</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:49%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest capitalized</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,381</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">AFUDC - borrowed</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>966</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>914</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,907</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">AFUDC - equity</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>909</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>565</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,971</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Generally, property, plant and equipment are depreciated on a straight-line basis over the average useful lives of the assets, except for depletable aggregate reserves, which are depleted based on the units-of-production method. The Company collects removal costs for plant assets in regulated utility rates. These amounts are recorded as regulatory liabilities, which are included in deferred credits and other liabilities - other. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Property, plant and equipment at December&#160;31 was as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"/></tr><tr><td style="width:61%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Weighted</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Average</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Depreciable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Life in Years</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="8" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Dollars in thousands, where applicable)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulated:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Generation</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,034,765</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,036,373</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>39</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>415,543</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>398,382</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>44</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Transmission</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>296,941</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>284,048</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>57</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction in progress</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>117,906</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>62,212</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>117,109</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>107,598</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,831,795</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,718,633</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>47</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction in progress</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>19,823</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>19,934</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>468,227</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>440,846</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>18</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Transmission</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>516,932</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>490,143</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>53</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Gathering</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>37,837</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>37,831</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>20</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Storage</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>45,629</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>45,350</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>62</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction in progress</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>17,488</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>16,507</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>41,054</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>40,873</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>33</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonregulated:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Gathering and processing</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>31,678</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>31,682</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>19</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction in progress</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>17</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>9,649</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,800</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Land</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>95,745</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>94,625</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Buildings and improvements</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>102,435</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>102,347</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>20</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Machinery, vehicles and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>947,979</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>930,471</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>12</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction in progress</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7,750</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>16,181</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Aggregate reserves</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>406,139</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>405,751</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">*</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Land</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5,216</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,346</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Buildings and improvements</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>27,351</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>26,693</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>25</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Machinery, vehicles and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>137,924</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>132,217</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6,774</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,105</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Land</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,837</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,837</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>28,286</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>46,431</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>19</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,691,641</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,578,902</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net property, plant and equipment</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,079,188</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,931,327</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Depleted on the units-of-production method based on recoverable aggregate reserves.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Impairment of long-lived assets</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company reviews the carrying values of its long-lived assets, excluding goodwill and assets held for sale, whenever events or changes in circumstances indicate that such carrying values may not be recoverable. The determination of whether an impairment has occurred is based on an estimate of undiscounted future cash flows attributable to the assets, compared to the carrying value of the assets. If impairment has occurred, the amount of the impairment recognized is determined by estimating the fair value of the assets and recording a loss if the carrying value is greater than the fair value. In the third quarter of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company recognized an impairment of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$14.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (before tax), largely related to the sale of certain non-strategic natural gas gathering assets that were written down to their estimated fair value that was determined using the market approach. In the second quarter of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company recognized an impairment of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$3.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (before tax) related to coalbed natural gas gathering assets located in Wyoming where there had been continued decline in natural gas development and production activity due to low natural gas prices. The coalbed natural gas gathering assets were </span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">written down to their estimated fair value that was determined using the income approach. The impairments are recorded in operation and maintenance expense on the Consolidated Statements of Income. For more information on these nonrecurring fair value measurements, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">5</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">No significant impairment losses were recorded in 2016 or 2017, other than those related to the Company's assets held for sale and discontinued operations. For more information regarding these impairments, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Unforeseen events and changes in circumstances could require the recognition of impairment losses at some future date.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Goodwill</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Goodwill represents the excess of the purchase price over the fair value of identifiable net tangible and intangible assets acquired in a business combination. Goodwill is required to be tested for impairment annually, which is completed in the fourth quarter, or more frequently if events or changes in circumstances indicate that goodwill may be impaired.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The goodwill impairment test is a two-step process performed at the reporting unit level. The Company has determined that the reporting units for its goodwill impairment test are its operating segments, or components of an operating segment, that constitute a business for which discrete financial information is available and for which segment management regularly reviews the operating results. For more information on the Company's operating segments, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">13</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. The first step of the impairment test involves comparing the fair value of each reporting unit to its carrying value. If the fair value of a reporting unit exceeds its carrying value, the test is complete and no impairment is recorded. If the fair value of a reporting unit is less than its carrying value, step two of the test is performed to determine the amount of impairment loss, if any. The impairment is computed by comparing the implied fair value of the reporting unit's goodwill to the carrying value of that goodwill. If the carrying value is greater than the implied fair value, an impairment loss must be recorded. For the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, there were no significant impairment losses recorded. At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the fair value substantially exceeded the carrying value at all reporting units. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Determining the fair value of a reporting unit requires judgment and the use of significant estimates which include assumptions about the Company's future revenue, profitability and cash flows, amount and timing of estimated capital expenditures, inflation rates, weighted average cost of capital, operational plans, and current and future economic conditions, among others. The fair value of each reporting unit is determined using a weighted combination of income and market approaches. The Company uses a discounted cash flow methodology for its income approach. Under the income approach, the discounted cash flow model determines fair value based on the present value of projected cash flows over a specified period and a residual value related to future cash flows beyond the projection period. Both values are discounted using a rate which reflects the best estimate of the weighted average cost of capital at each reporting unit. The weighted average cost of capital, which varies by reporting unit and is in the range of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>5</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>9</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent, and a long-term growth rate projection of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>3</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent were utilized in the goodwill impairment test performed in the fourth quarter of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Under the market approach, the Company estimates fair value using multiples derived from comparable sales transactions and enterprise value to EBITDA for comparative peer companies for each respective reporting unit. These multiples are applied to operating data for each reporting unit to arrive at an indication of fair value. In addition, the Company adds a reasonable control premium when calculating the fair value utilizing the peer multiples, which is estimated as the premium that would be received in a sale in an orderly transaction between market participants. The Company believes that the estimates and assumptions used in its impairment assessments are reasonable and based on available market information.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Revenue recognition</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Revenue is recognized when the earnings process is complete, as evidenced by an agreement between the customer and the Company, when delivery has occurred or services have been rendered, when the fee is fixed or determinable and when collection is reasonably assured. The Company recognizes utility revenue each month based on the services provided to all utility customers during the month. Accrued unbilled revenue which is included in receivables, net, represents revenues recognized in excess of amounts billed. Accrued unbilled revenue at Montana-Dakota, Cascade and Intermountain was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$112.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$117.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. The Company recognizes construction contract revenue at its construction businesses using the&#160;percentage-of-completion method as discussed later. The Company recognizes all other revenues when services are rendered or goods are delivered. The Company presents revenues net of taxes collected from customers at the time of sale to be remitted to governmental authorities, including sales and use taxes. </span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Percentage-of-completion method </span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company recognizes construction contract revenue from fixed-price and modified fixed-price construction contracts at its construction businesses using the&#160;percentage-of-completion method, measured by the&#160;percentage of costs incurred to date to estimated total costs for each contract. If a loss is anticipated on a contract, the loss is immediately recognized. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Costs and estimated earnings in excess of billings on uncompleted contracts represent revenues recognized in excess of amounts billed and were included in receivables, net. Billings in excess of costs and estimated earnings on uncompleted contracts represent billings in excess of revenues recognized and were included in accounts payable. Costs and estimated earnings in excess of billings and billings in excess of costs and estimated earnings on uncompleted contracts at December&#160;31 were as follows:</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:74%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Costs and estimated earnings in excess of billings on uncompleted contracts</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>109,541</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>64,558</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Billings in excess of costs and estimated earnings on uncompleted contracts</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>84,123</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>64,832</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Amounts representing balances billed but not paid by customers under retainage provisions in contracts at December&#160;31 were as follows: </span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:74%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Short-term retainage*</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>57,134</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>45,109</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term retainage**</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,410</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,506</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total retainage</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>58,544</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>46,615</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:6px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Expected to be paid within one year or less and included in receivables, net.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">**</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in deferred charges and other assets - other.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Asset retirement obligations</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company records the fair value of a liability for an asset retirement obligation in the period in which it is incurred. When the liability is initially recorded, the Company capitalizes a cost by increasing the carrying amount of the related long-lived asset. Over time, the liability is accreted to its present value each period, and the capitalized cost is depreciated over the useful life of the related asset. Upon settlement of the liability, the Company either settles the obligation for the recorded amount or incurs a gain or loss at its nonregulated operations or incurs a regulatory asset or liability at its regulated operations. For more information on asset retirement obligations, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">7</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Legal costs</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company expenses external legal fees as they are incurred.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Natural gas costs recoverable or refundable through rate adjustments</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Under the terms of certain orders of the applicable state public service commissions, the Company is deferring natural gas commodity, transportation and storage costs that are greater or less than amounts presently being recovered through its existing rate schedules. Such orders generally provide that these amounts are recoverable or refundable through rate adjustments which are filed annually. Natural gas costs refundable through rate adjustments were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$28.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$25.6&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, which is included in other accrued liabilities. Natural gas costs recoverable through rate adjustments were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$14.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$2.2&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, which is included in prepayments and other current assets.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Stock-based compensation</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company records the compensation expense for performance share awards using an estimated forfeiture rate. The estimated forfeiture rate is calculated based on an average of actual historical forfeitures. The Company also preforms an analysis of any known factors at the time of the calculation to identify any necessary adjustments to the average historical forfeiture rate. At the time actual forfeitures become more than estimated forfeitures, the Company records compensation expense using actual forfeitures.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Income taxes</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company provides deferred federal and state income taxes on all temporary differences between the book and tax basis of the Company's assets and liabilities by using enacted tax rates in effect for the year in which the differences are expected to reverse. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income in the period that includes the enactment date. Excess deferred income tax balances associated with the Company's rate-regulated activities have been recorded as a regulatory liability and are included in other liabilities. These regulatory liabilities are expected to be reflected as a reduction in future rates charged to customers in accordance with applicable regulatory procedures.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company uses the deferral method of accounting for investment tax credits and amortizes the credits on regulated electric and natural gas distribution plant over various periods that conform to the ratemaking treatment prescribed by the applicable state public service commissions.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company records uncertain tax positions in accordance with accounting guidance on accounting for income taxes on the basis of a two-step process in which (1) the Company determines whether it is more-likely-than-not that the tax position will be sustained on the basis of the technical merits of the position and (2) for those tax positions that meet the more-likely than-not recognition threshold, the Company recognizes the largest amount of the tax benefit that is more than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>50 percent</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> likely to be realized upon ultimate settlement with the related tax authority. Tax positions that do not meet the more-likely-than-not criteria are reflected as a tax liability. The Company recognizes interest and penalties accrued related to unrecognized tax benefits in income taxes. </span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Earnings (loss) per common share</span></div><div style="line-height:140%;padding-top:0px;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Basic earnings (loss) per common share were computed by dividing earnings (loss) on common stock by the weighted average number of shares of common stock outstanding during the year. Diluted earnings (loss) per common share were computed by dividing earnings (loss) on common stock by the total of the weighted average number of shares of common stock outstanding during the year, plus the effect of nonvested performance share awards. Common stock outstanding includes issued shares less shares held in treasury. Earnings (loss) on common stock was the same for both the basic and diluted earnings (loss) per share calculations. A reconciliation of the weighted average common shares outstanding used in the basic and diluted earnings (loss) per share calculation was as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:61%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average common shares outstanding - basic</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,299</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>194,928</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Effect of dilutive performance share awards</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>383</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>319</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>58</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average common shares outstanding - diluted</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,687</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,618</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>194,986</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Shares excluded from the calculation of diluted earnings per share</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Use of estimates</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The preparation of financial statements in conformity with GAAP requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Estimates are used for items such as long-lived assets and goodwill; fair values of acquired assets and liabilities under the acquisition method of accounting; aggregate reserves; property depreciable lives; tax provisions; uncollectible accounts; environmental and other loss contingencies; accumulated provision for revenues subject to refund; costs on construction contracts; unbilled revenues; actuarially determined benefit costs; asset retirement obligations; and the valuation of stock-based compensation. As additional information becomes available, or actual amounts are determinable, the recorded estimates are revised. Consequently, operating results can be affected by revisions to prior accounting estimates.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">New accounting standards</span></div><div style="line-height:140%;padding-top:0px;font-size:9.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:9.5pt;color:#000000;font-weight:bold;">Recently adopted accounting standards</span></div><div style="line-height:140%;padding-top:0px;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Simplifying the Measurement of Inventory</span><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In July 2015, the FASB issued guidance regarding inventory that is measured using the first-in, first-out or average cost method. The guidance does not apply to inventory measured using the last-in, first-out or the retail inventory method. The guidance requires inventory within its scope to be measured at the lower of cost or net realizable value, which is the estimated selling price in the normal course of business less reasonably predictable costs of completion, disposal and transportation. These amendments more closely align GAAP with IFRS. The Company adopted the guidance on January&#160;1, 2017, on a prospective basis. The guidance did not have a material effect on the Company's results of operations, financial position, cash flows or disclosures.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Improvements to Employee Share-Based Payment Accounting</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> In March 2016, the FASB issued guidance regarding simplification of several aspects of the accounting for share-based payment transactions. The guidance affects the income tax consequences, classification of awards as either equity or liabilities, classification on the statement of cash flows and calculation of dilutive shares. The Company adopted the guidance on January 1, 2017. All amendments in the guidance that apply to the Company were adopted on a prospective basis resulting in no adjustments being made to retained earnings. The adoption of the guidance impacted the Consolidated Statement of Income and the Consolidated Balance Sheet in the first quarter of 2017 due to the taxes related to the stock-based compensation award that vested in February 2017 being recognized as income tax expense as compared to a reduction to additional paid-in capital under the previous guidance. Adoption of the guidance also increased the number of shares included in the diluted earnings per share calculation due to the exclusion of tax benefits in the incremental shares calculation. The change in the weighted average common shares outstanding - diluted did not result in a material effect on the earnings per common share - diluted.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:9.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:9.5pt;color:#000000;font-weight:bold;">Recently issued accounting standards not yet adopted</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Revenue from Contracts with Customers</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> In May 2014, the FASB issued guidance on accounting for revenue from contracts with customers. The guidance provides for a single comprehensive model for entities to use in accounting for revenue arising from contracts with customers and supersedes most current revenue recognition guidance, including industry specific guidance. In August 2015, the FASB issued guidance deferring the effective date of the revenue guidance and allowing entities to early adopt. With this decision, the guidance was effective for the Company on January&#160;1, 2018. Entities had the option of using either a full retrospective or modified retrospective approach to adopting the guidance. Under the modified retrospective approach, an entity recognizes the cumulative effect of initially applying the guidance with an adjustment to the opening balance of retained earnings in the period of adoption. </span></div><div style="line-height:140%;padding-bottom:10px;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company adopted the guidance on January&#160;1, 2018, using the modified retrospective approach. The Company has substantially completed the evaluation of contracts and methods of revenue recognition under the previous accounting guidance and has not identified any material cumulative effect adjustments to be made to retained earnings. In addition, the Company will have expanded revenue disclosures, both quantitatively and qualitatively, related to the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers in the first quarter of 2018. The Company has reviewed substantially all of its revenue streams to evaluate the impact of this guidance and does not anticipate a significant change in the timing of revenue recognition, results of operations, financial position or cash flows. The Company reviewed its internal controls related to revenue recognition and disclosures and concluded that the guidance impacts certain business processes and controls. As such, the Company has developed modifications to its internal controls for certain topics under the guidance as they apply to the Company and such modifications were not deemed to be significant.</span></div><div style="line-height:140%;padding-top:14px;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Recognition and Measurement of Financial Assets and Financial Liabilities</span><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In January&#160;2016, the FASB issued guidance regarding the classification and measurement of financial instruments. The guidance revises the way an entity classifies and measures investments in equity securities, the presentation of certain fair value changes for financial liabilities measured at fair value and amends certain disclosure requirements related to the fair value of financial instruments. This guidance was effective for the Company on January&#160;1, 2018. The guidance was to be applied using a modified retrospective approach with the exception of equity securities without readily determinable fair values which should be applied prospectively. The Company continues to evaluate the effects the adoption of the new guidance will have on its results of operations, financial position, cash flows and disclosures and does not anticipate a material impact.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Classification of Certain Cash Receipts and Cash Payments </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In August 2016, the FASB issued guidance to clarify the classification of certain cash receipts and payments in the statement of cash flows. The guidance is intended to standardize the presentation and classification of certain transactions, including cash payments for debt prepayment or extinguishment, proceeds from insurance claim settlements and distributions from equity method investments. In addition, the guidance clarifies how to classify transactions that have characteristics of more than one class of cash flows. The Company adopted the guidance on January&#160;1, 2018, on a prospective basis. The Company does not anticipate the guidance to have a material effect on its future results of operations, financial position, cash flows and disclosures.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Clarifying the Definition of a Business </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In January 2017, the FASB issued guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions or disposals of assets or businesses. The guidance provides a screen to determine when an integrated set of assets and activities is not a business. The guidance also affects other aspects of accounting, such as determining reporting units for goodwill testing and whether an entity has acquired or sold a business. The Company adopted the guidance on January&#160;1, 2018, on a prospective basis. The Company does not anticipate the guidance to have a material effect on its future results of operations, financial position, cash flows and disclosures.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In March 2017, the FASB issued guidance to improve the presentation of net periodic pension cost and net periodic postretirement benefit cost. The guidance requires the service cost component to be presented in the income statement in the same line item or items as other compensation costs arising from services performed during the period. Other components of net benefit costs shall be presented in the income statement separately from the service cost component and outside a subtotal of income from operations. The guidance also allows only the service cost component to be eligible for capitalization. The guidance was effective for the Company on January&#160;1, 2018, including interim periods, on a retrospective basis for all periods presented with the exception of the capitalization of the service cost component which was adopted on a prospective basis.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company will reclassify all components of net periodic benefit costs, except for the service cost component, from operating expenses to other income (expense) on the Consolidated Statements of Income for all years presented prior to January&#160;1, 2018, beginning in the first quarter of 2018, with no impact to earnings. The guidance will not have a material impact on the Company's disclosures or cash flows.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Under FERC regulation, all components of net periodic benefit costs are currently eligible for capitalization. The Company's electric and natural gas distribution businesses have elected to continue to defer all components of net periodic benefit costs as regulatory assets or liabilities. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Leases </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In February 2016, the FASB issued guidance regarding leases. The guidance requires lessees to recognize a lease liability and a right-of-use asset on the balance sheet for operating and financing leases with terms of more than 12&#160;months. The guidance remains largely the same for lessors, although some changes were made to better align lessor accounting with the new lessee accounting and to align with the revenue recognition standard. The guidance also requires additional disclosures, both quantitative and qualitative, related to operating and finance leases for the lessee and sales-type, direct financing and operating leases for the lessor. This guidance will be effective for the Company on January&#160;1, 2019, and should be applied using a retrospective approach with early adoption permitted. The Company continues to evaluate the potential impact the adoption of the new guidance will have on its results of operations, financial position, cash flows and disclosures. The Company is planning to adopt the standard on January&#160;1, 2019, utilizing the practical expedient that allows the Company to not reassess whether an expired or existing contract contains a lease, the classification of leases or initial direct costs. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In January 2018, the FASB issued a practical expedient for land easements under the new lease guidance. The practical expedient permits an entity to elect the option to not evaluate land easements under the new guidance if they existed or expired before the adoption of the new lease guidance and were not previously accounted for as leases under the previous lease guidance. Once an entity adopts the new guidance, the entity should apply the new guidance on a prospective basis to all new or modified land easements. The Company is currently evaluating the impact of the practical expedient. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On January&#160;5, 2018, the FASB issued a proposed accounting standard update to the guidance that would allow an entity the option to adopt the guidance on a modified retrospective basis. Under the modified retrospective approach, an entity would recognize a cumulative effect adjustment of initially applying the guidance to the opening balance of retained earnings in the period of adoption. The Company is monitoring the status of the proposal.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Simplifying the Test for Goodwill Impairment </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In January 2017, the FASB issued guidance on simplifying the test for goodwill impairment by eliminating Step&#160;2, which required an entity to measure the amount of impairment loss by comparing the implied fair value of reporting unit goodwill with the carrying amount of such goodwill. This guidance requires entities to perform a quantitative impairment test, previously Step&#160;1, to identify both the existence of impairment and the amount of impairment loss by comparing the fair value of a reporting unit to its carrying amount. Entities will continue to have the option of performing a qualitative assessment to determine if the quantitative impairment test is necessary. The guidance also requires additional disclosures if an entity has one or more reporting units with zero or negative carrying amounts of net assets. The guidance will be effective for the Company on January&#160;1, 2020, and should be applied on a prospective basis with early adoption permitted. The Company is evaluating the effects the adoption of the new guidance will have on its results of operations, financial position, cash flows and disclosures.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In February 2018, the FASB issued guidance that allows an entity to reclassify the stranded tax effects resulting from the newly enacted federal corporate income tax rate from accumulated other comprehensive income (loss) to retained earnings. The guidance is effective for the Company on January 1, 2019, including interim periods, with early adoption permitted. The guidance can be applied using one of two methods. One method is to record the reclassification of the stranded income taxes at the beginning of the period of adoption. The other method is to apply the guidance retrospectively to each period in which the income tax effects of the TCJA are recognized in accumulated other comprehensive income (loss). The Company is evaluating adoption of the guidance in the first quarter of 2018. At December 31, 2017, the Company had </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$7.7 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of stranded tax effects in the accumulated other comprehensive loss balance.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Variable interest entities</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company evaluates its arrangements and contracts with other entities to determine if they are VIEs and if so, if the Company is the primary beneficiary. GAAP provides a framework for identifying VIEs and determining when a company should include the assets, liabilities, noncontrolling interest and results of activities of a VIE in its consolidated financial statements.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">A VIE should be consolidated if a party with an ownership, contractual or other financial interest in the VIE (a variable interest holder) has the power to direct the VIE's most significant activities and the obligation to absorb losses or right to receive benefits of the VIE that could be significant to the VIE. A variable interest holder that consolidates the VIE is called the primary beneficiary. Upon consolidation, the primary beneficiary generally must initially record all of the VIE's assets, liabilities and noncontrolling interests at fair value and subsequently account for the VIE as if it were consolidated.</span></div><div style="line-height:140%;padding-bottom:14px;padding-top:14px;text-align:justify;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's evaluation of whether it qualifies as the primary beneficiary of a VIE involves significant judgments, estimates and assumptions and includes a qualitative analysis of the activities that most significantly impact the VIE's economic performance and whether the Company has the power to direct those activities, the design of the entity, the rights of the parties and the purpose of the arrangement.</span></div><div style="line-height:120%;padding-top:0px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Comprehensive income (loss)</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Comprehensive income (loss) is the sum of net income (loss) as reported and other comprehensive income (loss). The Company's other comprehensive income (loss) resulted from gains (losses) on derivative instruments qualifying as hedges, postretirement liability adjustments, foreign currency translation adjustments and gains (losses) on available-for-sale investments. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The after-tax changes in the components of accumulated other comprehensive loss as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="16"/></tr><tr><td style="width:35%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Net</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gain (Loss) on</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Derivative</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Instruments</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Qualifying</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">as Hedges</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Post-</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">retirement</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Liability</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Adjustment</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Foreign</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Currency</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Translation</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Adjustment</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Net</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gain (Loss) on</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Available-</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">for-sale</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Investments</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Total</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Accumulated</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Other</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Comprehensive</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Loss</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at December&#160;31, 2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,667</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(34,257</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(200</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(24</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(37,148</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other comprehensive income (loss) before reclassifications</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,470</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>51</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(182</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,601</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amounts reclassified from accumulated other comprehensive loss</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>367</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,506</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>143</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,016</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net current-period other comprehensive income (loss)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>367</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,036</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>51</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(39</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,415</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at December&#160;31, 2016</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,300</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(33,221</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(149</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(63</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(35,733</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other comprehensive loss before reclassifications</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,812</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(139</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,957</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amounts reclassified from accumulated other comprehensive loss</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>366</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,013</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>120</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,499</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amounts reclassified to accumulated other comprehensive loss from a regulatory asset</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,143</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,143</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net current-period other comprehensive income (loss)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>366</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,942</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(19</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,601</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Balance at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(1,934</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(35,163</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(155</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(82</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(37,334</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Reclassifications out of accumulated other comprehensive loss for the years ended December&#160;31 were as follows:</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:606px;border-collapse:collapse;text-align:left;"><tr><td colspan="8"/></tr><tr><td style="width:289px;"/><td style="width:8px;"/><td style="width:58px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:56px;"/><td style="width:3px;"/><td style="width:178px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Location on Consolidated</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Statements of Income</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Reclassification adjustment for loss on derivative</span></div><div style="text-align:left;padding-left:12px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">instruments included in net income (loss):</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest rate derivative instruments</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(590</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(593</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest expense</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>224</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>226</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(366</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(367</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amortization of postretirement liability losses included</span></div><div style="padding-left:12px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">in net periodic benefit cost (credit)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(1,658</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,931</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(a)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>645</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,425</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(1,013</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,506</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Reclassification adjustment for loss on available-for-sale</span></div><div style="padding-left:12px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">investments included in net income (loss)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(185</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(220</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other income</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>65</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>77</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(120</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(143</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total reclassifications</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(1,499</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,016</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in net periodic benefit cost (credit). For more information, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">.</span></div></td></tr></table><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:607px;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:606px;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for all significant accounting policies of the reporting entity.</p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6858808704">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Discontinued operations<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock', window );">Assets held for sale and discontinued operations</a></td>
<td class="text">Assets Held for Sale and Discontinued Operations<div style="line-height:140%;padding-top:0px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Assets held for sale</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The assets of Pronghorn were classified as held for sale in the fourth quarter of 2016. Pronghorn's results of operations for 2016 were included in the pipeline and midstream segment.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Pronghorn </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On November&#160;21, 2016, WBI Energy Midstream announced it had entered into a purchase and sale agreement to sell its </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:normal;"><span>50</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent non-operating ownership interest in Pronghorn to Andeavor Field Services LLC. The transaction closed on January&#160;1, 2017, which generated approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$100&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of proceeds for the Company. The sale of Pronghorn further reduced the Company's risk exposure to commodity prices.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The carrying amounts of the major classes of assets classified as held for sale associated with Pronghorn on the Company's Consolidated Balance Sheets at December&#160;31 were as follows:</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:65.13409961685824%;border-collapse:collapse;text-align:left;"><tr><td colspan="4"/></tr><tr><td style="width:81%;"/><td style="width:1%;"/><td style="width:17%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current assets:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Prepayments and other current assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>68</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>68</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Noncurrent assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net property, plant and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>93,424</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Goodwill</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>9,737</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less allowance for impairment of assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,311</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total noncurrent assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>100,850</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets held for sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>100,918</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company performed a fair value assessment of the assets and liabilities classified as held for sale. In the fourth quarter of 2016, the fair value assessment was determined using the market approach based on the purchase and sale agreement with Andeavor Field Services LLC. The fair value assessment indicated an impairment based on the carrying value exceeding the fair value, which resulted in the Company recording an impairment of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$2.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax) in the quarter ended December&#160;31, 2016. The fair value of Pronghorn's assets have been categorized as Level&#160;3 in the fair value hierarchy. The impairment was recorded in operation and maintenance expense on the Consolidated Statement of Income.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Discontinued operations</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The assets and liabilities of the Company's discontinued operations have been classified as held for sale and the results of operations are shown in loss from discontinued operations, other than certain general and administrative costs and interest expense which do not meet the criteria for income (loss) from discontinued operations. At the time the assets were classified as held for sale, depreciation, depletion and amortization expense was no longer recorded.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Dakota Prairie Refining </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On June&#160;24, 2016, WBI Energy entered into a membership interest purchase agreement with Tesoro to sell all of the outstanding membership interests in Dakota Prairie Refining to Tesoro. WBI Energy and Calumet each previously owned </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:normal;"><span>50</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent of the Dakota Prairie Refining membership interests and were equal members in building and operating Dakota Prairie Refinery. To effectuate the sale, WBI Energy acquired Calumet's </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:normal;"><span>50</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent membership interest in Dakota Prairie Refining on June&#160;27, 2016. The sale of the membership interests to Tesoro closed on June&#160;27, 2016. The sale of Dakota Prairie Refining reduced the Company's risk by decreasing exposure to commodity prices.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Centennial continues to guarantee certain debt obligations of Dakota Prairie Refining; however, Tesoro has agreed to indemnify Centennial for any losses and litigation expenses arising for the guarantee. For more information related to the guarantee, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-weight:normal;">17</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The carrying amounts of the major classes of assets and liabilities classified as held for sale, related to the operations of and activity associated with Dakota Prairie Refining, on the Company's Consolidated Balance Sheets at December&#160;31 were as follows:</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:80.65134099616859%;border-collapse:collapse;text-align:left;"><tr><td colspan="8"/></tr><tr><td style="width:65%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:4%;"/><td style="width:1%;"/><td style="width:14%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="7" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current assets:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes receivable</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,778</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,987</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,778</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,987</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets held for sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,778</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(a)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,987</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Liabilities</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current liabilities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accounts payable</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,425</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current liabilities held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,425</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Noncurrent liabilities:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred income taxes (b)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>37</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>14</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total noncurrent liabilities held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>37</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>14</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total liabilities held for sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>37</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,439</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">On the Company's Consolidated Balance Sheets, these amounts were reclassified to current income taxes payable and are reflected in current liabilities held for sale.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(b)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">On the Company's Consolidated Balance Sheets, these amounts were reclassified to noncurrent deferred income tax assets</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;padding-left:18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">and are reflected in noncurrent assets held for sale.</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:80.65134099616859%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company retained certain liabilities of Dakota Prairie Refining which were reflected in current liabilities held for sale on the Consolidated Balance Sheet at December&#160;31, 2016. In the first quarter of 2017, the Company recorded a reversal of a previously accrued liability of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$7.0 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$4.3 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax) due to the resolution of a legal matter. As of December 31, 2017, Dakota Prairie Refining had not incurred any material exit and disposal costs, and does not expect to incur any material exit and disposal costs.</span></div><div style="line-height:140%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company performed a fair value assessment of the assets and liabilities classified as held for sale. In the second quarter of 2016, the fair value assessment was determined using the market approach based on the sale transaction to Tesoro. The fair value assessment indicated an impairment based on the carrying value exceeding the fair value, which resulted in the Company recording an impairment of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$251.9&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$156.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax) in the quarter ended June&#160;30, 2016. The impairment was included in operating expenses from discontinued operations. The fair value of Dakota Prairie Refining's assets have been categorized as Level&#160;3 in the fair value hierarchy. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Fidelity </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In the second quarter of 2015, the Company began the marketing and sale process of Fidelity with an anticipated sale to occur within one year. Between September 2015 and March 2016, the Company entered into purchase and sale agreements to sell substantially all of Fidelity's oil and natural gas assets. The completion of these sales occurred between October 2015 and April 2016. The sale of Fidelity was part of the Company's strategic plan to grow its capital investments in the remaining business segments and to focus on creating a greater long-term value.</span></div><div style="line-height:140%;padding-top:14px;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The carrying amounts of the major classes of assets and liabilities classified as held for sale, related to the operations of Fidelity, on the Company's Consolidated Balance Sheets at December&#160;31 were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:83.5249042145594%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"/></tr><tr><td style="width:64%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:3%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:3%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="7" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current assets:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Receivables, net</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>479</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>355</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>479</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>355</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Noncurrent assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net property, plant and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,631</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,507</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred income taxes</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,637</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>91,098</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>161</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>161</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less allowance for impairment of assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>938</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total noncurrent assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,429</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>95,828</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets held for sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,908</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>96,183</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Liabilities</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current liabilities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accounts payable</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>30</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>141</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes payable</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>10,857</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>19</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(a)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other accrued liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,884</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,358</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current liabilities held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>13,771</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,518</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total liabilities held for sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>13,771</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,518</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">On the Company's Consolidated Balance Sheets, this amount was reclassified to prepayments and other current assets and </span></div></td></tr></table><div style="line-height:120%;padding-top:0px;padding-left:18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">is reflected in current assets held for sale.</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:83.5249042145594%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">At December&#160;31, 2017 and 2016, the Company&#8217;s deferred tax assets included in assets held for sale were largely comprised of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$2.6&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$89.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, of federal and state net operating loss carryforwards. The Company realized substantially all of the outstanding net operating loss carryforwards in 2017.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company had federal income tax net operating loss carryforwards of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$4.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$297.2&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at December&#160;31, 2017 and 2016, respectively. At December&#160;31, 2017 and 2016, the Company had various state income tax net operating loss carryforwards of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$13.8&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$189.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. The federal net operating loss carryforwards expire in 2036 and 2037 if not utilized. The state net operating loss carryforwards are due to expire between 2023 and 2037. It is likely a portion of the benefit from the state carryforwards will not be realized; therefore, valuation allowances of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$349,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$500,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> have been provided in 2017 and 2016, respectively.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company performed a fair value assessment of the assets and liabilities classified as held for sale. In the first quarter of 2016, the fair value assessment was determined using the market approach largely based on a purchase and sale agreement. The estimated fair value exceeded the carrying value and the Company recorded an impairment reversal of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.4 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$900,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax) in the first quarter of 2016. In the second quarter of 2016, the fair value assessment was determined using the income and market approaches. The income approach was determined by using the present value of future estimated cash flows. The market approach was based on market transactions of similar properties. The estimated carrying value exceeded the fair value and the Company recorded an impairment of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$900,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$600,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax) in the second quarter of 2016. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In the second quarter of 2015, the estimated fair value was determined using the income and the market approaches. The income approach was determined by using the present value of future estimated cash flows. The income approach considered management's views on current operating measures as well as assumptions pertaining to market forces in the oil and gas industry including estimated reserves, estimated prices, market differentials, estimates of well operating and future development costs and timing of operations. The estimated cash flows were discounted using a rate believed to be consistent with those used by principal market participants. The market approach was provided by a third party and based on market transactions involving similar interests in oil and natural gas properties. The fair value assessment indicated an impairment based on the carrying value exceeding the estimated fair value, which is resulted in the Company writing down Fidelity's assets at June 30, 2015, and recording an impairment of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$400.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$252.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax) during the second quarter of 2015. In the third quarter of 2015, the estimated fair value of Fidelity was determined by agreed upon pricing in the purchase and sale agreements for the assets subject to the agreements, the majority of which closed during the fourth quarter of 2015, including customary purchase price adjustments. The values received in the bid proposals were lower than originally anticipated due to lower commodity prices </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">than those projected in the second quarter of 2015. For those assets for which a purchase and sale agreement had not been entered into at that time, the fair value was based on the market approach utilizing multiples based on similar interests in oil and natural gas properties. The fair value assessment indicated an impairment based on the carrying value exceeding the estimated fair value, which resulted in the Company writing down Fidelity's assets at September&#160;30, 2015, and recording an impairment of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$356.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$224.4 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax). In the fourth quarter of 2015, the fair value assessment was determined using the market approach based on purchase and sale agreements. The estimated fair value exceeded the carrying value and the Company recorded an impairment reversal of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.6&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax) in the fourth quarter of 2015. The impairments were included in operating expenses from discontinued operations. The estimated fair value of Fidelity's assets have been categorized as Level&#160;3 in the fair value hierarchy.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company incurred transaction costs of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$300,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in the first quarter of 2016 and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$2.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in 2015. In addition to the transaction costs, and due in part to the change in plans to sell the assets of Fidelity rather than sell Fidelity as a company, Fidelity incurred and expensed approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$5.6&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of exit and disposal costs in 2016, and has incurred </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$10.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of exit and disposal costs to date. The Company does not expect to incur any additional material exit and disposal costs. The exit and disposal costs are associated with severance and other related matters and exclude the office lease expiration discussed in the following paragraph. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Fidelity vacated its office space in Denver, Colorado in 2016. The Company incurred lease payments of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$900,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in 2016. Lease termination payments of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$3.2&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$3.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> were made during the second quarter of 2016 and fourth quarter of 2015, respectively. Existing office furniture and fixtures were relinquished to the lessor in the second quarter of 2016.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Historically, the company used the full-cost method of accounting for its oil and natural gas production activities. Under this method, all costs incurred in the acquisition, exploration and development of oil and natural gas properties are capitalized and amortized on the units-of-production method based on total proved reserves.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Prior to the oil and natural gas properties being classified as held for sale, capitalized costs were subject to a "ceiling test" that limits such costs to the aggregate of the present value of future net cash flows from proved reserves discounted at 10 percent, as mandated under the rules of the SEC, plus the cost of unproved properties not subject to amortization, plus the effects of cash flow hedges, less applicable income taxes. Proved reserves and associated future cash flows are determined based on SEC Defined Prices and exclude cash outflows associated with asset retirement obligations that have been accrued on the balance sheet. If capitalized costs, less accumulated amortization and related deferred income taxes, exceed the full-cost ceiling at the end of any quarter, a permanent noncash write-down is required to be charged to earnings in that quarter regardless of subsequent price changes.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's capitalized cost under the full-cost method of accounting exceeded the full-cost ceiling at March 31, 2015. SEC Defined Prices, adjusted for market differentials, were used to calculate the ceiling test. Accordingly, the Company was required to write down its oil and natural gas producing properties. The Company recorded a </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$500.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$315.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> after tax) noncash write-down in operating expenses from discontinued operations in the first quarter of 2015.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Fidelity previously held commodity derivatives that were not designated as hedging instruments. The amount of loss recognized in discontinued operations, before tax, was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$18.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in the year ended December 31, 2015.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Dakota Prairie Refining and Fidelity </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The reconciliation of the major classes of income and expense constituting pretax income (loss) from discontinued operations, which includes Dakota Prairie Refining and Fidelity, to the after-tax loss from discontinued operations on the Company's Consolidated Statements of Income for the years ended December&#160;31 were as follows:</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:91.18773946360153%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:58%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>465</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>123,024</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>363,115</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(4,607</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>513,813</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,666,941</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income (loss)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5,072</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(390,789</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,303,826</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other income (expense)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(13</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>306</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,149</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest expense</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>250</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,753</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,124</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income (loss) from discontinued operations before income taxes</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,809</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(392,236</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,302,801</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes*</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>8,592</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(91,882</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(468,721</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(3,783</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(300,354</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(834,080</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to noncontrolling interest</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(131,691</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(35,256</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to the Company</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(3,783</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(168,663</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(798,824</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:91.18773946360153%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The pretax income (loss) from discontinued operations attributable to the Company, related to the operations of and activity associated with Dakota Prairie Refining, was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$6.9&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$(253.5)&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$(31.5)&#160;million</span></span> for the years ended December&#160;31, 2017, 2016 and 2015, respectively.<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -URI http://asc.fasb.org/topic&amp;trid=2155823<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -URI http://asc.fasb.org/subtopic&amp;trid=2122178<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6851227360">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Goodwill and other intangible assets<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract', window );"><strong>Goodwill and Intangible Assets Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock', window );">Goodwill and other intangible assets</a></td>
<td class="text">Goodwill and Other Intangible Assets<div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The changes in the carrying amount of goodwill for the year ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:83.9080459770115%;border-collapse:collapse;text-align:left;"><tr><td colspan="12"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:14%;"/><td style="width:1%;"/><td style="width:2%;"/><td style="width:1%;"/><td style="width:14%;"/><td style="width:1%;"/><td style="width:2%;"/><td style="width:1%;"/><td style="width:14%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at January&#160;1, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Goodwill Acquired</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">During the Year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="11" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>345,736</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>345,736</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>176,290</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>176,290</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>109,765</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>109,765</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>631,791</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>631,791</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The changes in the carrying amount of goodwill for the year ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.65900383141762%;border-collapse:collapse;text-align:left;"><tr><td colspan="16"/></tr><tr><td style="width:41%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at January&#160;1, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">*&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Goodwill Acquired</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">During the Year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Less Held for Sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="15" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>345,736</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>345,736</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,737</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,737</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>176,290</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>176,290</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>103,441</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,324</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>109,765</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>635,204</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,324</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,737</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>631,791</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Balance is presented net of accumulated impairment of </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>$12.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> at the pipeline and midstream segment, which occurred in prior periods.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.65900383141762%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Other amortizable intangible assets at December&#160;31 were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:66%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Customer relationships</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>15,248</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17,145</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated amortization</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>13,382</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,917</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,866</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,228</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Noncompete agreements</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,430</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,430</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,805</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,658</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>625</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>772</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6,990</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,768</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated amortization</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5,644</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,843</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,346</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,925</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3,837</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,925</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Amortization expense for amortizable intangible assets for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$2.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$2.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$2.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. Estimated amortization expense for intangible assets is </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2019</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$500,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2020</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$300,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2021</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$200,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2022</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$500,000</span></span> thereafter.<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
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<td style="white-space:nowrap;">us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final.  May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -URI http://asc.fasb.org/topic&amp;trid=2144416<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6858808704">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Regulatory assets and liabilities<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract', window );"><strong>Regulatory Assets and Liabilities Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock', window );">Regulatory assets and liabilities</a></td>
<td class="text">Regulatory Assets and Liabilities<div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following table summarizes the individual components of unamortized regulatory assets and liabilities as of December&#160;31:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"/></tr><tr><td style="width:53%;"/><td style="width:19%;"/><td style="width:2%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Estimated Recovery</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Period</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">*</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulatory assets:</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pension and postretirement benefits (a)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(e)</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>163,896</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>176,025</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes recoverable from customers (a)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Over plant lives</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>12,073</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>28,278</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Manufactured gas plant sites remediation (a)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>-</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>18,213</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>18,259</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Asset retirement obligations (a)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Over plant lives</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>56,078</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>42,580</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas costs recoverable through rate adjustments (b)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Up to 1 year</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>14,465</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,242</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt refinancing costs (a)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Up to 20 years</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5,563</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,248</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Costs related to identifying generation development (a)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Up to 9 years</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,960</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,407</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other (a) (b)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Up to 20 years</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>27,715</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>30,281</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total regulatory assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>300,963</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>307,320</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulatory liabilities:</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Plant removal and decommissioning costs (c)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>176,190</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>176,972</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes refundable to customers (c)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>279,668</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,010</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pension and postretirement benefits (c)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>11,056</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,099</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas costs refundable through rate adjustments (d)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>28,514</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>25,580</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other (c) (d)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>23,870</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>19,191</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total regulatory liabilities</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>519,298</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>241,852</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net regulatory position</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(218,335</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>65,468</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:6px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Estimated recovery period for regulatory assets currently being recovered in rates charged to customers.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in deferred charges and other assets - other on the Consolidated Balance Sheets.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(b)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in prepayments and other current assets on the Consolidated Balance Sheets.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(c)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in deferred credits and other liabilities - other on the Consolidated Balance Sheets.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(d)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in other accrued liabilities on the Consolidated Balance Sheets.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(e)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Recovered as expense is incurred or cash contributions are made.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The regulatory assets are expected to be recovered in rates charged to customers. A portion of the Company's regulatory assets are not earning a return; however, these regulatory assets are expected to be recovered from customers in future rates. As of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$269.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$255.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, of regulatory assets were not earning a rate of return.</span></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In the fourth quarter of 2017, the Company performed a one-time revaluation of the Company's regulated deferred tax assets and liabilities for the reduction of the corporate tax rate from 35&#160;percent to 21&#160;percent effective January&#160;1, 2018, as identified in the TCJA. The revaluation of the Company's regulatory deferred tax assets and liabilities are being deferred as the Company works with the various regulators on a plan for amounts expected to be returned to customers, as discussed in Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">16</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. In the fourth quarter of 2017, the revaluation of the deferred tax assets and liabilities resulted in a decrease of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$15.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in taxes recoverable from customers and an increase of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$270.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in taxes refundable to customers. These regulatory amounts are expected to generally be refunded over the remaining life of the related assets as prescribed in the TCJA. The approved regulatory treatment of the impacts of the TCJA by the various regulators may affect the analyses performed.</span></div>If, for any reason, the Company's regulated businesses cease to meet the criteria for application of regulatory accounting for all or part of their operations, the regulatory assets and liabilities relating to those portions ceasing to meet such criteria would be removed from the balance sheet and included in the statement of income or accumulated other comprehensive income (loss) in the period in which the discontinuance of regulatory accounting occurs.<span></span>
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for detailed information about regulatory assets and liabilities, including current and noncurrent assets created when regulatory agencies permit the deferral of costs to the balance sheet that would otherwise be required to appear on the company's income statement and would be charged against current expenses or revenues, as well as current and noncurrent liabilities created when regulatory agencies permit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfRegulatoryAssetsAndLiabilitiesTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6851216416">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Fair value measurements<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueDisclosuresAbstract', window );"><strong>Fair Value Disclosures [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueDisclosuresTextBlock', window );">Fair value measurements</a></td>
<td class="text">Fair Value Measurements<div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company measures its investments in certain fixed-income and equity securities at fair value with changes in fair value recognized in income. The Company anticipates using these investments, which consist of an insurance contract, to satisfy its obligations under its unfunded, nonqualified benefit plans for executive officers and certain key management employees, and invests in these fixed-income and equity securities for the purpose of earning investment returns and capital appreciation. These investments, which totaled </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$77.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$70.9&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, were classified as investments on the Consolidated Balance Sheets. The net unrealized gains on these investments for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$9.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$3.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$1.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. The change in fair value, which is considered part of the cost of the plan, is classified in operation and maintenance expense on the Consolidated Statements of Income.</span></div><div style="line-height:140%;padding-top:14px;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company did not elect the fair value option, which records gains and losses in income, for its available-for-sale securities, which include mortgage-backed securities and U.S. Treasury securities. These available-for-sale securities are recorded at fair value and are classified as investments on the Consolidated Balance Sheets. Unrealized gains or losses are recorded in accumulated other comprehensive income (loss). Details of available-for-sale securities were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:693px;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:337px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">December&#160;31, 2017</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Cost</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gross</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gains</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gross</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Losses</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Mortgage-backed securities</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,342</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>129</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,217</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. Treasury securities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>205</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>204</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,547</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>130</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,421</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:693px;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:337px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">December&#160;31, 2016</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Cost</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gross</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gains</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gross</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Losses</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Mortgage-backed securities</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,546</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>105</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,449</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,546</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>105</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,449</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. The ASC establishes a hierarchy for grouping assets and liabilities, based on the significance of inputs. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair values of the Company's assets and liabilities measured on a recurring basis are determined using the market approach.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's Level&#160;2 money market funds are valued at the net asset value of shares held at the end of the period, based on published market quotations on active markets, or using other known sources including pricing from outside sources. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the Company's Level&#160;2 mortgage-backed securities and U.S. Treasury securities are based on comparable market transactions, other observable inputs or other sources, including pricing from outside sources.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the Company's Level&#160;2 insurance contract is based on contractual cash surrender values that are determined primarily by investments in managed separate accounts of the insurer. These amounts approximate fair value. The managed separate accounts are valued based on other observable inputs or corroborated market data.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Though the Company believes the methods used to estimate fair value are consistent with those used by other market participants, the use of other methods or assumptions could result in a different estimate of fair value. For the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, there were no transfers between Levels&#160;1 and 2.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's assets measured at fair value on a recurring basis were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">at December&#160;31, 2017, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">in Active</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Markets for</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Identical</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Assets</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Observable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unobservable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;3)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Money market funds</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,965</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,965</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Insurance contract*</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>77,388</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>77,388</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Available-for-sale securities:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Mortgage-backed securities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,217</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,217</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. Treasury securities</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>204</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>204</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>94,774</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>94,774</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The insurance contract invests approximately </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>49</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in fixed-income investments, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>23</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>14</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of mid-cap companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>11</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of small-cap companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>2</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in target date investments and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>1</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in cash equivalents.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">at December&#160;31, 2016, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">in Active</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Markets for</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Identical</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Assets</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Observable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unobservable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;3)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Money market funds</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,602</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,602</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Insurance contract*</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>70,921</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>70,921</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Available-for-sale securities:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Mortgage-backed securities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,449</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,449</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>82,972</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>82,972</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The insurance contract invests approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>52</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in fixed-income investments, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>22</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>13</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of mid-cap companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>10</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of small-cap companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>1</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in target date investments and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>2</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in cash equivalents.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company applies the provisions of the fair value measurement standard to its nonrecurring, non-financial measurements, including long-lived asset impairments. These assets are not measured at fair value on an ongoing basis but are subject to fair value adjustments only in certain circumstances. The Company reviews the carrying value of its long-lived assets, excluding goodwill, whenever events or changes in circumstances indicate that such carrying amounts may not be recoverable.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">During the second quarter of 2015, coalbed natural gas gathering assets at the pipeline and midstream segment were reviewed for impairment and found to be impaired and were written down to their estimated fair value using the income approach. Under this approach, fair value is determined by using the present value of future estimated cash flows. The factors used to determine the estimated future cash flows include, but are not limited to, internal estimates of gathering revenue, future commodity prices and operating costs and equipment salvage values. The estimated cash flows are discounted using a rate that approximates the weighted average cost of capital of a market participant. These fair value inputs are not typically observable. At June&#160;30, 2015, natural gas gathering assets were written down to the nonrecurring fair value measurement of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">During the third quarter of 2015, the Company was negotiating the sale of certain non-strategic natural gas gathering assets at the pipeline and midstream segment and as a result these assets were found to be impaired and were written down to their estimated fair value using the market approach. The estimated fair value of natural gas gathering assets that were impaired at September&#160;30, 2015, was largely determined by agreed upon pricing in a purchase and sale agreement that the Company was negotiating, and these assets were sold in the fourth quarter of 2015. At September&#160;30, 2015, natural gas gathering assets were written down to the nonrecurring fair value measurement of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$10.8&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The fair value of these natural gas gathering assets have been categorized as Level&#160;3 in the fair value hierarchy.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company performed a fair value assessment of the assets and liabilities classified as held for sale. For more information on these Level&#160;3 nonrecurring fair value measurements, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's long-term debt is not measured at fair value on the Consolidated Balance Sheets and the fair value is being provided for disclosure purposes only. The fair value was based on discounted future cash flows using current market interest rates. The estimated fair value of the Company's Level&#160;2 long-term debt at December&#160;31 was as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td colspan="6" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Carrying</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Amount</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Fair</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Carrying</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Amount</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,714,853</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,826,256</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,790,159</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,841,885</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div>The carrying amounts of the Company's remaining financial instruments included in current assets and current liabilities approximate their fair values.<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -URI http://asc.fasb.org/topic&amp;trid=2155941<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6858808704">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Debt<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtDisclosureAbstract', window );"><strong>Debt Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtDisclosureTextBlock', window );">Debt</a></td>
<td class="text">Debt<div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Certain debt instruments of the Company and its subsidiaries, including those discussed later, contain restrictive covenants and cross-default provisions. In order to borrow under the respective credit agreements, the Company and its subsidiaries must be in compliance with the applicable covenants and certain other conditions. In the event the Company and its subsidiaries do not comply with the applicable covenants and other conditions, alternative sources of funding may need to be pursued.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following table summarizes the outstanding revolving credit facilities of the Company and its subsidiaries:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="20"/></tr><tr><td style="width:13%;"/><td style="width:22%;"/><td style="width:3%;"/><td style="width:1%;"/><td style="width:6%;"/><td style="width:1%;"/><td style="width:3%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:3%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:3%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:3%;"/><td style="width:12%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Company</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Facility</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Facility</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Limit</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Amount Outstanding&#160;at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Amount Outstanding&#160;at December&#160;31,</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Letters of</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Credit at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Expiration</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Date</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="17" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In millions)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">MDU Resources Group, Inc.</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial paper/Revolving credit agreement</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(a)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>175.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>73.8</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>111.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5/8/19</span></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cascade Natural Gas Corporation</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Revolving credit agreement</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>75.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(c)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17.3</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2.2</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(d)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4/24/20</span></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intermountain Gas Company</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Revolving credit agreement</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>85.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(e)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>40.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>20.9</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4/24/20</span></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Centennial Energy Holdings, Inc.</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial paper/Revolving credit agreement</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(f)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>500.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>14.6</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>151.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9/23/21</span></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The commercial paper program is supported by a revolving credit agreement with various banks (provisions allow for increased borrowings, at the option of the Company on stated conditions, up to a maximum of </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$225.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">). There were no amounts outstanding under the revolving credit agreement.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(b)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Amount outstanding under commercial paper program.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(c)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Certain provisions allow for increased borrowings, up to a maximum of </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$100.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(d)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Outstanding letter(s) of credit reduce the amount available under the credit agreement.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(e)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Certain provisions allow for increased borrowings, up to a maximum of </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$110.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(f)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The commercial paper program is supported by a revolving credit agreement with various banks (provisions allow for increased borrowings, at the option of Centennial on stated conditions, up to a maximum of </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$600.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">). There were no amounts outstanding under the revolving credit agreement.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's and Centennial's respective commercial paper programs are supported by revolving credit agreements. While the amount of commercial paper outstanding does not reduce available capacity under the respective revolving credit agreements, the Company and Centennial do not issue commercial paper in an aggregate amount exceeding the available capacity under their credit agreements. The commercial paper borrowings may vary during the period, largely the result of fluctuations in working capital requirements due to the seasonality of the construction businesses.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following includes information related to the preceding table.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Long-term debt</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">MDU Resources Group, Inc. </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's revolving credit agreement supports its commercial paper program. Commercial paper borrowings under this agreement are classified as long-term debt as they are intended to be refinanced on a long-term basis through continued commercial paper borrowings.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The credit agreement contains customary covenants and provisions, including covenants of the Company not to permit, as of the end of any fiscal quarter, (A)&#160;the ratio of funded debt to total capitalization (determined on a consolidated basis) to be greater than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>65</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent or (B)&#160;the ratio of funded debt to capitalization (determined with respect to the Company alone, excluding its subsidiaries) to be greater than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>65</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent. Other covenants include limitations on the sale of certain assets and on the making of certain loans and investments.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">There are no credit facilities that contain cross-default provisions between the Company and any of its subsidiaries.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Cascade Natural Gas Corporation </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Any borrowings under the revolving credit agreement are classified as long-term debt as they are intended to be refinanced on a long-term basis through continued borrowings.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On April 25, 2017, Cascade amended its revolving credit agreement to increase the borrowing limit from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$50.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$75.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and extend the termination date from July 9, 2018 to April 24, 2020. The credit agreement contains customary covenants and provisions, including a covenant of Cascade not to permit, at any time, the ratio of total debt to total capitalization to be greater than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>65</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent. Other covenants include restrictions on the sale of certain assets, limitations on indebtedness and the making of certain investments.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Cascade's credit agreement also contains cross-default provisions. These provisions state that if Cascade fails to make any payment with respect to any indebtedness or contingent obligation, in excess of a specified amount, under any agreement that causes such indebtedness to be due prior to its stated maturity or the contingent obligation to become payable, Cascade will be in default under the revolving credit agreement. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Intermountain Gas Company </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Any borrowings under the revolving credit agreement are classified as long-term debt as they are intended to be refinanced on a long-term basis through continued borrowings.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On April 25, 2017, Intermountain amended its revolving credit agreement to increase the borrowing limit from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$65.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$85.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and extend the termination date from July&#160;13, 2018 to April&#160;24, 2020. The credit agreement contains customary covenants and provisions, including a covenant of Intermountain not to permit, at any time, the ratio of total debt to total capitalization to be greater than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>65</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent. Other covenants include restrictions on the sale of certain assets, limitations on indebtedness and the making of certain investments.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Intermountain's credit agreement also contains cross-default provisions. These provisions state that if Intermountain fails to make any payment with respect to any indebtedness or contingent obligation, in excess of a specified amount, under any agreement that causes such indebtedness to be due prior to its stated maturity or the contingent obligation to become payable, or certain conditions result in an early termination date under any swap contract that is in excess of a specified amount, then Intermountain will be in default under the revolving credit agreement.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Centennial Energy Holdings, Inc.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Centennial's revolving credit agreement supports its commercial paper program. Commercial paper borrowings under this agreement are classified as long-term debt as they are intended to be refinanced on a long-term basis through continued commercial paper borrowings.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Centennial's revolving credit agreement and certain debt outstanding under an expired uncommitted long-term master shelf agreement contain customary covenants and provisions, including a covenant of Centennial, not to permit, as of the end of any fiscal quarter, the ratio of total consolidated debt to total consolidated capitalization to be greater than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>65</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent (for the revolving credit agreement) and a covenant of Centennial and certain of its subsidiaries, not to permit, as of the end of any fiscal quarter, the ratio of total debt to total capitalization to be greater than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>60</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent (for the master shelf agreement). The master shelf agreement also includes a covenant that does not permit the ratio of Centennial's EBITDA to interest expense, for the 12-month period ended each fiscal quarter, to be less than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>1.75</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to 1. Other covenants include restricted payments, restrictions on the sale of certain assets, limitations on subsidiary indebtedness, minimum consolidated net worth, limitations on priority debt and the making of certain loans and investments.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Certain of Centennial's financing agreements contain cross-default provisions. These provisions state that if Centennial or any subsidiary of Centennial fails to make any payment with respect to any indebtedness or contingent obligation, in excess of a specified amount, under any agreement that causes such indebtedness to be due prior to its stated maturity or the contingent obligation to become payable, the applicable agreements will be in default.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">WBI Energy Transmission, Inc. </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">WBI Energy Transmission has a </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$200.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> uncommitted note purchase and private shelf agreement with an expiration date of May 16, 2019. WBI Energy Transmission had </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$100.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of notes outstanding at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, which reduced the remaining capacity under this uncommitted private shelf agreement to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$100.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. This agreement contains customary covenants and provisions, including a covenant of WBI Energy Transmission not to permit, as of the end of any fiscal quarter, the ratio of total debt to total capitalization to be greater than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>55</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent. Other covenants include a limitation on priority debt and restrictions on the </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">sale of certain assets and the making of certain investments. On December&#160;22, 2017, WBI Energy Transmission contracted to issue an additional </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$40.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> under the private shelf agreement at an interest rate of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>4.18</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent on June&#160;15, 2018.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Long-term Debt Outstanding</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Long-term debt outstanding was as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:93.10344827586206%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"/></tr><tr><td style="width:57%;"/><td style="width:14%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Weighed Average Interest Rate at December 31, 2017</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">December&#160;31, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Senior Notes due on dates ranging from June 19, 2018 to January&#160;15, 2055</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4.71</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,499,916</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,437,831</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial paper supported by revolving credit agreements</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1.72</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>88,350</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>262,000</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Medium-Term Notes due on dates ranging from September&#160;1, 2020 to March&#160;16, 2029</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6.68</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>50,000</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>50,000</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other notes due on dates ranging from July 1, 2019 to November 30, 2038</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5.24</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>24,982</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24,471</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Credit agreements due on April 24, 2020</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.71</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>57,300</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>21,793</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less unamortized debt issuance costs</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5,694</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,832</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less discount</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>104</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total long-term debt</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,714,853</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,790,159</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less current maturities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>148,499</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>43,598</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net long-term debt</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,566,354</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,746,561</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Schedule of Debt Maturities </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Long-term debt maturities, which excludes unamortized debt issuance costs and discount, for the five years and thereafter following </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span></div><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="19"/></tr><tr><td style="width:28%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2019</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2020</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2021</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2022</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Thereafter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt maturities</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>148,499</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>125,504</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>73,012</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,312</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>147,214</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,211,007</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6858794816">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Asset retirement obligations<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationAbstract', window );"><strong>Asset Retirement Obligation [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationDisclosureTextBlock', window );">Asset retirement obligations</a></td>
<td class="text">Asset Retirement Obligations<div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company records obligations related to retirement costs of natural gas distribution mains and lines, natural gas transmission lines, storage facilities, decommissioning of certain electric generating facilities, reclamation of certain aggregate properties, special handling and disposal of hazardous materials at certain electric generating facilities, natural gas distribution facilities and buildings, and certain other obligations as asset retirement obligations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">A reconciliation of the Company's liability, which is included in other accrued liabilities and deferred credits and other liabilities - other on the Consolidated Balance Sheets, for the years ended December&#160;31 was as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:66%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at beginning of year</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>314,970</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>242,224</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Liabilities incurred</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>15,110</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,114</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Liabilities settled</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(4,981</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(4,338</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accretion expense*</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>16,839</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,918</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Revisions in estimates</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>31</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>48,052</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at end of year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>341,969</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>314,970</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Includes </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$15.6&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$12.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> in 2017 and 2016, respectively, related to regulatory assets.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The 2016 revisions in estimates consist principally of updated asset retirement obligation costs associated with natural gas transmission lines and storage facilities at the pipeline and midstream segment. </span></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company believes that largely all expenses related to asset retirement obligations at the Company's regulated operations will be recovered in rates over time and, accordingly, defers such expenses as regulatory assets. For more information on the Company's regulatory assets and liabilities, see Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span>.<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationAbstract</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -URI http://asc.fasb.org/subtopic&amp;trid=2175671<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6858808704">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Preferred stocks<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockDisclosuresAbstract', window );"><strong>Class of Stock Disclosures [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockTextBlock', window );">Preferred stocks</a></td>
<td class="text">Preferred Stocks<div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Preferred stocks at December&#160;31 were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:66%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands, except shares</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">and per share amounts)</span></div></td><td style="vertical-align:bottom;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Authorized:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Preferred -</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">500,000 shares, cumulative, par value $100, issuable in series</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Preferred stock A -</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:18px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,000,000 shares, cumulative, without par value, issuable in series (none outstanding)</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Preference -</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:18px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">500,000 shares, cumulative, without par value, issuable in series (none outstanding)</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Outstanding:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.50% Series - 100,000 shares</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,000</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.70% Series - 50,000 shares</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,000</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total preferred stocks</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,000</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For the years </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, dividends declared on the </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>4.50%</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Series and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>4.70%</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Series preferred stocks were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$4.50</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$4.70</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> per share, respectively. On April 1, 2017, the Company redeemed all outstanding </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>4.50%</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Series and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>4.70%</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Series preferred stocks at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$105</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> per share and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$102</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> per share, respectively, for a repurchase price of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$15.6&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$300,000</span></span> of redeemable preferred stock classified as long-term debt.<span></span>
</td>
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<div style="display: none;">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ClassOfStockDisclosuresAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockTextBlock">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for terms, amounts, nature of changes, rights and privileges, dividends, and other matters related to preferred stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -URI http://asc.fasb.org/topic&amp;trid=2208762<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6858674464">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Common stock<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockDisclosuresAbstract', window );"><strong>Class of Stock Disclosures [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_CommonStockDisclosureTextBlock', window );">Common Stock</a></td>
<td class="text">Common Stock <div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For the years </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, dividends declared on common stock were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$.7750</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$.7550</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$.7350</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> per common share, respectively.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Stock Purchase Plan provided interested investors the opportunity to make optional cash investments and to reinvest all or a percentage of their cash dividends in shares of the Company's common stock. The K-Plan provides participants the option to invest in the Company's common stock. From January 2015 through August 2015, the Stock Purchase Plan and K-Plan, with respect to Company stock, purchased shares of authorized but unissued common stock from the Company. From September 2015 through December 2017, the K-Plan purchased shares of common stock on the open market. At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, there were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>7.8&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> shares of common stock reserved for original issuance under the K-Plan. From September 2015 through December 4, 2016, the Stock Purchase Plan purchased shares of common stock on the open market. On December&#160;5, 2016, the Stock Purchase Plan was terminated and all remaining shares reserved for original issuance under the plan were de-registered.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company depends on earnings from its divisions and dividends from its subsidiaries to pay dividends on common stock. The declaration and payment of dividends is at the sole discretion of the board of directors, subject to limitations imposed by the Company's credit agreements, federal and state laws, and applicable regulatory limitations. In addition, the Company and Centennial are generally restricted to paying dividends out of capital accounts or net assets. The following discusses the most restrictive limitations.</span></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Pursuant to a covenant under a credit agreement, Centennial may only declare or pay distributions if as of the last day of any fiscal quarter, the ratio of Centennial's average consolidated indebtedness as of the last day of such fiscal quarter and each of the preceding three fiscal quarters to Centennial's Consolidated EBITDA does not exceed </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>3</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to 1; and after giving effect to such distribution, all distributions made during the 12-month period ending on the last day of the fiscal quarter in which such distribution is made will not exceed the remainder of Centennial's Consolidated EBITDA minus Centennial's capital expenditures less the net cash proceeds from all sales of capital assets from continuing operations, for the immediately preceding 12-month period. Intermountain has regulatory limitations on the amount of dividends it can pay. Based on these limitations, approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.3&#160;billion</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of the net assets of the Company's subsidiaries were restricted from being used to transfer funds to the Company at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. In addition, the Company's credit agreement also contains restrictions on dividend payments. The most restrictive limitation requires the Company not to permit the ratio of funded debt to capitalization (determined with respect to the Company alone, excluding its subsidiaries) to be greater than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>65</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent. Based on this limitation, approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$384&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of the Company's (excluding its subsidiaries) net assets, which represents common stockholders' equity including retained earnings, would be restricted from use for dividend payments at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span>. In addition, state regulatory commissions may require the Company to maintain certain capitalization ratios. These requirements are not expected to affect the Company's ability to pay dividends in the near term.<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Entire disclosure of common stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6851208720">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Stock-Based Compensation<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationAbstract', window );"><strong>Share-based Compensation [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock', window );">Stock-based compensation</a></td>
<td class="text">Stock-Based Compensation<div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company has several stock-based compensation plans under which it is currently authorized to grant restricted stock and other stock awards. As of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, there were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>5.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> remaining shares available to grant under these plans. The Company generally purchases shares on the open market for non-employee director stock awards. The Company purchased shares on the open market for the employee performance shares that vested in 2017. The Company anticipates future employee performance share awards will continue to be satisfied by purchasing shares on the open market.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Total stock-based compensation expense (after tax) was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$2.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$3.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$2.9&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">As of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, total remaining unrecognized compensation expense related to stock-based compensation was approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$4.8&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> (before income taxes) which will be amortized over a weighted average period of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>1.5</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;years.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Stock awards</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Non-employee directors receive shares of common stock in addition to and in lieu of cash payment for directors' fees. Shares of common stock were issued under the non-employee director stock compensation plan or the non-employee director long-term incentive compensation plan. There were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>40,572</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;shares with a fair value of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>37,218</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;shares with a fair value of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>58,181</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;shares with a fair value of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> issued under these plans during the years ended December&#160;31, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. </span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Performance share awards</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Since 2003, key employees of the Company have been awarded performance share awards each year. Entitlement to performance shares is based on the Company's total shareholder return over designated performance periods as measured against a selected peer group.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Target grants of performance shares outstanding at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:515px;border-collapse:collapse;text-align:left;"><tr><td colspan="4"/></tr><tr><td style="width:337px;"/><td style="width:89px;"/><td style="width:86px;"/><td style="width:3px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">Grant Date</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Performance</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Period</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Target Grant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">of Shares</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">February 2016</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:normal;">2016-2018</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>258,825</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">March 2016</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:normal;">2016-2018</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,151</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">February 2017</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2017-2019</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>164,558</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Participants may earn from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>zero</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>200</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent of the target grant of shares based on the Company's total shareholder return relative to that of the selected peer group. Compensation expense is based on the grant-date fair value as determined by Monte Carlo simulation. The blended volatility term structure ranges are comprised of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>50</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent historical volatility and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>50</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent implied volatility. Risk-free interest rates were based on U.S. Treasury security rates in effect as of the grant date. Assumptions used for grants of performance shares issued in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> were:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:696px;border-collapse:collapse;text-align:left;"><tr><td colspan="19"/></tr><tr><td style="width:266px;"/><td style="width:64px;"/><td style="width:8px;"/><td style="width:22px;"/><td style="width:8px;"/><td style="width:32px;"/><td style="width:8px;"/><td style="width:61px;"/><td style="width:8px;"/><td style="width:22px;"/><td style="width:9px;"/><td style="width:31px;"/><td style="width:8px;"/><td style="width:60px;"/><td style="width:8px;"/><td style="width:22px;"/><td style="width:9px;"/><td style="width:31px;"/><td style="width:8px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average grant-date fair value</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>$24.31</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>$14.60</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>$18.98</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Blended volatility range</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>22.70</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>25.56</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>29.25</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>32.51</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>22.86</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24.61</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Risk-free interest rate range</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.69</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1.61</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.47</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.92</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.05</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1.07</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average discounted dividends per share</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>$1.70</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>$1.56</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>$1.57</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The fair value of the performance shares that vested during the years ended December&#160;31, 2017 and 2016, was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$9.6&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$953,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. There were no performance shares that vested in 2015.</span></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">A summary of the status of the performance share awards for the year ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, was as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="6"/></tr><tr><td style="width:72%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Number of</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Shares</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Weighted</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Average</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Grant-Date</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonvested at beginning of period</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>664,188</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>21.47</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Granted</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>203,646</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24.31</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Additional performance shares earned</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>81,643</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>19.22</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Vested</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>360,319</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24.88</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Forfeited</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>163,624</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24.46</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonvested at end of period</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>425,534</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>18.35</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -URI http://asc.fasb.org/topic&amp;trid=2228938<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 50<br> -URI http://asc.fasb.org/subtopic&amp;trid=2208855<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6851146800">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureTextBlock', window );">Income taxes</a></td>
<td class="text">Income Taxes<div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The components of income before income taxes from continuing operations for each of the years ended December&#160;31 were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:61%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">United States</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>350,064</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>326,252</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>248,379</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Foreign</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(37</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(24</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,326</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income before income taxes from continuing operations</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>350,027</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>326,228</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>247,053</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Income tax expense from continuing operations for the years ended December&#160;31 was as follows: </span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:61%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Federal</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>74,272</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>81,989</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>85,897</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">State</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>16,192</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,190</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,093</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Foreign</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>30</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>90,464</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>95,181</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>96,020</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Federal</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(24,497</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,102</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(19,632</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">State</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(864</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,184</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(5,304</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Investment tax credit - net</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(62</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,131</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(420</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(25,423</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,049</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(25,356</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total income tax expense</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>65,041</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>93,132</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>70,664</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In accordance with the accounting guidance on accounting for income taxes, the tax effects of the change in tax laws or rates are to be recorded in the period of enactment. The TCJA was enacted on December 22, 2017, as discussed in Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">1</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Therefore, the reduction in the corporate tax rate from 35&#160;percent to 21&#160;percent required the Company to prepare a one-time revaluation of the Company's deferred tax assets and liabilities in the fourth quarter of 2017, the period of enactment. The deferred taxes were revalued at the new tax rate because deferred taxes should reflect what the Company expects to pay or receive in future periods under the applicable tax rate. As a result of the revaluation, the Company reduced the value of these assets and liabilities and recorded a tax benefit from continuing operations of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$39.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> on the Consolidated Statements of Income for the year ended December 31, 2017. Included in the tax benefit from continuing operations was income tax expense of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$7.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> related to amounts in accumulated other comprehensive loss and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> related to the Company's assets held for sale.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's regulated operations prepared a one-time revaluation of the Company's regulatory deferred tax assets and liabilities in the fourth quarter of 2017 related to the enactment of the TCJA. The revaluation is being deferred under regulatory accounting as the Company works with the various regulators on a plan for amounts expected to be returned to customers, as discussed in Notes </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">16</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. The revaluation of the deferred tax assets and liabilities resulted in a net decrease of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$285.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in the fourth quarter of 2017. These regulatory amounts are expected to generally be refunded over the remaining life of the related assets as prescribed in the TCJA. The approved regulatory treatment of the impacts of the TCJA by the various regulators may affect the analyses performed.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The changes included in the TCJA are broad and complex. While the Company was able to make reasonable estimates of the impact of the reduction in corporate tax rate on the Company's net deferred tax liabilities, it may be affected by other analyses related to the TCJA, including, but not limited to, the state tax effect of adjustments to federal temporary differences and the calculation of deemed repatriation of deferred foreign income. The final transition impacts of the TCJA may differ from amounts disclosed, possibly materially, due to, among other things, changes in interpretations, legislative action to address questions, changes in accounting standards for income taxes or related interpretations, or updates or changes to estimates the Company has utilized to calculate the transition impacts. The SEC has issued rules that would allow for a measurement period of up to one year after the enactment date of the TCJA to finalize the recording of the related tax impacts. The Company currently anticipates finalizing and recording any resulting adjustments by December&#160;31, 2018, which will be included in income from continuing operations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Components of deferred tax assets and deferred tax liabilities at December&#160;31 were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:70%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:52px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred tax assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Postretirement</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>55,736</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>87,872</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Compensation-related</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>16,298</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>44,995</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Alternative minimum tax credit carryforward</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>37,683</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>29,338</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Federal renewable energy credit</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>19,367</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>16,944</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Customer advances</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>8,712</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,524</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Legal and environmental contingencies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7,363</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,895</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Asset retirement obligations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6,380</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8,867</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>35,738</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>46,957</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total deferred tax assets</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>187,277</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>258,392</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred tax liabilities:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Depreciation and basis differences on property, plant and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>429,577</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>774,838</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Postretirement</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>43,505</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>70,670</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intangible asset amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>16,979</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>26,413</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>32,591</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>45,580</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total deferred tax liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>522,652</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>917,501</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Valuation allowance</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>11,896</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,117</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net deferred income tax liability</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>347,271</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>668,226</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">As of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company had various state income tax net operating loss carryforwards of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$130.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$114.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, and federal and state income tax credit carryforwards, excluding alternative minimum tax credit carryforwards, of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$52.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$43.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. Included in the state credits are various regulatory investment tax credits of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$28.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$20.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. The federal income tax credit carryforwards expire in 2036 and 2037 if not utilized and state income tax credit carryforwards are due to expire between 2018 and 2045. It is likely that a portion of the benefit from the state carryforwards will not be realized; therefore, valuation allowances have been provided. Changes in tax regulations or assumptions regarding current and future taxable income could require additional valuation allowances in the future. The alternative minimum tax credit carryforwards are refundable. For information regarding net operating loss carryforwards and valuation allowances related to discontinued operations, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following table reconciles the change in the net deferred income tax liability from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, to deferred income tax benefit:</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="4"/></tr><tr><td style="width:83%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Change in net deferred income tax liability from the preceding table</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(320,955</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred taxes associated with other comprehensive loss</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,182</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred taxes associated with TCJA enactment for regulated activities</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"><span>285,520</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>8,830</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred income tax benefit for the period</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(25,423</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Total income tax expense differs from the amount computed by applying the statutory federal income tax rate to income before taxes. The reasons for this difference were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="16"/></tr><tr><td style="width:52%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:5%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:5%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:5%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December&#160;31,</span></div></td><td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Amount</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Amount</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Amount</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="15" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Dollars in thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Computed tax at federal statutory rate</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>122,509</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>35.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>114,179</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>35.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>86,468</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>35.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Increases (reductions) resulting from:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">State income taxes, net of federal income tax</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>10,724</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.1</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,027</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2.8</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8,208</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3.3</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Federal renewable energy credit</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(13,958</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(4.0</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(13,544</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(4.2</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,400</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1.4</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Tax compliance and uncertain tax positions</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(643</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(.2</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,028</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.9</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,607</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Domestic production deduction</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(6,849</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(2.0</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,251</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1.9</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,842</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2.8</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">TCJA revaluation</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(47,242</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(13.5</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">TCJA revaluation related to accumulated other comprehensive loss balance</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7,735</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2.2</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(7,235</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(2.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(7,251</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2.3</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(11,163</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(4.5</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total income tax expense</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>65,041</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>18.6</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>93,132</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>28.5</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>70,664</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>28.6</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Included in the TCJA is the deemed repatriation transition tax which is a one-time transition tax on previously untaxed accumulated earnings and profits of certain foreign operations that is payable over 8&#160;years. At December 31, 2017, the Company's liability for the deemed repatriation transition tax was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$447,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Historically, deferred income taxes were accrued with respect to the Company's foreign operations.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company and its subsidiaries file income tax returns in the U.S. federal jurisdiction, and various state, local and foreign jurisdictions. The Company is no longer subject to U.S. federal or non-U.S. income tax examinations by tax authorities for years ending prior to 2014. With few exceptions, as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company is no longer subject to state and local income tax examinations by tax authorities for years ending prior to 2013.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company had no unrecognized tax benefits (excluding interest) for the years ended December&#160;31, 2017, 2016 and 2015.</span></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Included in income tax expense is interest on uncertain tax positions. For the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company recognized approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$(99,000)</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$(92,000)</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$122,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, of interest (income) expense in income tax expense. At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company had accrued receivables of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$46,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$54,000</span></span>, respectively, for interest.<span></span>
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<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -URI http://asc.fasb.org/topic&amp;trid=2144680<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6858794816">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Cash flow information<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SupplementalCashFlowInformationAbstract', window );"><strong>Supplemental Cash Flow Information [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashFlowSupplementalDisclosuresTextBlock', window );">Cash flow information</a></td>
<td class="text">Cash Flow Information<div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Cash expenditures for interest and income taxes for the years ended December&#160;31 were as follows:</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:88.97485493230174%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:55%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest, net*</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>79,638</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>87,920</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>88,775</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes paid, net**</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>112,137</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>105,908</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>61,405</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:6px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Capitalized interest and AFUDC - borrowed was </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$966,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$914,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$9.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> for the years ended December&#160;31, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, respectively.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">**</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Income taxes paid, net of discontinued operations, were </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$9.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$1.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$2.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> for the years ended December&#160;31, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, respectively.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:88.97485493230174%;border-collapse:collapse;text-align:left;"><tr><td colspan="4"/></tr><tr><td style="width:55%;"/><td style="width:15%;"/><td style="width:15%;"/><td style="width:15%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Noncash investing transactions at December&#160;31 were as follows:</span></div><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:612px;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:345px;"/><td style="width:8px;"/><td style="width:78px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Property, plant and equipment additions in accounts payable</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>29,263</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>22,712</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>39,754</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for supplemental cash flow activities, including cash, noncash, and part noncash transactions, for the period. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -URI http://asc.fasb.org/topic&amp;trid=2134446<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6853105808">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business segment data<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingAbstract', window );"><strong>Segment Reporting [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingDisclosureTextBlock', window );">Business segment data</a></td>
<td class="text">Business Segment Data<div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's reportable segments are those that are based on the Company's method of internal reporting, which generally segregates the strategic business units due to differences in products, services and regulation. The internal reporting of these operating segments is defined based on the reporting and review process used by the Company's chief executive officer. The vast majority of the Company's operations are located within the United States.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The electric segment generates, transmits and distributes electricity in Montana, North Dakota, South Dakota and Wyoming. The natural gas distribution segment distributes natural gas in those states as well as in Idaho, Minnesota, Oregon and Washington. These operations also supply related value-added services.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The pipeline and midstream segment provides natural gas transportation, underground storage and gathering services through regulated and nonregulated pipeline systems primarily in the Rocky Mountain and northern Great Plains regions of the United States. This segment also provides cathodic protection and other energy-related services. For information on the Company's natural gas and oil gathering and processing facility sold on January 1, 2017, see Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The construction materials and contracting segment </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">operations mine, process and sell construction aggregates (crushed stone, sand and gravel); produce and sell asphalt mix; and supply ready-mixed concrete.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> This segment </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">focuses on vertical integration of construction services to support the aggregate based product lines including aggregate placement, asphalt and concrete paving, and site development and grading. Although not common to all locations, other products include the sale of cement, liquid asphalt for various commercial and roadway applications, various finished concrete products and other building materials and related contracting services.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">This segment operates in the central, southern and western United States and Alaska and Hawaii.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The construction services segment </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">provides inside and outside specialty contracting services. Its outside services include design, construction and maintenance of overhead and underground electrical distribution and transmission lines, substations, external lighting, traffic signalization, and gas pipelines, as well as utility excavation and the manufacture and distribution of transmission line construction equipment. Its inside services include design, construction and maintenance of electrical and communication wiring and infrastructure, fire suppression systems, and mechanical piping and services. This business also designs, constructs and maintains renewable energy projects. These specialty contracting services are provided to utilities and large manufacturing, commercial, industrial, institutional and government customers. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Other category includes the activities of Centennial Capital, which insures various types of risks as a captive insurer for certain of the Company's subsidiaries. The function of the captive insurer is to fund the deductible self-insured layers of the insured companies' general liability, automobile liability, pollution liability and other coverages. Centennial Capital also owns certain real and personal property. The Other category also includes certain general and administrative costs (reflected in operation and maintenance expense) and interest expense which were previously allocated to the refining business and Fidelity and do not meet the criteria for income (loss) from discontinued operations. The Other category also includes Centennial Resources' former investment in Brazil.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Discontinued operations includes the results and supporting activities of Dakota Prairie Refining and Fidelity other than certain general and administrative costs and interest expense</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> as described above. Dakota Prairie Refining refined crude oil and produced and sold diesel fuel, naphtha, ATBs and other by-products of the production process. </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In the second quarter of 2016, the Company sold all of the outstanding membership interests in Dakota Prairie Refining.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Fidelity engaged in oil and natural gas development and production activities in the Rocky Mountain and Mid-Continent/Gulf States regions of the United States. </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Between September 2015 and March 2016, the Company entered into purchase and sale agreements to sell substantially all of Fidelity's oil and natural gas assets. The completion of these sales occurred between October 2015 and April 2016.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> For more information on discontinued operations, see Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The information below follows the same accounting policies as described in Note 1. Information on the Company's segments as of December&#160;31 and for the years then ended was as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:61%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">External operating revenues:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>342,805</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>322,356</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>280,615</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>848,388</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>766,115</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>817,419</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>53,566</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>52,983</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>51,004</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,244,759</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,141,454</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,149,038</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonregulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>19,602</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>39,602</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>54,281</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,811,964</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,873,696</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,901,530</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,366,317</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,072,663</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>907,767</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>709</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,413</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,436</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3,198,592</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,987,374</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,865,014</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total external operating revenues</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,443,351</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,128,828</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,014,052</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment operating revenues:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>48,867</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>48,794</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>49,065</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>48,867</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>48,794</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>49,065</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonregulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>178</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>223</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>554</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>565</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>574</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,752</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,285</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>609</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>18,660</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7,165</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,230</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,755</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>9,193</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8,636</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>29,721</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(58,060</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(57,430</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(78,786</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total intersegment operating revenues</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Depreciation, depletion and amortization:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>47,715</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>50,220</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>37,583</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>69,381</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>65,426</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>64,756</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>16,788</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24,885</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>27,981</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>55,862</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>58,413</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>65,937</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>15,739</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,307</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,420</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,001</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,067</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,070</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total depreciation, depletion and amortization</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>207,486</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>216,318</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>211,747</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest expense:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>25,377</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24,982</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17,421</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>31,234</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>30,405</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>29,471</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,990</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,903</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,895</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>14,778</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,265</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,183</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3,742</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,059</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,959</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3,564</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,854</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,853</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(897</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(620</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(603</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total interest expense</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>82,788</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>87,848</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>91,179</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:61%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7,699</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,449</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,523</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>22,756</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,181</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,377</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>12,281</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>12,408</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,505</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5,405</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>60,625</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>41,619</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>25,558</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17,748</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>16,432</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(1,809</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,028</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(9,834</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(6,849</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,251</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(7,958</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total income taxes</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>65,041</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>93,132</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>70,664</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) on common stock:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>49,366</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>42,222</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>35,914</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>32,225</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>27,102</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>23,607</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>20,620</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>22,060</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>20,680</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>102,211</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>91,384</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>80,201</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonregulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(127</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,375</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(7,430</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>123,398</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>102,687</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>89,096</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>53,306</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>33,945</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>23,762</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(1,422</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,231</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(14,941</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>175,155</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>134,776</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>90,487</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations (a)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6,849</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,251</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,016</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings on common stock before loss from discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>284,215</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>232,411</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>175,704</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations, net of tax (a)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(3,783</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(300,354</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(834,080</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to noncontrolling interest</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(131,691</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(35,256</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total earnings (loss) on common stock</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>280,432</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>63,748</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(623,120</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Capital expenditures:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>109,107</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>111,134</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>332,876</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>146,981</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>126,272</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>130,793</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>31,054</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>34,467</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>18,315</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>44,302</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>37,845</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>48,126</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>18,630</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>60,344</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>38,269</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,850</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,358</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,755</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total capital expenditures (b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>351,924</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>372,420</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>572,134</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric (c)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,470,922</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,406,694</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,325,858</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution (c)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,201,081</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,099,296</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,038,433</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>566,295</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>550,615</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>591,651</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,238,696</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,220,459</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,261,963</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>591,382</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>513,093</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>442,845</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other (d)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>261,419</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>283,255</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>287,940</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,871</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>211,055</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>616,464</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6,334,666</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,284,467</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,565,154</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:21px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:21px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:21px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:21px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:61%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Property, plant and equipment:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric (c)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,982,264</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,888,613</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,786,148</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution (c)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,319,845</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,179,413</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,076,581</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>700,284</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>672,199</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>758,729</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,560,048</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,549,375</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,553,428</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>177,265</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>171,361</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>163,279</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>31,123</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>49,268</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>49,537</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,691,641</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,578,902</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,489,322</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net property, plant and equipment</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,079,188</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,931,327</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,898,380</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(b)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Capital expenditures for 2017, 2016 and 2015 include noncash capital expenditure-related accounts payable and AFUDC, totaling </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$10.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$(15.8)&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$35.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, respectively.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(c)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Includes allocations of common utility property.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(d)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Includes assets not directly assignable to a business (i.e. cash and cash equivalents, certain accounts receivable, certain investments and other miscellaneous current and deferred assets).</span></div></td></tr></table><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -URI http://asc.fasb.org/topic&amp;trid=2134510<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6853105232">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee benefit plans<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CompensationAndRetirementDisclosureAbstract', window );"><strong>Retirement Benefits [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock', window );">Employee Benefit Plans</a></td>
<td class="text">Employee Benefit Plans<div style="line-height:140%;padding-top:0px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Pension and other postretirement benefit plans</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company has noncontributory qualified defined benefit pension plans and other postretirement benefit plans for certain eligible employees. The Company uses a measurement date of December&#160;31 for all of its pension and postretirement benefit plans.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Prior to 2013, defined pension plan benefits and accruals for all nonunion and certain union plans were frozen. On June 30, 2015, an additional union plan was frozen. As of June 30, 2015, all of the Company's defined pension plans were frozen. These employees were eligible to receive additional defined contribution plan benefits.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Effective January&#160;1, 2010, eligibility to receive retiree medical benefits was modified at certain of the Company's businesses. Employees who had attained age 55 with 10 years of continuous service by December&#160;31, 2010, will be provided the current retiree medical insurance benefits or can elect the new benefit, if desired, regardless of when they retire. All other current employees must meet the new eligibility criteria of age 60 and 10 years of continuous service at the time they retire. These employees will be eligible for a specified company funded Retiree Reimbursement Account. Employees hired after December&#160;31, 2009, will not be eligible for retiree medical benefits at certain of the Company's businesses.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In 2012, the Company modified health care coverage for certain retirees. Effective January&#160;1, 2013, post-65 coverage was replaced by a fixed-dollar subsidy for retirees and spouses to be used to purchase individual insurance through an exchange.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Changes in benefit obligation and plan assets for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, and amounts recognized in the Consolidated Balance Sheets at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension Benefits</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Postretirement Benefits</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Change in benefit obligation:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Benefit obligation at beginning of year</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>436,307</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>442,960</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>89,304</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>92,734</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Service cost</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,508</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,647</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest cost</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>16,207</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17,218</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3,265</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,688</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Plan participants' contributions</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,368</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,405</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Actuarial (gain) loss</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>19,119</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,882</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,781</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,872</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Benefits paid</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(25,710</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(25,753</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(6,020</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,298</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Benefit obligation at end of year</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>445,923</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>436,307</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>91,206</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>89,304</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Change in net plan assets:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Fair value of plan assets at beginning of year</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>333,509</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>332,667</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>82,846</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>82,593</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Actual gain on plan assets</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>45,473</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>26,595</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>9,612</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,184</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Employer contribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,112</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>933</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>962</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Plan participants' contributions</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,368</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,405</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Benefits paid</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(25,710</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(25,753</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(6,020</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,298</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Fair value of net plan assets at end of year</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>354,384</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>333,509</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>88,739</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>82,846</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Funded status - under</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(91,539</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(102,798</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(2,467</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,458</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amounts recognized in the Consolidated</span></div><div style="padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance Sheets at December&#160;31:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred charges and other assets - other</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>19,114</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,131</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other accrued liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>612</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>538</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred credits and other liabilities - other</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>91,539</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>102,798</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>20,969</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>19,051</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Benefit obligation liabilities - net amount recognized</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(91,539</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(102,798</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(2,467</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,458</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amounts recognized in accumulated other comprehensive (income) loss or regulatory assets (liabilities) consist of:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Actuarial loss</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>186,486</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>198,668</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>13,423</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17,470</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Prior service credit</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(11,632</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(13,003</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>186,486</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>198,668</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,791</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,467</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Employer contributions and benefits paid in the preceding table include only those amounts contributed directly to, or paid directly from, plan assets. Accumulated other comprehensive (income) loss in the above table includes amounts related to regulated operations, which are recorded as regulatory assets (liabilities) and are expected to be reflected in rates charged to customers over time. For more information on regulatory assets (liabilities), see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Unrecognized pension actuarial losses in excess of 10&#160;percent of the greater of the projected benefit obligation or the market-related value of assets are amortized over the average life expectancy of plan participants for frozen plans. The market-related value of assets is determined using a five-year average of assets.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The pension plans all have accumulated benefit obligations in excess of plan assets. The projected benefit obligation, accumulated benefit obligation and fair value of plan assets for these plans at December&#160;31 were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:74%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Projected benefit obligation</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>445,923</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>436,307</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accumulated benefit obligation</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>445,923</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>436,307</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Fair value of plan assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>354,384</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>333,509</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Components of net periodic benefit cost (credit) for the Company's pension and other postretirement benefit plans for the years ended December&#160;31 were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="19"/></tr><tr><td style="width:40%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension Benefits</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Postretirement Benefits</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Components of net periodic benefit cost (credit):</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Service cost</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>86</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,508</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,647</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,816</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest cost</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>16,207</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17,218</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17,141</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3,265</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,688</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,607</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Expected return on assets</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(20,528</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(20,924</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(22,254</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(4,641</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(4,533</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(4,795</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amortization of prior service cost (credit)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>36</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(1,371</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,371</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,371</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Recognized net actuarial loss</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6,355</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,215</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,016</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>857</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,491</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,960</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Curtailment loss</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>258</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net periodic benefit cost (credit), including amount capitalized</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,034</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,509</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,283</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(382</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>922</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,217</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less amount capitalized</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>310</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>381</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>316</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(370</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(52</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>120</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net periodic benefit cost (credit)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,724</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,128</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,967</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(12</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>974</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,097</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other changes in plan assets and benefit obligations recognized in accumulated comprehensive (income) loss or regulatory assets (liabilities):</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net (gain) loss</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(5,827</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,789</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8,257</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(3,190</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,523</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,336</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amortization of actuarial loss</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(6,355</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,215</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(7,016</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(857</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,491</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,960</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amortization of prior service (cost) credit</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(294</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,371</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,371</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,371</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total recognized in accumulated other comprehensive (income) loss or regulatory assets (liabilities)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(12,182</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(10,004</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>947</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(2,676</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,643</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,925</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total recognized in net periodic benefit cost (credit), accumulated other comprehensive (income) loss and regulatory assets (liabilities)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(10,458</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(7,876</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,914</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(2,688</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,669</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(828</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated net loss for the defined benefit pension plans that will be amortized from accumulated other comprehensive loss and regulatory assets into net periodic benefit cost in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> is </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$7.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. The estimated net loss and prior service credit for the other postretirement benefit plans that will be amortized from accumulated other comprehensive loss and regulatory assets into net periodic benefit cost in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> are </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$800,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. Prior service cost is amortized on a straight line basis over the average remaining service period of active participants.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Weighted average assumptions used to determine benefit obligations at December&#160;31 were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"/></tr><tr><td style="width:48%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension Benefits</span></div></td><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Postretirement Benefits</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discount rate</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.38</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3.83</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.41</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3.86</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Expected return on plan assets</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Rate of compensation increase</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.00</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3.00</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Weighted average assumptions used to determine net periodic benefit cost for the years ended December&#160;31 were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"/></tr><tr><td style="width:48%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension Benefits</span></div></td><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Postretirement Benefits</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discount rate</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.83</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4.00</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.86</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4.06</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Expected return on plan assets</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Rate of compensation increase</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.00</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3.00</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The expected rate of return on pension plan assets is based on a targeted asset allocation range determined by the funded ratio of the plan. As of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the expected rate of return on pension plan assets is based on the targeted asset allocation range of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>40</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>50</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent equity securities and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>50</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>60</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent fixed-income securities and the expected rate of return from these asset categories. The expected rate of return on other postretirement plan assets is based on the targeted asset allocation range of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>20</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>25</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent equity securities and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>75</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>80</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent fixed-income securities and the expected rate of return from these asset categories. The expected return on plan assets for other postretirement benefits reflects insurance-related investment costs.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Health care rate assumptions for the Company's other postretirement benefit plans as of December&#160;31 were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:516px;border-collapse:collapse;text-align:left;"><tr><td colspan="11"/></tr><tr><td style="width:297px;"/><td style="width:44px;"/><td style="width:8px;"/><td style="width:17px;"/><td style="width:31px;"/><td style="width:8px;"/><td style="width:44px;"/><td style="width:8px;"/><td style="width:17px;"/><td style="width:29px;"/><td style="width:8px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Health care trend rate assumed for next year</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7.5</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#8211;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>8.5</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8.6</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8211;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10.7</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Health care cost trend rate - ultimate</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4.5</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4.5</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Year in which ultimate trend rate achieved</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2024</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2024</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's other postretirement benefit plans include health care and life insurance benefits for certain retirees. The plans underlying these benefits may require contributions by the retiree depending on such retiree's age and years of service at retirement or the date of retirement. The accounting for the health care plans anticipates future cost-sharing changes that are consistent with the Company's expressed intent to generally increase retiree contributions each year by the excess of the expected health care cost trend rate over </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>six</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Assumed health care cost trend rates may have a significant effect on the amounts reported for the health care plans. A one&#160;percentage point change in the assumed health care cost trend rates would have had the following effects at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:511px;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:337px;"/><td style="width:9px;"/><td style="width:75px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:75px;"/><td style="width:3px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">1&#160;Percentage</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Point Increase</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">1&#160;Percentage</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Point Decrease</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Effect on total of service and interest cost components</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>306</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(247</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Effect on postretirement benefit obligation</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,433</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(4,551</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Outside investment managers manage the Company's pension and postretirement assets. The Company's investment policy with respect to pension and other postretirement assets is to make investments solely in the interest of the participants and beneficiaries of the plans and for the exclusive purpose of providing benefits accrued and defraying the reasonable expenses of administration. The Company strives to maintain investment diversification to assist in minimizing the risk of large losses. The Company's policy guidelines allow for investment of funds in cash equivalents, fixed-income securities and equity securities. The guidelines prohibit investment in commodities and futures contracts, equity private placement, employer securities, leveraged or derivative securities, options, direct real estate investments, precious metals, venture capital and limited partnerships. The guidelines also prohibit short selling and margin transactions. The Company's practice is to periodically review and rebalance asset categories based on its targeted asset allocation percentage policy.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) in an orderly transaction between market participants at the measurement date. The ASC establishes a hierarchy for grouping assets and liabilities, based on the significance of inputs. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair values of the Company's pension plans' assets are determined using the market approach.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The carrying value of the pension plans' Level&#160;2 cash equivalents approximates fair value and is determined using observable inputs in active markets or the net asset value of shares held at year end, which is determined using other observable inputs including pricing from outside sources. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;background-color:#ffffff;color:#000000;">The estimated fair value of the pension plans' Level&#160;1 equity securities is based on the closing price reported on the active market on which the individual securities are traded.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the pension plans' Level&#160;1 and Level&#160;2 collective and mutual funds are based on the net asset value of shares held at year end, based on either published market quotations on active markets or other known sources including pricing from outside sources. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the pension plans' Level&#160;2 corporate and municipal bonds is determined using other observable inputs, including benchmark yields, reported trades, broker/dealer quotes, bids, offers, future cash flows and other reference data.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the pension plans' Level&#160;1 U.S. Government securities are valued based on quoted prices on an active market.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the pension plans' Level&#160;2 U.S. Government securities are valued mainly using other observable inputs, including benchmark yields, reported trades, broker/dealer quotes, bids, offers, to be announced prices, future cash flows and other reference data. Some of these securities are valued using pricing from outside sources.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Though the Company believes the methods used to estimate fair value are consistent with those used by other market participants, the use of other methods or assumptions could result in a different estimate of fair value. For the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, there were no transfers between Levels&#160;1 and 2.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The fair value of the Company's pension plans' assets (excluding cash) by class were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;at December&#160;31, 2017, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">in Active</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Markets for</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Identical</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Assets</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Observable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unobservable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;3)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash equivalents</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,814</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,814</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity securities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. companies</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,345</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,345</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">International companies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,766</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,766</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Collective and mutual funds*</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>171,822</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>67,749</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>239,571</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Corporate bonds</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>74,956</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>74,956</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Municipal bonds</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>16,839</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>16,839</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. Government securities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,038</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,038</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>187,971</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>163,358</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>351,329</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Collective and mutual funds invest approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>31</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of international companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>28</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>19</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>7</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in cash equivalents, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>1</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in U.S. Government securities and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>14</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in other investments.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;at December&#160;31, 2016, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">in Active</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Markets for</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Identical</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Assets</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Observable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unobservable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;3)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash equivalents</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,347</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,347</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity securities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. companies</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,348</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,348</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">International companies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,584</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,584</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Collective and mutual funds*</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>162,055</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>64,052</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>226,107</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Corporate bonds</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>68,677</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>68,677</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Municipal bonds</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,002</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,002</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. Government securities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,352</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,044</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,396</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>179,339</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>152,122</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>331,461</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Collective and mutual funds invest approximately </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>29</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of international companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>21</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>20</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>8</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in cash equivalents, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>7</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in U.S. Government securities and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>15</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in other investments.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair values of the Company's other postretirement benefit plans' assets are determined using the market approach.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the other postretirement benefit plans' Level&#160;2 cash equivalents is valued at the net asset value of shares held at year end, based on published market quotations on active markets, or using other known sources including pricing from outside sources. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the other postretirement benefit plans' Level&#160;1 equity securities is based on the closing price reported on the active market on which the individual securities are traded.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The estimated fair value of the other postretirement benefit plans' Level&#160;2 insurance contract is based on contractual cash surrender values that are determined primarily by investments in managed separate accounts of the insurer. These amounts approximate fair value. The managed separate accounts are valued based on other observable inputs or corroborated market data.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Though the Company believes the methods used to estimate fair value are consistent with those used by other market participants, the use of other methods or assumptions could result in a different estimate of fair value. For the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, there were no transfers between Levels&#160;1 and&#160;2.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The fair value of the Company's other postretirement benefit plans' assets (excluding cash) by asset class were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;at December&#160;31, 2017, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices<br/>in Active<br/>Markets for<br/>Identical<br/>Assets<br/>&#160;(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant<br/>Other<br/>Observable<br/>Inputs<br/>&#160;(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unobservable<br/> Inputs<br/>&#160;(Level&#160;3)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash equivalents</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,815</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,815</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity securities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. companies</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,316</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,316</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">International companies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Insurance contract*</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>81,601</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>81,604</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,323</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>86,416</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>88,739</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The insurance contract invests approximately </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>38</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>23</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>21</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in U.S. Government securities, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>9</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in mortgage-backed securities and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>9</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in other investments.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:10px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;at December&#160;31, 2016, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices<br/>in Active<br/>Markets for<br/>Identical<br/>Assets<br/>&#160;(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant<br/>Other<br/>Observable<br/>Inputs<br/>&#160;(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unobservable<br/> Inputs<br/>&#160;(Level&#160;3)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash equivalents</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>250</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>250</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity securities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. companies</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,328</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,328</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">International companies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Insurance contract*</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>80,263</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>80,263</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,333</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>80,513</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>82,846</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The insurance contract invests approximately </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>38</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>25</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>20</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in U.S. Government securities, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>9</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in mortgage-backed securities and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>8</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in other investments.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company expects to contribute approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$17.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to its defined benefit pension plans and approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$800,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to its postretirement benefit plans in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following benefit payments, which reflect future service, as appropriate, and expected Medicare Part&#160;D subsidies are as follows:</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:515px;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:248px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Benefits</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Postretirement Benefits</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Expected</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Medicare</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Part&#160;D&#160;Subsidy</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>25,111</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,490</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>152</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2019</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>25,280</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,525</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>147</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2020</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>25,587</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,396</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>141</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2021</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>25,866</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,391</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>132</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2022</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>26,185</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,470</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>123</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2023 - 2027</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>130,994</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>27,106</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>454</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Nonqualified benefit plans</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In addition to the qualified defined pension benefit plans reflected in the table at the beginning of this note, the Company also has unfunded, nonqualified benefit plans for executive officers and certain key management employees that generally provide for defined benefit payments at age&#160;65 following the employee's retirement or, upon death, to their beneficiaries for a 15-year period. In February 2016, the Company froze the unfunded, nonqualified defined benefit plans to new participants and eliminated benefit increases. Vesting for participants not fully vested was retained. The Company's net periodic benefit cost for these plans was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$4.7 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$1.8&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$7.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, which reflects a curtailment gain of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$3.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in the first quarter of 2016 . The total projected benefit obligation for these plans was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$102.5 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$101.8&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. The accumulated benefit obligation for these plans was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$102.5 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$101.8&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. A weighted average discount rate of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>3.20</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>3.56</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, was used to determine the benefit obligation.&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>No</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> rate of compensation increase was used to determine the benefit obligation at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, due to the plans being froze. A discount rate of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>3.56</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>3.77</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, and a rate of compensation increase of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>4.00</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent for the year ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> was used to determine net periodic benefit cost.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The amount of benefit payments for the unfunded, nonqualified benefit plans are expected to aggregate </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$7.1 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$7.3 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2019</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$7.7 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2020</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$7.7 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2021</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$7.0 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2022</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$37.0 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for the years 2023 through 2027.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In 2012, the Company established a nonqualified defined contribution plan for certain key management employees. Expenses incurred under this plan for </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$736,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$395,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$207,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company had investments of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$122.9&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$111.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, consisting of equity securities of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$68.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$62.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, life insurance carried on plan participants (payable upon the employee's death) of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$36.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$35.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively, and other investments of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$18.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$13.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. The Company anticipates using these investments to satisfy obligations under these plans.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Defined contribution plans</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company sponsors various defined contribution plans for eligible employees and the costs incurred under these plans were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$41.2&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$40.9&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$36.8&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Multiemployer plans</span></div><div style="line-height:140%;padding-bottom:12px;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company contributes to a number of multiemployer defined benefit pension plans under the terms of collective-bargaining agreements that cover its union-represented employees. The risks of participating in these multiemployer plans are different from single-employer plans in the following aspects:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:4px;padding-bottom:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Assets contributed to the MEPP by one employer may be used to provide benefits to employees of other participating employers</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">If a participating employer stops contributing to the plan, the unfunded obligations of the plan may be borne by the remaining participating employers</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:4px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">If the Company chooses to stop participating in some of its MEPPs, the Company may be required to pay those plans an amount based on the underfunded status of the plan, referred to as a withdrawal liability</span></div></td></tr></table><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's participation in these plans is outlined in the following table. Unless otherwise noted, the most recent Pension Protection Act zone status available in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> is for the plan's year-end at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. The zone status is based on information that the Company received from the plan and is certified by the plan's actuary. Among other factors, plans in the red zone are generally less than </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>65</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent funded, plans in the yellow zone are between </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>65</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>80</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent funded, and plans in the green zone are at least </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>80</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent funded.</span></div><div style="line-height:140%;padding-top:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.23371647509579%;border-collapse:collapse;text-align:left;"><tr><td colspan="18"/></tr><tr><td style="width:13%;"/><td style="width:13%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:6%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:6%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:6%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:13%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">EIN/Pension Plan&#160;Number</span></div></td><td colspan="4" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension Protection&#160;Act Zone&#160;Status</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">FIP/RP Status Pending/Implemented</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Contributions</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Surcharge Imposed</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Expiration Date</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">of&#160;Collective</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Bargaining</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Agreement</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension&#160;Fund</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Alaska Laborers-Employers Retirement Fund</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">91-6028298-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Yellow as of 6/30/2017</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Yellow as of 6/30/2016</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>Implemented</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>690</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>766</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>917</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>12/31/2018</span></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Edison Pension Plan</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">93-6061681-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>12,725</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>6,242</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>5,517</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>6/30/2019</span></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">IBEW Local No. 82 Pension Plan</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">31-6127268-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 6/30/2017</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 6/30/2016</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>1,757</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>2,560</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>2,252</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>12/1/2019</span></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">IBEW Local 212 Pension Trust Fund</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">31-6127280-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 4/30/2016</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Yellow as of 4/30/2015</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>1,312</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>1,146</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>937</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>6/2/2019</span></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">IBEW Local No. 357 Pension Plan A</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">88-6023284-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>3,286</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>3,016</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>1,896</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>5/31/2018</span></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">IBEW Local 648 Pension Plan</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">31-6134845-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red as of 2/28/2017</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red as of 2/29/2016</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>Implemented</span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>2,254</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>773</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>745</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>9/2/2018</span></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Idaho Plumbers and Pipefitters Pension Plan</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">82-6010346-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 5/31/2017</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 5/31/2016</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>1,156</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>1,221</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>1,169</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>9/30/2019</span></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Minnesota Teamsters Construction Division Pension Fund</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">41-6187751-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 11/30/2016</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 11/30/2015</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>826</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>690</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>737</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>4/30/2019</span></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">National Automatic Sprinkler Industry Pension Fund</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">52-6054620-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>Implemented</span></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>718</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>775</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>677</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">7/31/2018-<br/>3/31/2021</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">National Electrical Benefit Fund</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">53-0181657-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>8,891</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>6,366</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>5,271</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">10/31/2017-<br/>3/31/2021</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Sheet Metal Workers' Pension Plan of Southern CA, AZ and NV</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">95-6052257-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Yellow</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>Implemented</span></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>1,016</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>1,087</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>714</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>6/30/2018</span></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Southwest Marine Pension Trust</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">95-6123404-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>Implemented</span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>48</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>50</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>26</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>1/31/2019</span></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other funds</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>22,066</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>19,835</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>18,254</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Total contributions</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>56,745</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>44,527</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>39,112</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company was listed in the plans' Forms&#160;5500 as providing more than 5&#160;percent of the total contributions for the following plans and plan years:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:695px;border-collapse:collapse;text-align:left;"><tr><td colspan="2"/></tr><tr><td style="width:416px;"/><td style="width:278px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">Pension Fund</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">Year Contributions to Plan Exceeded More Than 5 Percent</span></div><div style="text-align:right;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">of Total Contributions (as of December&#160;31 of the Plan's Year-End)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Edison Pension Plan</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">IBEW Local 82 Pension Plan</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">IBEW Local 124 Pension Trust Fund</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">IBEW Local 212 Pension Trust Fund</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">IBEW Local 357 Pension Plan A</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">IBEW Local 648 Pension Plan</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Idaho Plumbers and Pipefitters Pension Plan</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">International Union of Operating Engineers Local 701 Pension Trust Fund</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Minnesota Teamsters Construction Division Pension Fund</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pension and Retirement Plan of Plumbers and Pipefitters Local 525</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:10px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On September&#160;24, 2014, Knife River provided notice to the Operating Engineers Local 800 &amp; WY Contractors Association, Inc. Pension Plan for Wyoming that it was withdrawing from the plan effective October&#160;26, 2014. In the fourth quarter of 2016, Knife River and the plan entered into a settlement agreement whereby the plan administrator assessed Knife River&#8217;s final withdrawal liability with quarterly payments of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$42,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> until all benefits are satisfied. Knife River discounted the expected future payments. Based on this calculation, Knife River adjusted its liability accrual from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$16.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$5.2&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in the fourth quarter of 2016.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company also contributes to a number of multiemployer other postretirement plans under the terms of collective-bargaining agreements that cover its union-represented employees. These plans provide benefits such as health insurance, disability insurance and life insurance to retired union employees. Many of the multiemployer other postretirement plans are combined with active multiemployer health and welfare plans. The Company's total contributions to its multiemployer other postretirement plans, which also includes contributions to active </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">multiemployer health and welfare plans, were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$51.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$36.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$31.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Amounts contributed in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to defined contribution multiemployer plans were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$32.2&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$23.8&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$19.5&#160;million</span></span>, respectively.<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for pension and other postretirement benefits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -URI http://asc.fasb.org/topic&amp;trid=2235017<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6855535184">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Jointly owned facilities<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatedOperationsAbstract', window );"><strong>Regulated Operations [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PublicUtilitiesJointlyOwnedFacilitiesDisclosureTextBlock', window );">Jointly owned facilities</a></td>
<td class="text">Jointly Owned Facilities<div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The consolidated financial statements include the Company's ownership interests in the assets, liabilities and expenses of the Big Stone Station, Coyote Station and Wygen&#160;III. Each owner of the stations is responsible for financing its investment in the jointly owned facilities.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's share of the stations operating expenses was reflected in the appropriate categories of operating expenses (fuel, operation and maintenance and taxes, other than income) in the Consolidated Statements of Income.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">At December&#160;31, the Company's share of the cost of utility plant in service and related accumulated depreciation for the stations was as follows:</span></div><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:66%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Big Stone Station:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Utility plant in service</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>158,084</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>157,144</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>51,740</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>49,568</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>106,344</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>107,576</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Coyote Station:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Utility plant in service</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>155,287</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>156,334</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>103,897</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>105,928</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>51,390</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>50,406</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Wygen III:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Utility plant in service</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>65,065</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>66,251</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7,652</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,550</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>57,413</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>58,701</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Public utilities jointly owned facilities disclosure.</p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6851216416">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Regulatory matters<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatedOperationsAbstract', window );"><strong>Regulated Operations [Abstract]</strong></a></td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesDisclosureTextBlock', window );">Regulatory matters</a></td>
<td class="text">Regulatory Matters <div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company regularly reviews the need for electric and natural gas rate changes in each of the jurisdictions in which service is provided. The Company files for rate adjustments to seek recovery of operating costs and capital investments, as well as reasonable returns as allowed by regulators. The Company's most recent cases by jurisdiction are discussed in the following paragraphs. The jurisdictions in which the Company provides service have requested the Company furnish plans for the effect of the reduced corporate tax rate due to the enactment of the TCJA which may impact the Company's rates. The following paragraphs include additional details on each jurisdiction's request.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">IPUC</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On August&#160;12, 2016, Intermountain filed an application with the IPUC for a natural gas rate increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$10.2&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> annually or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>4.1</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent above current rates. The request includes rate recovery associated with increased investment in facilities and increased operating expenses. On January&#160;17, 2017, Intermountain provided the IPUC with an updated revenue request of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$9.4 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. On April&#160;28, 2017, the IPUC issued an order approving an increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$4.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>1.6</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent above current rates based on a </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>9.5</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent return on equity effective with service rendered on and after May&#160;1, 2017. On May&#160;18, 2017, Intermountain filed a petition for reconsideration with the IPUC requesting the reconsideration of certain items denied in the order dated April&#160;28, 2017. On June&#160;15, 2017, the IPUC granted the request for reconsideration. On August&#160;17, 2017, Intermountain, the IPUC staff and the interveners of the case filed a stipulation and settlement resolving all issues. The stipulation and settlement reflected an increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.2&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> or </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>1.36</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent more in annual revenue than the amounts approved on April&#160;28, 2017, as well as changes in billing determinants. The total annual increase in revenue of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$6.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> was approved by the IPUC on September&#160;14, 2017, with rates effective October&#160;1, 2017.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On January&#160;17, 2018, the IPUC issued a general order initiating the investigation of the impacts of the TCJA. The order required the tax rate reduction to be deferred as a regulatory liability and for companies to report on the expected impacts of the TCJA by March&#160;30, 2018.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">MNPUC</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December&#160;21, 2016, Great Plains filed an application with the MNPUC requesting authority to implement a gas utility infrastructure cost tariff of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$456,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> annually. The tariff will allow Great Plains to recover infrastructure investments, not previously included in rates, mandated by federal or state agencies associated with Great Plains' pipeline integrity programs. On October&#160;6, 2017, the MNPUC approved the implementation of the natural gas utility infrastructure cost tariff to collect an annual increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$456,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Great Plains submitted a compliance filing on October&#160;10, 2017, and the rates were implemented for service rendered on and after November&#160;1, 2017. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December&#160;29, 2017, the MNPUC issued a notice of investigation related to tax changes with the enactment of the TCJA. On January&#160;19, 2018, the MNPUC issued a notice of request for information, commission planning meeting and subsequent comment period. Great Plains was to provide preliminary impacts of the TCJA by January&#160;30, 2018. A commission planning meeting was held on February&#160;6, 2018, to discuss the impacts of the TCJA. Initial filings addressing the impacts of the TCJA are to be submitted by March&#160;2, 2018.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">MTPSC</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On September&#160;25, 2017, Montana-Dakota filed an application with the MTPSC for a natural gas rate increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$2.8&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> annually or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>4.1</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent above current rates. The requested increase is primarily to recover the increased investment in distribution facilities to enhance system safety and reliability and the depreciation and taxes associated with the increase in investment. Montana-Dakota is also introducing an SSIP and the proposed adjustment mechanism required to fund the SSIP. Montana-Dakota requested an interim increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.6&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>2.3</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent, subject to refund. On December&#160;27, 2017, the MTPSC requested Montana-Dakota identify a plan for the impacts of the TCJA for the natural gas segment within the natural gas rate case. On January&#160;12, 2018, Montana-Dakota filed a revised interim increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$764,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, subject to refund, incorporating the estimated impacts of the TCJA reduction in the federal corporate income tax rate. A hearing is scheduled for April&#160;26, 2018. This matter is pending before the MTPSC. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December&#160;27, 2017, the MTPSC requested Montana-Dakota identify a plan for the impacts of the TCJA and to file a proposal for the impacts on the electric segment by March&#160;31, 2018.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">NDPSC</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On June&#160;30, 2017, Montana-Dakota filed an application for advance determination of prudence and a certificate of public convenience and necessity with the NDPSC to purchase an expansion of the Thunder Spirit Wind farm. The advance determination of prudence would provide Montana-Dakota with assurance that the project is prudent and in the best interest of the public and assists in the recovery of Montana-Dakota's investment upon completion of the project. The expansion is expected to serve customers by the end of 2018 and is estimated to cost approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$85&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. On November&#160;16, 2017, the NDPSC granted Montana-Dakota's request for an advance determination of prudence and certificate of public convenience and necessity to acquire and operate the Thunder Spirit Wind farm expansion. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On July&#160;21, 2017, Montana-Dakota filed an application with the NDPSC for a natural gas rate increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$5.9&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> annually or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>5.4</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent above current rates. The requested increase is primarily to recover the increased investment in distribution facilities to enhance system safety and reliability and the depreciation and taxes associated with the increase in investment. Montana-Dakota is also introducing an SSIP and the proposed adjustment mechanism required to fund the SSIP. Montana-Dakota requested an interim increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$4.6&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>4.2</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent, subject to refund. On September&#160;6, 2017, the NDPSC approved the request for interim rates effective with service rendered on or after September&#160;19, 2017. On January&#160;12, 2018, Montana-Dakota requested a delay of the rate case as a result of the enactment of the TCJA to allow the Company time to investigate the implications of the TCJA on the rate case. On February 14, 2018, the NDPSC approved the delay of hearing and scheduled it to begin on May 30, 2018. Also on February&#160;14, 2018, Montana-Dakota filed a revised interim increase request of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$2.7 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, subject to refund, incorporating the estimated impacts of the TCJA reduction in the federal corporate income tax rate.This matter is pending before the NDPSC.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On January&#160;10, 2018, the NDPSC issued a general order initiating the investigation into the effects of the TCJA. The order required regulatory deferral accounting on the impacts of the TCJA and for companies to file comments and the expected impacts. On February&#160;15, 2018, Montana-Dakota filed a summary of the primary impacts of the TCJA on the electric and natural gas utilities.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">OPUC</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On September&#160;29, 2017, Cascade filed an application with the OPUC for an annual pipeline replacement safety cost recovery mechanism of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$784,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>1.2 percent</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of additional revenue. The requested increase includes incremental pipeline replacement investments associated with qualifying pipeline integrity projects. This matter is pending before the OPUC.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December&#160;29, 2017, Cascade filed a request with the OPUC to use deferral accounting for the 2018 net benefits associated with the implementation of the TCJA. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">SDPUC</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December 29, 2017, the SDPUC issued an order initiating the investigation into the effects of the TCJA. The order required Montana-Dakota to provide comments by February&#160;1, 2018, regarding the general effects of the TCJA on the cost of service in South Dakota and possible mechanisms for adjusting rates. The order also stated that all rates impacted by the federal income tax shall be adjusted effective January&#160;1, 2018, subject to refund.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">WUTC</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On May 31, 2017, Cascade filed an application with the WUTC for an annual pipeline replacement cost recovery mechanism of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.6&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>.75 percent</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of additional revenue. The requested increase includes incremental pipeline replacement investments associated with qualifying pipeline integrity projects. On October&#160;12, 2017, Cascade filed a required update revising the request to approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>.61</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent of additional revenue and on October&#160;26, 2017, the WUTC approved the order with rates effective November&#160;1, 2017.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On August&#160;31, 2017, Cascade filed an application with the WUTC for a natural gas rate increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$5.9&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> annually or approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>2.7</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent above current rates. The requested increase includes costs associated with increased infrastructure investment and the associated operating expenses. Also included in the request is recovery of operation and maintenance costs associated with a maximum allowable operating pressure validation plan. On January&#160;3, 2018, the WUTC filed a bench request requiring Cascade to provide information related to the impacts of the TCJA on Cascade's revenue requirement and a proposed ratemaking treatment of those impacts. On January&#160;12, 2018, Cascade filed a response to the bench request reducing the revenue requirement to approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> annually, which includes the estimated impacts of the TCJA. This matter is pending before the WUTC. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">WYPSC</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December&#160;29, 2017, the WYPSC issued a general order requiring regulatory deferral accounting on the impacts of the TCJA. A technical conference was held on February&#160;6, 2018, to discuss the implications of the TCJA.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;">FERC</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On September&#160;1, 2017, Montana-Dakota submitted an update to its transmission formula rate under the MISO tariff, which reflects an incremental increase of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$2.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to include a revenue requirement for the Company's multivalue project, for a total of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$13.6&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, which was effective January 1, 2018.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Montana-Dakota and certain MISO Transmission Owners with projected rates submitted a filing to the FERC on February&#160;1, 2018, requesting the FERC to waive certain provisions of the MISO tariff in order for Montana-Dakota and certain MISO Transmission Owners with projected rates to revise their rates to reflect the reduction in the corporate tax rate. Under the MISO tariff, rates are to be changed only on an annual basis with any changes reflected in subsequent true-ups. If the waiver is granted, MISO expects to implement new rates reflecting the reduction in the tax rate beginning with services rendered on March&#160;1, 2018, and will re-bill January and February 2018 services to reflect the new rates.</span></div>On February&#160;7, 2018, WBI Energy Transmission announced it will hold an initial rate change pre-filing settlement meeting with customers on April&#160;10, 2018. In accordance with WBI Energy Transmission&#8217;s offer of settlement and stipulation and agreement with the FERC dated June&#160;4, 2014, the Company is to make a filing with new proposed rates to be effective no later than May&#160;1, 2019. Assuming a five-month suspension period, WBI Energy Transmission would expect to file by October&#160;31, 2018.<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for public utilities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -URI http://asc.fasb.org/topic&amp;trid=2156578<br></p></div>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitments and contingencies<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock', window );">Commitments and contingencies</a></td>
<td class="text">Commitments and Contingencies<div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company is party to claims and lawsuits arising out of its business and that of its consolidated subsidiaries, which may include, but are not limited to, matters involving property damage, personal injury, and environmental, contractual, statutory and regulatory obligations. The Company accrues a liability for those contingencies when the incurrence of a loss is probable and the amount can be reasonably estimated. If a range of amounts can be reasonably estimated and no amount within the range is a better estimate than any other amount, then the minimum of the range is accrued. The Company does not accrue liabilities when the likelihood that the liability has been incurred is probable but the amount cannot be reasonably estimated or when the liability is believed to be only reasonably possible or remote. For contingencies where an unfavorable outcome is probable or reasonably possible and which are material, the Company discloses the nature of the contingency and, in some circumstances, an estimate of the possible loss. Accruals are based on the best information available, but in certain situations management is unable to estimate an amount or range of a reasonably possible loss including, but not limited to when: (1) the damages are unsubstantiated or indeterminate, (2) the proceedings are in the early stages, (3) numerous parties are involved, or (4) </span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">the matter involves novel or unsettled legal theories. The Company accrued liabilities of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$35.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$31.8&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, which have not been discounted, including liabilities held for sale, for contingencies, including litigation, production taxes, royalty claims and environmental matters at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively. This includes amounts that may have been accrued for matters discussed in Litigation and Environmental matters within this note. The Company will continue to monitor each matter and adjust accruals as might be warranted based on new information and further developments. Management believes that the outcomes with respect to probable and reasonably possible losses in excess of the amounts accrued, net of insurance recoveries, while uncertain, either cannot be estimated or will not have a material effect upon the Company's financial position, results of operations or cash flows. Unless otherwise required by GAAP, legal costs are expensed as they are incurred.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Litigation</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Construction Services</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;Capital Electric provided employees in 2012 to perform work for a contractor on a project in Kansas. One of the Capital Electric employees was injured while working on the project and brought a lawsuit against the contractor. Judgment was entered in favor of the employee and his spouse on November&#160;3, 2016, in the amount of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$44.8&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> following a court determination that the employee&#8217;s injuries were caused by the contractor&#8217;s negligence. The contractor claims that Capital Electric was contractually required, but failed, to name the contractor as an additional insured under any liability policy in effect at the time of the project and that such failure resulted in the entry of judgment against the contractor. In March 2017, Capital Electric filed a petition for declaratory judgment in the District Court of Wyandotte County, Kansas for a judicial determination that any agreement between Capital Electric and the contractor for the project did not require Capital Electric to include the contractor as an additional insured under any liability policy issued to Capital Electric and that if such an agreement was found to exist, it would be void and unenforceable under Kansas law. Subsequent to December&#160;31, 2017, the matter has been settled with Capital Electric being released from all claims of liability and the declaratory judgment action being dismissed.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Environmental matters</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Portland Harbor Site </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In December 2000, Knife River&#160;- Northwest was named by the EPA as a PRP in connection with the cleanup of a riverbed site adjacent to a commercial property site acquired by Knife River&#160;- Northwest from Georgia-Pacific West, Inc. in 1999. The riverbed site is part of the Portland, Oregon, Harbor Superfund Site. The EPA wants responsible parties to share in the cleanup of sediment contamination in the Willamette River. To date, costs of the overall remedial investigation and feasibility study of the harbor site are being recorded, and initially paid, through an administrative consent order by the LWG, a group of several entities, which does not include Knife River&#160;- Northwest or Georgia-Pacific West, Inc. Investigative costs are indicated to be in excess of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$100&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. On January&#160;6, 2017, Region&#160;10 of the EPA issued an ROD with its selected remedy for cleanup of the in-river portion of the site. Implementation of the remedy is expected to take up to 13&#160;years with a present value cost estimate of approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1&#160;billion</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Corrective action will not be taken until remedial design/remedial action plans are approved by the EPA. Knife River&#160;- Northwest also received notice in January 2008 that the Portland Harbor Natural Resource Trustee Council intends to perform an injury assessment to natural resources resulting from the release of hazardous substances at the Harbor Superfund Site. The Portland Harbor Natural Resource Trustee Council indicates the injury determination is appropriate to facilitate early settlement of damages and restoration for natural resource injuries. It is not possible to estimate the costs of natural resource damages until an assessment is completed and allocations are undertaken.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Based upon a review of the Portland Harbor sediment contamination evaluation by the Oregon DEQ and other information available, Knife River&#160;- Northwest does not believe it is a responsible party. In addition, Knife River&#160;- Northwest has notified Georgia-Pacific West, Inc., that it intends to seek indemnity for liabilities incurred in relation to the above matters pursuant to the terms of their sale agreement. Knife River&#160;- Northwest has entered into an agreement tolling the statute of limitations in connection with the LWG's potential claim for contribution to the costs of the remedial investigation and feasibility study. By letter in March 2009, LWG stated its intent to file suit against Knife River&#160;- Northwest and others to recover LWG's investigation costs to the extent Knife River&#160;- Northwest cannot demonstrate its non-liability for the contamination or is unwilling to participate in an alternative dispute resolution process that has been established to address the matter. At this time, Knife River&#160;- Northwest has agreed to participate in the alternative dispute resolution process.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company believes it is not probable that it will incur any material environmental remediation costs or damages in relation to the above referenced matter.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Manufactured Gas Plant Sites </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">There are three claims against Cascade for cleanup of environmental contamination at manufactured gas plant sites operated by Cascade's predecessors.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The first claim is for contamination at a site in Eugene, Oregon which was received in 1995. There are PRPs in addition to Cascade that may be liable for cleanup of the contamination. Some of these PRPs have shared in the investigation costs. It is expected that these and other PRPs will share in the cleanup costs. The Oregon DEQ released an ROD in January 2015 that selected a remediation alternative for the site as recommended in an earlier staff report. The total estimated cost for the selected remediation, including long-term maintenance, is approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$3.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of which </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$400,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> has been incurred. It is not known at this time what share of the cleanup costs will </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">actually be borne by Cascade; however, Cascade has paid </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>50</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent of the ongoing investigation and design costs and anticipates its proportional share of the final costs could be approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>50</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;percent. Cascade has an accrual balance of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.6&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for remediation of this site. In January&#160;2013, the OPUC approved Cascade's application to defer environmental remediation costs at the Eugene site for a period of 12&#160;months starting November&#160;30, 2012. Cascade received orders reauthorizing the deferred accounting for the 12-month periods starting November&#160;30, 2013, December&#160;1, 2014, December&#160;1, 2015, December 1, 2016 and December 1, 2017.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The second claim is for contamination at the Bremerton Gasworks Superfund Site in Bremerton, Washington which was received in 1997. A preliminary investigation has found soil and groundwater at the site contain contaminants requiring further investigation and cleanup. The EPA conducted a Targeted Brownfields Assessment of the site and released a report summarizing the results of that assessment in August 2009. The assessment confirms that contaminants have affected soil and groundwater at the site, as well as sediments in the adjacent Port Washington Narrows. Alternative remediation options have been identified with preliminary cost estimates ranging from </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$340,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$6.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Data developed through the assessment and previous investigations indicates the contamination likely derived from multiple, different sources and multiple current and former owners of properties and businesses in the vicinity of the site may be responsible for the contamination. In April 2010, the Washington DOE issued notice it considered Cascade a PRP for hazardous substances at the site. In May 2012, the EPA added the site to the National Priorities List of Superfund sites. Cascade has entered into an administrative settlement agreement and consent order with the EPA regarding the scope and schedule for a remedial investigation and feasibility study for the site. Current estimates for the cost to complete the remedial investigation and feasibility study are approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$7.6&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of which </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$1.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> has been incurred. Cascade has accrued </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$5.9&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for the remedial investigation and feasibility study as well as </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$6.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for remediation of this site; however, the accrual for remediation costs will be reviewed and adjusted, if necessary, after completion of the remedial investigation and feasibility study. In April 2010, Cascade filed a petition with the WUTC for authority to defer the costs, which are included in other noncurrent assets, incurred in relation to the environmental remediation of this site. The WUTC approved the petition in September 2010, subject to conditions set forth in the order.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The third claim is for contamination at a site in Bellingham, Washington. Cascade received notice from a party in May 2008 that Cascade may be a PRP, along with other parties, for contamination from a manufactured gas plant owned by Cascade and its predecessor from about 1946 to 1962. The notice indicates that current estimates to complete investigation and cleanup of the site exceed </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$8.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Other PRPs have reached an agreed order and work plan with the Washington DOE for completion of a remedial investigation and feasibility study for the site. A report documenting the initial phase of the remedial investigation was completed in June 2011. There is currently not enough information available to estimate the potential liability to Cascade associated with this claim although Cascade believes its proportional share of any liability will be relatively small in comparison to other PRPs. The plant manufactured gas from coal between approximately 1890 and 1946. In 1946, shortly after Cascade's predecessor acquired the plant, it converted the plant to a propane-air gas facility. There are no documented wastes or by-products resulting from the mixing or distribution of propane-air gas. Cascade has not recorded an accrual for this site.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Cascade has received notices from and entered into agreement with certain of its insurance carriers that they will participate in defense of Cascade for these contamination claims subject to full and complete reservations of rights and defenses to insurance coverage. To the extent these claims are not covered by insurance, Cascade intends to seek recovery through the OPUC and WUTC of remediation costs in its natural gas rates charged to customers. The accruals related to these matters are reflected in regulatory assets. For more information, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Operating leases</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company leases certain equipment, facilities and land under operating lease agreements. The amounts of annual minimum lease payments due under these leases as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were:</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="19"/></tr><tr><td style="width:28%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2019</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2020</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2021</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2022</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Thereafter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating leases</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>55,511</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>45,307</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>33,168</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>18,562</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,047</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>40,833</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Rent expense was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$73.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$65.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$53.9&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Purchase commitments </span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company has entered into various commitments, largely construction, natural gas and coal supply, purchased power, natural gas transportation and storage, and service, shipping and construction materials supply contracts, some of which are subject to variability in volume and price. The commitment terms vary in length, up to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>43</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;years. The commitments under these contracts as of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were: </span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="19"/></tr><tr><td style="width:28%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2019</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2020</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2021</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2022</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Thereafter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Purchase commitments</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>360,751</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>215,005</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>162,424</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>135,334</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>99,068</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>773,820</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">These commitments were not reflected in the Company's consolidated financial statements. Amounts purchased under various commitments for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$516.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$539.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">&#160;and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$842.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, respectively.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Guarantees</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In June 2016, WBI Energy sold all of the outstanding membership interests in Dakota Prairie Refining. In connection with the sale, Centennial agreed to continue to guarantee certain debt obligations of Dakota Prairie Refining which totaled </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$56.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, and are expected to mature in 2023. Tesoro agreed to indemnify Centennial for any losses and litigation expenses arising from the guarantee. The estimated fair values of the indemnity asset and guarantee liability are reflected in deferred charges and other assets - other and deferred credits and other liabilities - other, respectively, on the Consolidated Balance Sheets. Continuation of the guarantee was required as a condition to the sale of Dakota Prairie Refining.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In March 2016, a sale agreement was signed to sell Fidelity's assets in the Paradox Basin. In connection with the sale, Centennial agreed to guarantee Fidelity's indemnity obligations associated with the Paradox Basin assets. The guarantee was required by the buyer as a condition to the sale of the Paradox Basin assets.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In 2009, multiple sale agreements were signed to sell the Company's ownership interests in the Brazilian Transmission Lines. In connection with the sale, Centennial has agreed to guarantee payment of any indemnity obligations of certain of the Company's indirect wholly owned subsidiaries who are the sellers in three purchase and sale agreements for periods ranging up to 10&#160;years from the date of sale. The guarantees were required by the buyers as a condition to the sale of the Brazilian Transmission Lines.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Certain subsidiaries of the Company have outstanding guarantees to third parties that guarantee the performance of other subsidiaries of the Company. These guarantees are related to construction contracts, insurance deductibles and loss limits, and certain other guarantees. At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the fixed maximum amounts guaranteed under these agreements aggregated </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$108.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. The amounts of scheduled expiration of the maximum amounts guaranteed under these agreements aggregate </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$6.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$25.9&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2019</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$68.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2020</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$500,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2021</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$500,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2022</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">; </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$2.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> thereafter; and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$4.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, which has no scheduled maturity date. There were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>no</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> amounts outstanding under the above guarantees at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. In the event of default under these guarantee obligations, the subsidiary issuing the guarantee for that particular obligation would be required to make payments under its guarantee. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Certain subsidiaries have outstanding letters of credit to third parties related to insurance policies and other agreements, some of which are guaranteed by other subsidiaries of the Company. At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the fixed maximum amounts guaranteed under these letters of credit aggregated </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$34.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, all of which expire in 2018. There were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>no</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> amounts outstanding under the above letters of credit at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. In the event of default under these letter of credit obligations, the subsidiary issuing the letter of credit for that particular obligation would be required to make payments under its letter of credit.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In addition, Centennial, Knife River and MDU Construction Services have issued guarantees to third parties related to the routine purchase of maintenance items, materials and lease obligations for which no fixed maximum amounts have been specified. These guarantees have no scheduled maturity date. In the event a subsidiary of the Company defaults under these obligations, Centennial, Knife River and MDU Construction Services would be required to make payments under these guarantees. Any amounts outstanding by subsidiaries of the Company for these guarantees were reflected on the Consolidated Balance Sheet at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In the normal course of business, Centennial has surety bonds related to construction contracts and reclamation obligations of its subsidiaries. In the event a subsidiary of Centennial does not fulfill a bonded obligation, Centennial would be responsible to the surety bond company for completion of the bonded contract or obligation. A large portion of the surety bonds is expected to expire within the next 12&#160;months; however, Centennial will likely continue to enter into surety bonds for its subsidiaries in the future. As of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$616.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of surety bonds were outstanding, which were not reflected on the Consolidated Balance Sheet.</span></div><div style="line-height:140%;padding-top:14px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Variable interest entities</span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company evaluates its arrangements and contracts with other entities to determine if they are VIEs and if so, if the Company is the primary beneficiary. For more information, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">1</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Fuel Contract</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Coyote Station entered into a coal supply agreement with Coyote Creek that provides for the purchase of coal necessary to supply the coal requirements of the Coyote Station for the period May 2016 through December 2040. Coal purchased under the coal supply agreement is reflected in inventories on the Company's Consolidated Balance Sheets and is recovered from customers as a component of electric fuel and purchased power.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The coal supply agreement creates a variable interest in Coyote Creek due to the transfer of all operating and economic risk to the Coyote Station owners, as the agreement is structured so that the price of the coal will cover all costs of operations as well as future reclamation costs. The Coyote Station owners are also providing a guarantee of the value of the assets of Coyote Creek as they would be required to buy the assets at book value should they terminate the contract prior to the end of the contract term and are providing a guarantee of the value of the equity of Coyote Creek in that they are required to buy the entity at the end of the contract term at equity value. Although the Company has determined that Coyote Creek is a VIE, the Company has concluded that it is not the primary beneficiary of Coyote Creek because the authority to direct the activities of the entity is shared by the four unrelated owners of the Coyote Station, with no primary beneficiary existing. As a result, Coyote Creek is not required to be consolidated in the Company's financial statements.</span></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company's exposure to loss as a result of the Company's involvement with the VIE, based on the Company's ownership percentage was </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$40.8&#160;million</span></span>.<span></span>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6861556368">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Quarterly data<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_QuarterlyFinancialInformationTextBlock', window );">Supplementary financial Information-quarterly data (Unaudited)</a></td>
<td class="text">Supplementary Financial Information<div style="line-height:120%;padding-top:0px;font-size:10.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:10.5pt;color:#000000;font-weight:bold;">Quarterly Data (Unaudited)</span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The following unaudited information shows selected items by quarter for the years </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">: </span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">First</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quarter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Second</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quarter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Third</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quarter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fourth</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quarter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands, except per share amounts)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;text-decoration:underline;">2017</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>937,925</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,067,639</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,272,548</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,165,239</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>870,813</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>987,960</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,116,171</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,039,695</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>67,112</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>79,679</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>156,377</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>125,544</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income from continuing operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>35,638</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>44,405</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>89,549</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>115,394</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income (loss) from discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,687</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(3,190</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(2,198</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(82</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net income attributable to the Company</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>37,325</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>41,215</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>87,351</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>115,312</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings per common share - basic:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings before discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.18</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.22</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.46</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.59</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.01</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(.01</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(.01</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings per common share - basic</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.19</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.21</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.45</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.59</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings per common share - diluted:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings before discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.18</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.22</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.46</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.59</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.01</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(.01</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(.01</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings per common share - diluted</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.19</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.21</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.45</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.59</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average common shares outstanding:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Basic</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Diluted</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>196,023</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,973</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,783</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,617</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;text-decoration:underline;">2016</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>860,214</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,043,948</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,208,567</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,016,099</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>798,229</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>954,983</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,061,883</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>904,613</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>61,985</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>88,965</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>146,684</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>111,486</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income from continuing operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>31,865</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>46,298</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>88,386</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>66,547</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,996</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(155,451</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(5,400</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(816</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net income (loss) attributable to the Company</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24,869</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(109,153</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>82,986</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>65,731</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - basic:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings before discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.16</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.24</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.45</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.34</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.03</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.80</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.03</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - basic</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.13</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.56</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.42</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.34</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - diluted:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings before discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.16</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.24</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.45</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.33</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.03</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.80</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.03</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - diluted</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.13</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.56</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.42</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.33</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average common shares outstanding:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Basic</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,284</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Diluted</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,284</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,699</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,811</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,889</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> Notes:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:12px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Fourth quarter 2016 reflects a reduction to a previously recorded MEPP withdrawal liability of </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>$11.1 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> (before tax). For more information, see Note&#160;</span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:12px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">First quarter 2016 has been recast to present the results of operations of Dakota Prairie Refining as discontinued operations, other than certain general and administrative costs and interest expense which were previously allocated to the former refining segment and do not meet the criteria for income (loss) from discontinued operations.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:12px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Fourth quarter 2017 reflects an income tax benefit of </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>$39.5 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> related to the TCJA. For more information, see Note </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;text-transform:default;">11</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div>Certain Company operations are highly seasonal and revenues from and certain expenses for such operations may fluctuate significantly among quarterly periods. Accordingly, quarterly financial information may not be indicative of results for a full year.<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 270<br> -URI http://asc.fasb.org/topic&amp;trid=2126967<br></p></div>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Exploration and production activities (Unaudited) (Notes)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OilAndGasExplorationAndProductionIndustriesDisclosuresAbstract', window );"><strong>Oil and Gas Exploration and Production Industries Disclosures [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OilAndGasExplorationAndProductionIndustriesDisclosuresTextBlock', window );">Exploration and production activities</a></td>
<td class="text">Exploration and Production Activities (Unaudited)<div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In the second quarter of 2015, the Company began the marketing and sale process of Fidelity with an anticipated sale to occur within one year. </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Between September 2015 and March 2016, the Company entered into purchase and sale agreements to sell substantially all of </span></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Fidelity's oil and natural gas assets. The completion of these sales occurred between October 2015 and April 2016.</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Prior to the asset sales, Fidelity was significantly involved in the development and production of oil and natural gas resources. Upon the completion of the asset sales, the Company had no remaining proved oil, NGL or natural gas reserves. At the time the Company committed to a plan to sell Fidelity, the Company stopped the use of the full-cost method of accounting for its oil and natural gas production activities. The assets and liabilities were classified as held for sale and the results of operations included in income (loss) from discontinued operations, other than certain general and administrative costs and interest expense which do not meet the criteria for income (loss) from discontinued operations. For more information, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span>.<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for oil and gas producing industries.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 932<br> -URI http://asc.fasb.org/topic&amp;trid=2145477<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6851227360">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Schedule I-Condensed Financial Information of Registrant<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock', window );">Schedule I-Condensed Financial Information of Registrant</a></td>
<td class="text">Condensed Financial Information of Registrant (Unconsolidated)<div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Condensed Statements of Income and Comprehensive Income</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:88.12260536398468%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:55%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December&#160;31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>623,693</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>561,266</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>556,112</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>516,524</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>469,062</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>478,198</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>107,169</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>92,204</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>77,914</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other income</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,331</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,491</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8,318</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest expense</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>31,997</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>31,519</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>23,562</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income before income taxes</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>76,503</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>62,176</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>62,670</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>13,800</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,355</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,882</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity in earnings of subsidiaries from continuing operations</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>222,283</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>177,275</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>129,601</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net income from continuing operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>284,986</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>233,096</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>176,389</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity in loss of subsidiaries from discontinued operations attributable to the Company</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(3,783</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(168,663</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(798,824</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss on redemption of preferred stocks</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>600</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Dividends declared on preferred stocks</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>171</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>685</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>685</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) on common stock</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>280,432</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>63,748</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(623,120</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Comprehensive income (loss)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>279,602</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>65,848</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(617,480</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr></table></div></div>The accompanying notes are an integral part of these condensed financial statements.Condensed Financial Information of Registrant (Unconsolidated)<div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Condensed Balance Sheets</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:74%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">December&#160;31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands, except shares and per share amounts)</span></div></td><td style="vertical-align:bottom;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash and cash equivalents</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>843</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,159</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Receivables, net</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>83,453</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>80,467</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accounts receivable from subsidiaries</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>34,029</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>34,424</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Inventories</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>13,864</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17,352</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Prepayments and other current assets</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>34,400</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24,531</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current assets</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>166,589</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>160,933</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Investments</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>76,779</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>70,370</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Investment in subsidiaries</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,704,908</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,603,874</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Property, plant and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,631,161</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,502,264</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>797,130</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>756,191</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net property, plant and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,834,031</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,746,073</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred charges and other assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Goodwill</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,812</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,812</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>175,599</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>183,654</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total deferred charges and other assets</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>180,411</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>188,466</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3,962,718</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,769,716</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:10px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:10px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:10px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Liabilities and Stockholders' Equity</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current liabilities:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt due within one year</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>100,011</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>110</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accounts payable</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>47,000</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>37,697</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accounts payable to subsidiaries</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7,234</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,592</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes payable</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>13,717</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>14,992</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Dividends payable</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>38,573</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>37,767</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accrued compensation</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>20,017</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>16,086</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other accrued liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>36,881</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>34,929</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>263,433</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>147,173</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>612,493</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>679,667</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred credits and other liabilities:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred income taxes</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>147,847</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>270,126</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>509,902</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>356,506</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total deferred credits and other liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>657,749</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>626,632</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commitments and contingencies</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span></span><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span></span><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Stockholders' equity:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Preferred stocks</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,000</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Common stockholders' equity:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Common stock</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Authorized - 500,000,000 shares, $1.00 par value</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Issued - 195,843,297 shares in 2017 and 2016</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,843</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,843</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other paid-in capital</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,233,412</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,232,478</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Retained earnings</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,040,748</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>912,282</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accumulated other comprehensive loss</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(37,334</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(35,733</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Treasury stock at cost - 538,921 shares</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(3,626</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,626</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:12px;text-indent:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total common stockholders' equity</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,429,043</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,301,244</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total stockholders' equity</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,429,043</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,316,244</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total liabilities and stockholders' equity</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3,962,718</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,769,716</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div>The accompanying notes are an integral part of these condensed financial statements.Condensed Financial Information of Registrant (Unconsolidated)<div style="line-height:120%;padding-top:0px;text-align:left;font-size:12pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:12pt;color:#000000;font-style:normal;font-weight:normal;text-decoration:none;">Condensed Statements of Cash Flows</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:61%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December&#160;31,</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net cash provided by operating activities</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>284,075</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>238,125</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>255,273</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Investing activities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Capital expenditures</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(146,370</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(159,570</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(349,985</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net proceeds from sale or disposition of property and other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(5,665</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,784</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,268</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Investments in and advances to subsidiaries</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(40,000</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(5,000</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(7,000</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Advances from subsidiaries</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>40,000</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,000</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>100,000</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Investments</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(468</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(129</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net cash used in investing activities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(152,503</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(145,915</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(253,712</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Financing activities:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Issuance of long-term debt</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>70,080</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>106,420</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>224,185</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Repayment of long-term debt</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(37,569</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(50,010</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(108,008</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Proceeds from issuance of common stock</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>21,898</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Dividends paid</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(150,727</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(147,156</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(142,835</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Redemption of preferred stock</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(15,600</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Repurchase of common stock</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(564</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Tax withholding on stock-based compensation</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(508</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(226</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net cash used in financing activities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(134,888</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(90,972</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(4,760</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Increase (decrease) in cash and cash equivalents</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(3,316</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,238</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,199</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash and cash equivalents - beginning of year</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,159</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,921</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,120</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash and cash equivalents - end of year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>843</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,159</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,921</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div>The accompanying notes are an integral part of these condensed financial statements.Summary of Significant Accounting Policies<div style="line-height:140%;padding-top:0px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">Basis of presentation</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The condensed financial information reported in Schedule I is being presented to comply with Rule&#160;12-04 of Regulation S-X. The information is unconsolidated and is presented for the parent company only, which is comprised of MDU Resources Group, Inc. (the Company) and Montana-Dakota and Great Plains, public utility divisions of the Company. In Schedule I, investments in subsidiaries are presented under the equity method of accounting where the assets and liabilities of the subsidiaries are not consolidated. The investments in net assets of the subsidiaries are recorded on the Condensed Balance Sheets. The income from subsidiaries is reported as equity in earnings of subsidiaries on the Condensed Statements of Income. The consolidated financial statements of MDU Resources Group, Inc. reflect certain businesses as discontinued operations. These statements should be read in conjunction with the consolidated financial statements and notes thereto of MDU Resources Group, Inc.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;">Earnings (loss) per common share</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> Please refer to the Consolidated Statements of Income of the registrant for earnings (loss) per common share. In addition, see Item 8 - Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">1</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for information on the computation of earnings (loss) per common share.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Note&#160;2 - Debt</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> At </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, the Company had long-term debt maturities, excluding unamortized debt issuance costs, of </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$100.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2018</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$74.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2019</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$700,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in 2020, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$700,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in 2021, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$700,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> in </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2022</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$538.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> scheduled to mature in years after </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2022</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">For more information on debt, see Item 8 - Note </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">6</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Note&#160;3 - Dividends </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company depends on earnings from its divisions and dividends from its subsidiaries to pay dividends on common stock. Cash dividends paid to the Company by subsidiaries were </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$116.1&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$115.8&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;"><span>$110.6&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for the years ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span>, respectively.<span></span>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Schedule II - Consolidated Valuation and Qualifying Accounts<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="text">&#160;<span></span>
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<td class="text">Consolidated Valuation and Qualifying Accounts<div style="line-height:140%;padding-top:4px;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">For the years ended December&#160;31, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2015</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.90338164251207%;border-collapse:collapse;text-align:left;"><tr><td colspan="18"/></tr><tr><td style="width:36%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:3%;"/><td style="width:1%;"/><td style="width:7%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Additions</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Description</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at Beginning of Year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Charged to Costs and Expenses</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">*</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deductions</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">**</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at End of Year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="17" style="vertical-align:bottom;padding-left:0px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td></tr><tr><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Allowance for doubtful accounts:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>10,479</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7,024</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>989</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>10,423</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>8,069</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,835</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8,302</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>851</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8,509</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,479</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2015</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,511</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,343</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,012</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>12,031</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,835</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:6px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Recoveries.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">**</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Uncollectible accounts written off.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:center;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:99.90338164251207%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div>All other schedules are omitted because of the absence of the conditions under which they are required, or because the information required is included in the Company's Consolidated Financial Statements and Notes thereto.<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -URI http://asc.fasb.org/topic&amp;trid=2122369<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6860030240">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Summary of significant accounting policies (Policies)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BasisOfAccountingPolicyPolicyTextBlock', window );">Basis of presentation</a></td>
<td class="text">The abbreviations and acronyms used throughout are defined following the Notes to Consolidated Financial Statements. The consolidated financial statements of the Company include the accounts of the following businesses: electric, natural gas distribution, pipeline and midstream, construction materials and contracting, construction services and other. The electric and natural gas distribution businesses, as well as a portion of the pipeline and midstream business, are regulated. Construction materials and contracting, construction services and the other businesses, as well as a portion of the pipeline and midstream business, are nonregulated. For further descriptions of the Company's businesses, see Note&#160;<span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">13</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. Intercompany balances and transactions have been eliminated in consolidation, except for certain transactions related to the Company's regulated operations in accordance with GAAP. The statements also include the ownership interests in the assets, liabilities and expenses of jointly owned electric generating facilities.</span><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's regulated businesses are subject to various state and federal agency regulations. The accounting policies followed by these businesses are generally subject to the Uniform System of Accounts of the FERC. These accounting policies differ in some respects from those used by the Company's nonregulated businesses.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company's regulated businesses account for certain income and expense items under the provisions of regulatory accounting, which requires these businesses to defer as regulatory assets or liabilities certain items that would have otherwise been reflected as expense or income, respectively, based on the expected regulatory treatment in future rates. The expected recovery or flowback of these deferred items generally is based on specific ratemaking decisions or precedent for each item. Regulatory assets and liabilities are being amortized consistently with the regulatory treatment established by the FERC and the applicable state public service commissions. See Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> for more information regarding the nature and amounts of these regulatory deferrals.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Depreciation, depletion and amortization expense is reported separately on the Consolidated Statements of Income and therefore is excluded from the other line items within operating expenses.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Management has also evaluated the impact of events occurring after </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, up to the date of issuance of these consolidated financial statements.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On December 22, 2017, President Trump signed into law the TCJA which includes lower corporate tax rates, repealing the domestic production deduction, disallowance of immediate expensing for regulated utility property and modifying or repealing many other business deductions and credits. In accordance with the accounting guidance on accounting for income taxes, entities must account for the effects of the change in tax laws or rates in the period of enactment. In the fourth quarter of 2017, the period of enactment, the Company performed a one-time revaluation of the net deferred tax liabilities to account for the reduction in the corporate tax rate from 35&#160;percent to 21&#160;percent effective January&#160;1, 2018. For more information on the impacts of the TCJA on the year ended December&#160;31, 2017, see Notes </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">4</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">11</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">. The Company is currently reviewing the components of the TCJA and evaluating the impact on the Company's consolidated financial statements and related disclosures for 2018 and thereafter.</span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">As part of the Company's strategic plan to grow its capital investments while focusing on creating a greater long-term value and reducing the Company's risk by decreasing exposure to commodity prices, the Company completed the sales of substantially all of Fidelity's oil and and natural gas assets between October 2015 and April 2016 and Dakota Prairie Refining on June 27, 2016. </span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The assets and liabilities for the Company's discontinued operations have been classified as held for sale and the results of operations are shown in loss from discontinued operations, other than certain general and administrative costs and interest expense which do not meet the criteria for income (loss) from discontinued operations. At the time the assets were classified as held for sale, depreciation, depletion and amortization expense was no longer recorded. Unless otherwise indicated, the amounts presented in the accompanying notes to the consolidated financial statements relate to the Company's continuing operations. For more information on the Company's discontinued operations, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">.</span></div><span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsPolicyTextBlock', window );">Cash and cash equivalents</a></td>
<td class="text">The Company considers all highly liquid investments purchased with an original maturity of three months or less to be cash equivalents.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReceivablesTradeAndOtherAccountsReceivableAllowanceForDoubtfulAccountsPolicy', window );">Accounts receivable and allowance for doubtful accounts</a></td>
<td class="text">The allowance for doubtful accounts is determined through a review of past due balances and other specific account data. Account balances are written off when management determines the amounts to be uncollectible. Accounts receivable consists primarily of trade receivables from the sale of goods and services which are recorded at the invoiced amount net of allowance for doubtful accounts, and costs and estimated earnings in excess of billings on uncompleted contracts.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryPolicyTextBlock', window );">Inventories and natural gas in storage</a></td>
<td class="text">Natural gas in storage for the Company's regulated operations is generally carried at lower of cost or net realizable value, or cost using the last-in, first-out method. All other inventories are stated at the lower of cost or net realizable value.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InvestmentPolicyTextBlock', window );">Investments</a></td>
<td class="text">The Company's investments include the cash surrender value of life insurance policies, an insurance contract, mortgage-backed securities and U.S. Treasury securities. The Company measures its investment in the insurance contract at fair value with any unrealized gains and losses recorded on the Consolidated Statements of Income. The Company has not elected the fair value option for its mortgage-backed securities and U.S. Treasury securities and, as a result, the unrealized gains and losses on these investments are recorded in accumulated other comprehensive income (loss).<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentPolicyTextBlock', window );">Property, plant and equipment</a></td>
<td class="text">Additions to property, plant and equipment are recorded at cost. When regulated assets are retired, or otherwise disposed of in the ordinary course of business, the original cost of the asset is charged to accumulated depreciation. With respect to the retirement or disposal of all other assets, the resulting gains or losses are recognized as a component of income. The Company is permitted to capitalize AFUDC on regulated construction projects and to include such amounts in rate base when the related facilities are placed in service. In addition, the Company capitalizes interest, when applicable, on certain construction projects associated with its other operations.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock', window );">Impairment of long-lived assets</a></td>
<td class="text">The Company reviews the carrying values of its long-lived assets, excluding goodwill and assets held for sale, whenever events or changes in circumstances indicate that such carrying values may not be recoverable. The determination of whether an impairment has occurred is based on an estimate of undiscounted future cash flows attributable to the assets, compared to the carrying value of the assets. If impairment has occurred, the amount of the impairment recognized is determined by estimating the fair value of the assets and recording a loss if the carrying value is greater than the fair value.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock', window );">Goodwill</a></td>
<td class="text">Goodwill represents the excess of the purchase price over the fair value of identifiable net tangible and intangible assets acquired in a business combination. Goodwill is required to be tested for impairment annually, which is completed in the fourth quarter, or more frequently if events or changes in circumstances indicate that goodwill may be impaired.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRecognitionPolicyTextBlock', window );">Revenue recognition</a></td>
<td class="text">Revenue is recognized when the earnings process is complete, as evidenced by an agreement between the customer and the Company, when delivery has occurred or services have been rendered, when the fee is fixed or determinable and when collection is reasonably assured. The Company recognizes utility revenue each month based on the services provided to all utility customers during the month. Accrued unbilled revenue which is included in receivables, net, represents revenues recognized in excess of amounts billed.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RevenueRecognitionPercentageOfCompletionMethod', window );">Percentage-of-completion method</a></td>
<td class="text">The Company recognizes construction contract revenue from fixed-price and modified fixed-price construction contracts at its construction businesses using the&#160;percentage-of-completion method, measured by the&#160;percentage of costs incurred to date to estimated total costs for each contract. If a loss is anticipated on a contract, the loss is immediately recognized. Costs and estimated earnings in excess of billings on uncompleted contracts represent revenues recognized in excess of amounts billed and were included in receivables, net. Billings in excess of costs and estimated earnings on uncompleted contracts represent billings in excess of revenues recognized and were included in accounts payable.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationsPolicy', window );">Asset retirement obligations</a></td>
<td class="text">The Company records the fair value of a liability for an asset retirement obligation in the period in which it is incurred. When the liability is initially recorded, the Company capitalizes a cost by increasing the carrying amount of the related long-lived asset. Over time, the liability is accreted to its present value each period, and the capitalized cost is depreciated over the useful life of the related asset. Upon settlement of the liability, the Company either settles the obligation for the recorded amount or incurs a gain or loss at its nonregulated operations or incurs a regulatory asset or liability at its regulated operations.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LegalCostsPolicyTextBlock', window );">Legal costs</a></td>
<td class="text">The Company expenses external legal fees as they are incurred.<span></span>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_NaturalGasCostsRecoverableOrRefundableThroughRateAdjustmentsPolicyTextBlock', window );">Natural gas costs recoverable or refundable through rate adjustments</a></td>
<td class="text">Under the terms of certain orders of the applicable state public service commissions, the Company is deferring natural gas commodity, transportation and storage costs that are greater or less than amounts presently being recovered through its existing rate schedules. Such orders generally provide that these amounts are recoverable or refundable through rate adjustments which are filed annually.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy', window );">Stock-based compensation</a></td>
<td class="text">The Company records the compensation expense for performance share awards using an estimated forfeiture rate. The estimated forfeiture rate is calculated based on an average of actual historical forfeitures. The Company also preforms an analysis of any known factors at the time of the calculation to identify any necessary adjustments to the average historical forfeiture rate. At the time actual forfeitures become more than estimated forfeitures, the Company records compensation expense using actual forfeitures.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxPolicyTextBlock', window );">Income taxes</a></td>
<td class="text">The Company provides deferred federal and state income taxes on all temporary differences between the book and tax basis of the Company's assets and liabilities by using enacted tax rates in effect for the year in which the differences are expected to reverse. The effect of a change in tax rates on deferred tax assets and liabilities is recognized in income in the period that includes the enactment date. Excess deferred income tax balances associated with the Company's rate-regulated activities have been recorded as a regulatory liability and are included in other liabilities. These regulatory liabilities are expected to be reflected as a reduction in future rates charged to customers in accordance with applicable regulatory procedures.The Company uses the deferral method of accounting for investment tax credits and amortizes the credits on regulated electric and natural gas distribution plant over various periods that conform to the ratemaking treatment prescribed by the applicable state public service commissions.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxUncertaintiesPolicy', window );">Income tax uncertainties</a></td>
<td class="text">The Company records uncertain tax positions in accordance with accounting guidance on accounting for income taxes on the basis of a two-step process in which (1) the Company determines whether it is more-likely-than-not that the tax position will be sustained on the basis of the technical merits of the position and (2) for those tax positions that meet the more-likely than-not recognition threshold, the Company recognizes the largest amount of the tax benefit that is more than <span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>50 percent</span></span> likely to be realized upon ultimate settlement with the related tax authority. Tax positions that do not meet the more-likely-than-not criteria are reflected as a tax liability. The Company recognizes interest and penalties accrued related to unrecognized tax benefits in income taxes.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerSharePolicyTextBlock', window );">Earnings (loss) per common share</a></td>
<td class="text">Basic earnings (loss) per common share were computed by dividing earnings (loss) on common stock by the weighted average number of shares of common stock outstanding during the year. Diluted earnings (loss) per common share were computed by dividing earnings (loss) on common stock by the total of the weighted average number of shares of common stock outstanding during the year, plus the effect of nonvested performance share awards.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UseOfEstimates', window );">Use of estimates</a></td>
<td class="text">The preparation of financial statements in conformity with GAAP requires the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent assets and liabilities at the date of the financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Estimates are used for items such as long-lived assets and goodwill; fair values of acquired assets and liabilities under the acquisition method of accounting; aggregate reserves; property depreciable lives; tax provisions; uncollectible accounts; environmental and other loss contingencies; accumulated provision for revenues subject to refund; costs on construction contracts; unbilled revenues; actuarially determined benefit costs; asset retirement obligations; and the valuation of stock-based compensation. As additional information becomes available, or actual amounts are determinable, the recorded estimates are revised. Consequently, operating results can be affected by revisions to prior accounting estimates.<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock', window );">New accounting standards</a></td>
<td class="text">Simplifying the Measurement of Inventory<span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In July 2015, the FASB issued guidance regarding inventory that is measured using the first-in, first-out or average cost method. The guidance does not apply to inventory measured using the last-in, first-out or the retail inventory method. The guidance requires inventory within its scope to be measured at the lower of cost or net realizable value, which is the estimated selling price in the normal course of business less reasonably predictable costs of completion, disposal and transportation. These amendments more closely align GAAP with IFRS. The Company adopted the guidance on January&#160;1, 2017, on a prospective basis. The guidance did not have a material effect on the Company's results of operations, financial position, cash flows or disclosures.</span><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Improvements to Employee Share-Based Payment Accounting</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> In March 2016, the FASB issued guidance regarding simplification of several aspects of the accounting for share-based payment transactions. The guidance affects the income tax consequences, classification of awards as either equity or liabilities, classification on the statement of cash flows and calculation of dilutive shares. The Company adopted the guidance on January 1, 2017. All amendments in the guidance that apply to the Company were adopted on a prospective basis resulting in no adjustments being made to retained earnings. The adoption of the guidance impacted the Consolidated Statement of Income and the Consolidated Balance Sheet in the first quarter of 2017 due to the taxes related to the stock-based compensation award that vested in February 2017 being recognized as income tax expense as compared to a reduction to additional paid-in capital under the previous guidance. Adoption of the guidance also increased the number of shares included in the diluted earnings per share calculation due to the exclusion of tax benefits in the incremental shares calculation. The change in the weighted average common shares outstanding - diluted did not result in a material effect on the earnings per common share - diluted.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;font-size:9.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:9.5pt;color:#000000;font-weight:bold;">Recently issued accounting standards not yet adopted</span></div><div style="line-height:140%;padding-top:0px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Revenue from Contracts with Customers</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> In May 2014, the FASB issued guidance on accounting for revenue from contracts with customers. The guidance provides for a single comprehensive model for entities to use in accounting for revenue arising from contracts with customers and supersedes most current revenue recognition guidance, including industry specific guidance. In August 2015, the FASB issued guidance deferring the effective date of the revenue guidance and allowing entities to early adopt. With this decision, the guidance was effective for the Company on January&#160;1, 2018. Entities had the option of using either a full retrospective or modified retrospective approach to adopting the guidance. Under the modified retrospective approach, an entity recognizes the cumulative effect of initially applying the guidance with an adjustment to the opening balance of retained earnings in the period of adoption. </span></div><div style="line-height:140%;padding-bottom:10px;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company adopted the guidance on January&#160;1, 2018, using the modified retrospective approach. The Company has substantially completed the evaluation of contracts and methods of revenue recognition under the previous accounting guidance and has not identified any material cumulative effect adjustments to be made to retained earnings. In addition, the Company will have expanded revenue disclosures, both quantitatively and qualitatively, related to the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers in the first quarter of 2018. The Company has reviewed substantially all of its revenue streams to evaluate the impact of this guidance and does not anticipate a significant change in the timing of revenue recognition, results of operations, financial position or cash flows. The Company reviewed its internal controls related to revenue recognition and disclosures and concluded that the guidance impacts certain business processes and controls. As such, the Company has developed modifications to its internal controls for certain topics under the guidance as they apply to the Company and such modifications were not deemed to be significant.</span></div><div style="line-height:140%;padding-top:14px;font-size:9pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Recognition and Measurement of Financial Assets and Financial Liabilities</span><span style="font-family:Trade Gothic,sans-serif;font-size:9pt;color:#000000;font-style:italic;font-weight:bold;"> </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In January&#160;2016, the FASB issued guidance regarding the classification and measurement of financial instruments. The guidance revises the way an entity classifies and measures investments in equity securities, the presentation of certain fair value changes for financial liabilities measured at fair value and amends certain disclosure requirements related to the fair value of financial instruments. This guidance was effective for the Company on January&#160;1, 2018. The guidance was to be applied using a modified retrospective approach with the exception of equity securities without readily determinable fair values which should be applied prospectively. The Company continues to evaluate the effects the adoption of the new guidance will have on its results of operations, financial position, cash flows and disclosures and does not anticipate a material impact.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Classification of Certain Cash Receipts and Cash Payments </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In August 2016, the FASB issued guidance to clarify the classification of certain cash receipts and payments in the statement of cash flows. The guidance is intended to standardize the presentation and classification of certain transactions, including cash payments for debt prepayment or extinguishment, proceeds from insurance claim settlements and distributions from equity method investments. In addition, the guidance clarifies how to classify transactions that have characteristics of more than one class of cash flows. The Company adopted the guidance on January&#160;1, 2018, on a prospective basis. The Company does not anticipate the guidance to have a material effect on its future results of operations, financial position, cash flows and disclosures.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Clarifying the Definition of a Business </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In January 2017, the FASB issued guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions or disposals of assets or businesses. The guidance provides a screen to determine when an integrated set of assets and activities is not a business. The guidance also affects other aspects of accounting, such as determining reporting units for goodwill testing and whether an entity has acquired or sold a business. The Company adopted the guidance on January&#160;1, 2018, on a prospective basis. The Company does not anticipate the guidance to have a material effect on its future results of operations, financial position, cash flows and disclosures.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In March 2017, the FASB issued guidance to improve the presentation of net periodic pension cost and net periodic postretirement benefit cost. The guidance requires the service cost component to be presented in the income statement in the same line item or items as other compensation costs arising from services performed during the period. Other components of net benefit costs shall be presented in the income statement separately from the service cost component and outside a subtotal of income from operations. The guidance also allows only the service cost component to be eligible for capitalization. The guidance was effective for the Company on January&#160;1, 2018, including interim periods, on a retrospective basis for all periods presented with the exception of the capitalization of the service cost component which was adopted on a prospective basis.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company will reclassify all components of net periodic benefit costs, except for the service cost component, from operating expenses to other income (expense) on the Consolidated Statements of Income for all years presented prior to January&#160;1, 2018, beginning in the first quarter of 2018, with no impact to earnings. The guidance will not have a material impact on the Company's disclosures or cash flows.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Under FERC regulation, all components of net periodic benefit costs are currently eligible for capitalization. The Company's electric and natural gas distribution businesses have elected to continue to defer all components of net periodic benefit costs as regulatory assets or liabilities. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Leases </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In February 2016, the FASB issued guidance regarding leases. The guidance requires lessees to recognize a lease liability and a right-of-use asset on the balance sheet for operating and financing leases with terms of more than 12&#160;months. The guidance remains largely the same for lessors, although some changes were made to better align lessor accounting with the new lessee accounting and to align with the revenue recognition standard. The guidance also requires additional disclosures, both quantitative and qualitative, related to operating and finance leases for the lessee and sales-type, direct financing and operating leases for the lessor. This guidance will be effective for the Company on January&#160;1, 2019, and should be applied using a retrospective approach with early adoption permitted. The Company continues to evaluate the potential impact the adoption of the new guidance will have on its results of operations, financial position, cash flows and disclosures. The Company is planning to adopt the standard on January&#160;1, 2019, utilizing the practical expedient that allows the Company to not reassess whether an expired or existing contract contains a lease, the classification of leases or initial direct costs. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In January 2018, the FASB issued a practical expedient for land easements under the new lease guidance. The practical expedient permits an entity to elect the option to not evaluate land easements under the new guidance if they existed or expired before the adoption of the new lease guidance and were not previously accounted for as leases under the previous lease guidance. Once an entity adopts the new guidance, the entity should apply the new guidance on a prospective basis to all new or modified land easements. The Company is currently evaluating the impact of the practical expedient. </span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">On January&#160;5, 2018, the FASB issued a proposed accounting standard update to the guidance that would allow an entity the option to adopt the guidance on a modified retrospective basis. Under the modified retrospective approach, an entity would recognize a cumulative effect adjustment of initially applying the guidance to the opening balance of retained earnings in the period of adoption. The Company is monitoring the status of the proposal.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Simplifying the Test for Goodwill Impairment </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In January 2017, the FASB issued guidance on simplifying the test for goodwill impairment by eliminating Step&#160;2, which required an entity to measure the amount of impairment loss by comparing the implied fair value of reporting unit goodwill with the carrying amount of such goodwill. This guidance requires entities to perform a quantitative impairment test, previously Step&#160;1, to identify both the existence of impairment and the amount of impairment loss by comparing the fair value of a reporting unit to its carrying amount. Entities will continue to have the option of performing a qualitative assessment to determine if the quantitative impairment test is necessary. The guidance also requires additional disclosures if an entity has one or more reporting units with zero or negative carrying amounts of net assets. The guidance will be effective for the Company on January&#160;1, 2020, and should be applied on a prospective basis with early adoption permitted. The Company is evaluating the effects the adoption of the new guidance will have on its results of operations, financial position, cash flows and disclosures.</span></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;font-style:italic;font-weight:bold;">Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">In February 2018, the FASB issued guidance that allows an entity to reclassify the stranded tax effects resulting from the newly enacted federal corporate income tax rate from accumulated other comprehensive income (loss) to retained earnings. The guidance is effective for the Company on January 1, 2019, including interim periods, with early adoption permitted. The guidance can be applied using one of two methods. One method is to record the reclassification of the stranded income taxes at the beginning of the period of adoption. The other method is to apply the guidance retrospectively to each period in which the income tax effects of the TCJA are recognized in accumulated other comprehensive income (loss). The Company is evaluating adoption of the guidance in the first quarter of 2018. At December 31, 2017, the Company had </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"><span>$7.7 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> of stranded tax effects in the accumulated other comprehensive loss balance.</span></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConsolidationVariableInterestEntityPolicy', window );">Variable interest entities</a></td>
<td class="text">The Company evaluates its arrangements and contracts with other entities to determine if they are VIEs and if so, if the Company is the primary beneficiary. GAAP provides a framework for identifying VIEs and determining when a company should include the assets, liabilities, noncontrolling interest and results of activities of a VIE in its consolidated financial statements.<div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">A VIE should be consolidated if a party with an ownership, contractual or other financial interest in the VIE (a variable interest holder) has the power to direct the VIE's most significant activities and the obligation to absorb losses or right to receive benefits of the VIE that could be significant to the VIE. A variable interest holder that consolidates the VIE is called the primary beneficiary. Upon consolidation, the primary beneficiary generally must initially record all of the VIE's assets, liabilities and noncontrolling interests at fair value and subsequently account for the VIE as if it were consolidated.</span></div>The Company's evaluation of whether it qualifies as the primary beneficiary of a VIE involves significant judgments, estimates and assumptions and includes a qualitative analysis of the activities that most significantly impact the VIE's economic performance and whether the Company has the power to direct those activities, the design of the entity, the rights of the parties and the purpose of the arrangement.<span></span>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ComprehensiveIncomePolicyPolicyTextBlock', window );">Comprehensive income (loss)</a></td>
<td class="text">Comprehensive income (loss) is the sum of net income (loss) as reported and other comprehensive income (loss). The Company's other comprehensive income (loss) resulted from gains (losses) on derivative instruments qualifying as hedges, postretirement liability adjustments, foreign currency translation adjustments and gains (losses) on available-for-sale investments.<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for natural gas costs recoverable or refundable through rate adjustments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for legal obligation associated with retirement of long-lived asset that results from acquisition, construction, or development or from normal operation of long-lived asset. Excludes environmental remediation liability from improper or other-than-normal operation of long-lived asset, obligation arising in connection with leased property that meets definition of lease payments or variable lease payments and from plan to sell or otherwise dispose of a long-lived asset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 305<br> -SubTopic 10<br> -Section 05<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6375392&amp;loc=d3e26790-107797<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4273-108586<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for comprehensive income.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for consolidation to describe the significant judgments and assumptions made in determining whether a variable interest held by the entity requires the variable interest entity to be consolidated and (or) disclose information about its involvement with the variable interest entity; the methodology used by the entity for determining whether or not it is the primary beneficiary of the variable interest entity; and the significant factors considered and judgments made in determining that the power to direct the activities that significantly impact the economic performance of the variable interest entity are shared (as defined).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5A<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77990344&amp;loc=SL6759159-111685<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=77990344&amp;loc=d3e5728-111685<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2AA<br> -Subparagraph a<br> -URI http://asc.fasb.org/extlink&amp;oid=77990344&amp;loc=SL6759068-111685<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3630-109257<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for goodwill and intangible assets. This accounting policy also may address how an entity assesses and measures impairment of goodwill and intangible assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16265-109275<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=35741047&amp;loc=d3e13816-109267<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for recognizing and measuring the impairment of long-lived assets. An entity also may disclose its accounting policy for long-lived assets to be sold. This policy excludes goodwill and intangible assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB Topic 5.CC)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011434&amp;loc=d3e125687-122742<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 05<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=64802544&amp;loc=d3e202-110218<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32840-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 30<br> -Section 05<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=65884525&amp;loc=d3e40913-109327<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 954<br> -SubTopic 740<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6491622&amp;loc=d3e9504-115650<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 17<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32809-109319<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -URI http://asc.fasb.org/extlink&amp;oid=84176650&amp;loc=d3e32247-109318<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=84176650&amp;loc=d3e32280-109318<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxPolicyTextBlock</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for tax positions taken in the tax return filed or to be filed for which it is more likely than not that the tax position will not be sustained upon examination by taxing authorities and other types of contingencies related to income taxes.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 05<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6420479&amp;loc=d3e26513-109311<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32840-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxUncertaintiesPolicy</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=66092785&amp;loc=d3e4492-108314<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=66092785&amp;loc=d3e4556-108314<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6361739&amp;loc=d3e7789-107766<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryPolicyTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for investments in financial assets, including marketable securities (debt and equity securities with readily determinable fair values), investments accounted for under the equity method and cost method, securities borrowed and loaned, and repurchase and resale agreements. For marketable securities, the disclosure may include the entity's accounting treatment for transfers between investment categories and how the fair values for such securities are determined. Also, for all investments, an entity may describe its policy for assessing, recognizing and measuring impairment of the investment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=66011266&amp;loc=d3e33918-111571<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=82897076&amp;loc=d3e27290-111563<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.2,12)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 5.M)<br> -URI http://asc.fasb.org/extlink&amp;oid=65877573&amp;loc=d3e87990-122713<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 325<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=75025870&amp;loc=d3e40691-111596<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=77997519&amp;loc=d3e13433-108611<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentPolicyTextBlock</td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LegalCostsPolicyTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for legal costs incurred to protect or defend the entity's assets and rights, or to obtain assets, including monetary damages, or to obtain rights.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18726-107790<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section S99<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=27011672&amp;loc=d3e149975-122751<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LegalCostsPolicyTextBlock</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, basis of assets, depreciation and depletion methods used, including composite deprecation, estimated useful lives, capitalization policy, accounting treatment for costs incurred for repairs and maintenance, capitalized interest and the method it is calculated, disposals and impairments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.13(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for determining the allowance for doubtful accounts for trade and other accounts receivable balances, and when impairments, charge-offs or recoveries are recognized.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for revenue recognition for long-term construction-type contracts accounted for using the percentage-of-completion method. The disclosure would generally be expected to include the method or methods of measuring extent of progress toward completion. If the entity departs from using the percentage-of-completion method for a single contract or a group of contracts for which reasonably dependable estimates cannot be made, such a departure from the basic policy is disclosed. The disclosure may also describe the accounting for significant changes in estimate.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for revenue recognition. If the entity has different policies for different types of revenue transactions, the policy for each material type of transaction is generally disclosed. If a sales transaction has multiple element arrangements (for example, delivery of multiple products, services or the rights to use assets) the disclosure may indicate the accounting policy for each unit of accounting as well as how units of accounting are determined and valued. The disclosure may encompass important judgment as to appropriateness of principles related to recognition of revenue. The disclosure also may indicate the entity's treatment of any unearned or deferred revenue that arises from the transaction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18823-107790<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 605<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 13.B.Q1)<br> -URI http://asc.fasb.org/extlink&amp;oid=65893310&amp;loc=d3e214044-122780<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18726-107790<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for stock option and stock incentive plans. This disclosure may include (1) the types of stock option or incentive plans sponsored by the entity (2) the groups that participate in (or are covered by) each plan (3) significant plan provisions and (4) how stock compensation is measured, and the methodologies and significant assumptions used to determine that measurement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5047-113901<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b),(f)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=84177426&amp;loc=d3e6061-108592<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=84177426&amp;loc=d3e6143-108592<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84177426&amp;loc=d3e6132-108592<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6853075136">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Fair value measurements (Policies)<br></strong></div></th>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for determining the fair value of financial instruments.</p></div>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingPolicyPolicyTextBlock', window );">Business segment data</a></td>
<td class="text">The Company's reportable segments are those that are based on the Company's method of internal reporting, which generally segregates the strategic business units due to differences in products, services and regulation. The internal reporting of these operating segments is defined based on the reporting and review process used by the Company's chief executive officer.<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SegmentReportingAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for segment reporting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84158767&amp;loc=d3e18780-107790<br></p></div>
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<td style="white-space:nowrap;">us-gaap_SegmentReportingPolicyPolicyTextBlock</td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6853127792">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Summary of significant accounting policies (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfInventoryCurrentTableTextBlock', window );">Inventories</a></td>
<td class="text">Inventories at December&#160;31 consisted of:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:66%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Aggregates held for resale</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>115,268</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>115,471</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Asphalt oil</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>30,360</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>29,103</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas in storage (current)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>20,950</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>25,761</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Materials and supplies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>18,650</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>18,372</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Merchandise for resale</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>14,905</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>16,437</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>26,450</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>33,129</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>226,583</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>238,273</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_AfudcAndInterestCapitailizedTableTextBlock', window );">AFUDC and interest capitailized</a></td>
<td class="text">The amount of AFUDC and interest capitalized for the years ended December&#160;31 were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:49%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest capitalized</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,381</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">AFUDC - borrowed</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>966</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>914</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,907</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">AFUDC - equity</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>909</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>565</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,971</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentTextBlock', window );">Property, plant and equipment</a></td>
<td class="text">Property, plant and equipment at December&#160;31 was as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"/></tr><tr><td style="width:61%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Weighted</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Average</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Depreciable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Life in Years</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="8" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Dollars in thousands, where applicable)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulated:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Generation</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,034,765</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,036,373</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>39</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>415,543</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>398,382</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>44</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Transmission</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>296,941</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>284,048</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>57</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction in progress</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>117,906</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>62,212</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>117,109</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>107,598</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,831,795</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,718,633</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>47</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction in progress</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>19,823</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>19,934</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>468,227</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>440,846</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>18</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Transmission</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>516,932</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>490,143</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>53</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Gathering</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>37,837</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>37,831</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>20</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Storage</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>45,629</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>45,350</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>62</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction in progress</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>17,488</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>16,507</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>41,054</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>40,873</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>33</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonregulated:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Gathering and processing</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>31,678</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>31,682</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>19</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction in progress</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>17</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>9,649</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,800</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Land</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>95,745</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>94,625</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Buildings and improvements</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>102,435</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>102,347</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>20</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Machinery, vehicles and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>947,979</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>930,471</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>12</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction in progress</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7,750</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>16,181</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Aggregate reserves</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>406,139</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>405,751</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">*</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Land</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5,216</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,346</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Buildings and improvements</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>27,351</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>26,693</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>25</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Machinery, vehicles and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>137,924</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>132,217</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6,774</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,105</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Land</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,837</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,837</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8212;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>28,286</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>46,431</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>19</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,691,641</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,578,902</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net property, plant and equipment</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,079,188</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,931,327</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Depleted on the units-of-production method based on recoverable aggregate reserves.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsInExcessOfBillingsAndBillingsInExcessOfCostsTableTextBlock', window );">Percentage-of-completion method</a></td>
<td class="text">Costs and estimated earnings in excess of billings and billings in excess of costs and estimated earnings on uncompleted contracts at December&#160;31 were as follows:<div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:74%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Costs and estimated earnings in excess of billings on uncompleted contracts</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>109,541</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>64,558</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Billings in excess of costs and estimated earnings on uncompleted contracts</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>84,123</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>64,832</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:14px;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Amounts representing balances billed but not paid by customers under retainage provisions in contracts at December&#160;31 were as follows: </span></div><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:74%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Short-term retainage*</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>57,134</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>45,109</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term retainage**</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,410</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,506</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total retainage</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>58,544</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>46,615</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:6px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Expected to be paid within one year or less and included in receivables, net.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">**</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in deferred charges and other assets - other.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock', window );">Schedule of earnings per share reconciliation</a></td>
<td class="text">A reconciliation of the weighted average common shares outstanding used in the basic and diluted earnings (loss) per share calculation was as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:61%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average common shares outstanding - basic</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,299</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>194,928</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Effect of dilutive performance share awards</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>383</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>319</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>58</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average common shares outstanding - diluted</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,687</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,618</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>194,986</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Shares excluded from the calculation of diluted earnings per share</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock', window );">After-tax changes in the components of accumulated other comprehensive income (loss)</a></td>
<td class="text">The after-tax changes in the components of accumulated other comprehensive loss as of <span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="16"/></tr><tr><td style="width:35%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Net</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gain (Loss) on</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Derivative</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Instruments</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Qualifying</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">as Hedges</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Post-</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">retirement</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Liability</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Adjustment</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Foreign</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Currency</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Translation</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Adjustment</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Net</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gain (Loss) on</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Available-</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">for-sale</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Investments</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Total</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Accumulated</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Other</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Comprehensive</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Loss</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at December&#160;31, 2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,667</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(34,257</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(200</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(24</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(37,148</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other comprehensive income (loss) before reclassifications</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,470</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>51</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(182</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,601</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amounts reclassified from accumulated other comprehensive loss</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>367</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,506</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>143</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,016</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net current-period other comprehensive income (loss)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>367</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,036</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>51</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(39</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,415</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at December&#160;31, 2016</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,300</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(33,221</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(149</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(63</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(35,733</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other comprehensive loss before reclassifications</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,812</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(139</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,957</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amounts reclassified from accumulated other comprehensive loss</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>366</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,013</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>120</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,499</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amounts reclassified to accumulated other comprehensive loss from a regulatory asset</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,143</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,143</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net current-period other comprehensive income (loss)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>366</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,942</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(19</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,601</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">Balance at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(1,934</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(35,163</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(155</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(82</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(37,334</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock', window );">Reclassification out of accumulated other comprehensive income (loss)</a></td>
<td class="text">Reclassifications out of accumulated other comprehensive loss for the years ended December&#160;31 were as follows:<div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:606px;border-collapse:collapse;text-align:left;"><tr><td colspan="8"/></tr><tr><td style="width:289px;"/><td style="width:8px;"/><td style="width:58px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:56px;"/><td style="width:3px;"/><td style="width:178px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Location on Consolidated</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Statements of Income</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Reclassification adjustment for loss on derivative</span></div><div style="text-align:left;padding-left:12px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">instruments included in net income (loss):</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest rate derivative instruments</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(590</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(593</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest expense</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>224</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>226</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(366</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(367</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amortization of postretirement liability losses included</span></div><div style="padding-left:12px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">in net periodic benefit cost (credit)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(1,658</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,931</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(a)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>645</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,425</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(1,013</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,506</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Reclassification adjustment for loss on available-for-sale</span></div><div style="padding-left:12px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">investments included in net income (loss)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(185</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(220</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other income</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>65</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>77</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(120</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(143</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total reclassifications</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(1,499</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,016</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in net periodic benefit cost (credit). For more information, see Note&#160;</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">.</span></div></td></tr></table><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:607px;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:606px;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>AFUDC and interest capitailized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure for billings on uncompleted contracts in excess of costs and costs of uncompleted contracts in excess of billings.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentTextBlock</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the components of accumulated other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669686-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6361739&amp;loc=d3e7789-107766<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(c))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfInventoryCurrentTableTextBlock</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfWeightedAverageNumberOfSharesTableTextBlock</td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6853075136">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Discontinued operations (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract', window );"><strong>Discontinued Operations and Disposal Groups [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock', window );">Disclosure of long lived assets held-for-sale</a></td>
<td class="text">The carrying amounts of the major classes of assets classified as held for sale associated with Pronghorn on the Company's Consolidated Balance Sheets at December&#160;31 were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:65.13409961685824%;border-collapse:collapse;text-align:left;"><tr><td colspan="4"/></tr><tr><td style="width:81%;"/><td style="width:1%;"/><td style="width:17%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current assets:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Prepayments and other current assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>68</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>68</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Noncurrent assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net property, plant and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>93,424</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Goodwill</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>9,737</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less allowance for impairment of assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,311</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total noncurrent assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>100,850</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets held for sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>100,918</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock', window );">Disposal groups, including discontinued operations</a></td>
<td class="text">The carrying amounts of the major classes of assets and liabilities classified as held for sale, related to the operations of Fidelity, on the Company's Consolidated Balance Sheets at December&#160;31 were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:83.5249042145594%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"/></tr><tr><td style="width:64%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:3%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:3%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="7" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current assets:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Receivables, net</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>479</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>355</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>479</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>355</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Noncurrent assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net property, plant and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,631</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,507</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred income taxes</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,637</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>91,098</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>161</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>161</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less allowance for impairment of assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>938</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total noncurrent assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,429</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>95,828</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets held for sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,908</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>96,183</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Liabilities</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current liabilities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accounts payable</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>30</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>141</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes payable</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>10,857</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>19</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(a)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other accrued liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,884</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,358</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current liabilities held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>13,771</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,518</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total liabilities held for sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>13,771</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,518</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">On the Company's Consolidated Balance Sheets, this amount was reclassified to prepayments and other current assets and </span></div></td></tr></table>is reflected in current assets held for sale.The carrying amounts of the major classes of assets and liabilities classified as held for sale, related to the operations of and activity associated with Dakota Prairie Refining, on the Company's Consolidated Balance Sheets at December&#160;31 were as follows:<div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:80.65134099616859%;border-collapse:collapse;text-align:left;"><tr><td colspan="8"/></tr><tr><td style="width:65%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:4%;"/><td style="width:1%;"/><td style="width:14%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="7" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current assets:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes receivable</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,778</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,987</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,778</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,987</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets held for sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,778</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(a)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,987</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Liabilities</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current liabilities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accounts payable</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,425</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total current liabilities held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,425</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Noncurrent liabilities:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred income taxes (b)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>37</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>14</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total noncurrent liabilities held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>37</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>14</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total liabilities held for sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>37</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,439</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">On the Company's Consolidated Balance Sheets, these amounts were reclassified to current income taxes payable and are reflected in current liabilities held for sale.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(b)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">On the Company's Consolidated Balance Sheets, these amounts were reclassified to noncurrent deferred income tax assets</span></div></td></tr></table>and are reflected in noncurrent assets held for sale.<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ReconciliationofMajorClassesofIncomeAndExpenseTableTextBlock', window );">Reconciliation of major classes of income and expense</a></td>
<td class="text"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The reconciliation of the major classes of income and expense constituting pretax income (loss) from discontinued operations, which includes Dakota Prairie Refining and Fidelity, to the after-tax loss from discontinued operations on the Company's Consolidated Statements of Income for the years ended December&#160;31 were as follows:</span><div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:91.18773946360153%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:58%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>465</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>123,024</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>363,115</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(4,607</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>513,813</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,666,941</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income (loss)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5,072</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(390,789</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,303,826</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other income (expense)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(13</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>306</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,149</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest expense</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>250</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,753</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,124</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income (loss) from discontinued operations before income taxes</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,809</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(392,236</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,302,801</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes*</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>8,592</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(91,882</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(468,721</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(3,783</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(300,354</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(834,080</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to noncontrolling interest</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(131,691</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(35,256</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to the Company</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(3,783</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(168,663</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(798,824</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div>Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_ReconciliationofMajorClassesofIncomeAndExpenseTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Reconciliation of major classes of income and expense related to the disposal group.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_ReconciliationofMajorClassesofIncomeAndExpenseTableTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>nonnum:textBlockItemType</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of long lived assets held for sale. Disclosure may include the description of the facts and circumstances leading to the expected disposal, manner and timing of disposal, the carrying value of the assets held for sale, the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisclosureOfLongLivedAssetsHeldForSaleTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of information related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4B<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721665-107760<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1474-107760<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721683-107760<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=SL51724579-110230<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721675-107760<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4A<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721663-107760<br><br>Reference 9: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 10: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 11: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721659-107760<br><br>Reference 12: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5A<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721671-107760<br><br>Reference 13: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5D<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721677-107760<br></p></div>
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<td><strong> Name:</strong></td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6855055856">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Goodwill and other intangible assets (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract', window );"><strong>Goodwill and Intangible Assets Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfGoodwillTextBlock', window );">Changes in the carrying amount of goodwill</a></td>
<td class="text">The changes in the carrying amount of goodwill for the year ended <span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:83.9080459770115%;border-collapse:collapse;text-align:left;"><tr><td colspan="12"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:14%;"/><td style="width:1%;"/><td style="width:2%;"/><td style="width:1%;"/><td style="width:14%;"/><td style="width:1%;"/><td style="width:2%;"/><td style="width:1%;"/><td style="width:14%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at January&#160;1, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Goodwill Acquired</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">During the Year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="11" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>345,736</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>345,736</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>176,290</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>176,290</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>109,765</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>109,765</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>631,791</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>631,791</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The changes in the carrying amount of goodwill for the year ended </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.65900383141762%;border-collapse:collapse;text-align:left;"><tr><td colspan="16"/></tr><tr><td style="width:41%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at January&#160;1, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">*&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Goodwill Acquired</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">During the Year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Less Held for Sale</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="15" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>345,736</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>345,736</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,737</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,737</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>176,290</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>176,290</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>103,441</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,324</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>109,765</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>635,204</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,324</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,737</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>631,791</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Balance is presented net of accumulated impairment of </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>$12.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> at the pipeline and midstream segment, which occurred in prior periods.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.65900383141762%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock', window );">Other amortizable intangible assets</a></td>
<td class="text">Other amortizable intangible assets at December&#160;31 were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:66%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Customer relationships</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>15,248</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17,145</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated amortization</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>13,382</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,917</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,866</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,228</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Noncompete agreements</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,430</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,430</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,805</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,658</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>625</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>772</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6,990</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,768</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated amortization</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5,644</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,843</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,346</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,925</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3,837</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,925</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16265-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfGoodwillTextBlock">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=35741047&amp;loc=d3e13816-109267<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=35741047&amp;loc=d3e13854-109267<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6851166816">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Regulatory assets and liabilities (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetsAndLiabilitiesDisclosureAbstract', window );"><strong>Regulatory Assets and Liabilities Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfRegulatoryAssetsTextBlock', window );">Regulatory assets</a></td>
<td class="text">The following table summarizes the individual components of unamortized regulatory assets and liabilities as of December&#160;31:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"/></tr><tr><td style="width:53%;"/><td style="width:19%;"/><td style="width:2%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Estimated Recovery</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Period</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">*</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulatory assets:</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pension and postretirement benefits (a)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(e)</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>163,896</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>176,025</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes recoverable from customers (a)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Over plant lives</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>12,073</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>28,278</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Manufactured gas plant sites remediation (a)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>-</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>18,213</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>18,259</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Asset retirement obligations (a)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Over plant lives</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>56,078</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>42,580</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas costs recoverable through rate adjustments (b)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Up to 1 year</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>14,465</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,242</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt refinancing costs (a)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Up to 20 years</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5,563</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,248</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Costs related to identifying generation development (a)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Up to 9 years</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,960</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,407</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other (a) (b)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Up to 20 years</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>27,715</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>30,281</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total regulatory assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>300,963</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>307,320</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulatory liabilities:</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Plant removal and decommissioning costs (c)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>176,190</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>176,972</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes refundable to customers (c)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>279,668</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,010</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pension and postretirement benefits (c)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>11,056</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,099</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas costs refundable through rate adjustments (d)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>28,514</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>25,580</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other (c) (d)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>23,870</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>19,191</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total regulatory liabilities</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>519,298</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>241,852</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net regulatory position</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(218,335</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>65,468</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:6px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Estimated recovery period for regulatory assets currently being recovered in rates charged to customers.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in deferred charges and other assets - other on the Consolidated Balance Sheets.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(b)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in prepayments and other current assets on the Consolidated Balance Sheets.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(c)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in deferred credits and other liabilities - other on the Consolidated Balance Sheets.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(d)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in other accrued liabilities on the Consolidated Balance Sheets.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(e)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Recovered as expense is incurred or cash contributions are made.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfRegulatoryLiabilitiesTextBlock', window );">Regulatory liabilities</a></td>
<td class="text">The following table summarizes the individual components of unamortized regulatory assets and liabilities as of December&#160;31:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"/></tr><tr><td style="width:53%;"/><td style="width:19%;"/><td style="width:2%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Estimated Recovery</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Period</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">*</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulatory assets:</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pension and postretirement benefits (a)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(e)</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>163,896</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>176,025</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes recoverable from customers (a)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Over plant lives</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>12,073</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>28,278</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Manufactured gas plant sites remediation (a)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>-</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>18,213</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>18,259</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Asset retirement obligations (a)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Over plant lives</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>56,078</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>42,580</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas costs recoverable through rate adjustments (b)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Up to 1 year</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>14,465</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,242</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt refinancing costs (a)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Up to 20 years</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5,563</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,248</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Costs related to identifying generation development (a)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Up to 9 years</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,960</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,407</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other (a) (b)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>Up to 20 years</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>27,715</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>30,281</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total regulatory assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>300,963</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>307,320</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulatory liabilities:</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Plant removal and decommissioning costs (c)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>176,190</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>176,972</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Taxes refundable to customers (c)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>279,668</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,010</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pension and postretirement benefits (c)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>11,056</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,099</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas costs refundable through rate adjustments (d)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>28,514</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>25,580</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other (c) (d)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>23,870</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>19,191</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total regulatory liabilities</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>519,298</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>241,852</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net regulatory position</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(218,335</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>65,468</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:6px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Estimated recovery period for regulatory assets currently being recovered in rates charged to customers.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in deferred charges and other 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Gothic,sans-serif;font-size:7.5pt;color:#000000;">(c)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in deferred credits and other liabilities - other on the Consolidated Balance Sheets.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:140%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(d)</span></div></td><td style="vertical-align:top;"><div style="line-height:140%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Included in other accrued liabilities on the Consolidated Balance Sheets.</span></div></td></tr></table><table cellpadding="0" 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of assets that are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44264-110382<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 715<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6501251&amp;loc=d3e52485-110419<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of regulatory liabilities. Detailed information about liabilities that result from rate actions of a regulator. Rate actions of a regulator can impose a liability on a regulated enterprise resulting in a regulatory liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 405<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6500807&amp;loc=d3e48068-110394<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6862625952">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Fair value measurements (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueDisclosuresAbstract', window );"><strong>Fair Value Disclosures [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesTextBlock', window );">Available-for-sale securities</a></td>
<td class="text">Details of available-for-sale securities were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:693px;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:337px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">December&#160;31, 2017</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Cost</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gross</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gains</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gross</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Losses</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Mortgage-backed securities</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,342</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>129</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,217</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. Treasury securities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>205</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>204</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,547</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>130</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,421</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:693px;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:337px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">December&#160;31, 2016</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Cost</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gross</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gains</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Gross</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unrealized</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Losses</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Mortgage-backed securities</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,546</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>105</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,449</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,546</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>105</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,449</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock', window );">Assets and liabilities measured at fair value on a recurring basis</a></td>
<td class="text">The Company's assets measured at fair value on a recurring basis were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">at December&#160;31, 2017, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">in Active</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Markets for</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Identical</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Assets</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Observable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unobservable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;3)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Money market funds</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,965</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,965</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Insurance contract*</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>77,388</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>77,388</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Available-for-sale securities:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Mortgage-backed securities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,217</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,217</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. Treasury securities</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>204</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>204</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>94,774</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>94,774</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The insurance contract invests approximately </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>49</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in fixed-income investments, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>23</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>14</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of mid-cap companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>11</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of small-cap companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>2</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in target date investments and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>1</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in cash equivalents.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">at December&#160;31, 2016, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">in Active</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Markets for</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Identical</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Assets</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Observable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unobservable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;3)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Money market funds</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,602</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,602</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Insurance contract*</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>70,921</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>70,921</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Available-for-sale securities:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Mortgage-backed securities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,449</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,449</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>82,972</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>82,972</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The insurance contract invests approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>52</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in fixed-income investments, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>22</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>13</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of mid-cap companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>10</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of small-cap companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>1</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in target date investments and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>2</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in cash equivalents.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByBalanceSheetGroupingTextBlock', window );">Fair value of long-term debt outstanding</a></td>
<td class="text">The estimated fair value of the Company's Level&#160;2 long-term debt at December&#160;31 was as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td colspan="6" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Carrying</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Amount</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Fair</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Carrying</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Amount</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,714,853</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,826,256</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,790,159</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,841,885</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=77997519&amp;loc=d3e13476-108611<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=66048111&amp;loc=d3e19207-110258<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=77997519&amp;loc=d3e13467-108611<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=75026489&amp;loc=d3e13220-108610<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=75031198&amp;loc=d3e14172-108612<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77997519&amp;loc=d3e13433-108611<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).</p></div>
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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6851146224">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Debt (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtDisclosureAbstract', window );"><strong>Debt Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfLineOfCreditFacilitiesTextBlock', window );">Outstanding credit facilities</a></td>
<td class="text">The following table summarizes the outstanding revolving credit facilities of the Company and its subsidiaries:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="20"/></tr><tr><td style="width:13%;"/><td style="width:22%;"/><td style="width:3%;"/><td style="width:1%;"/><td style="width:6%;"/><td style="width:1%;"/><td style="width:3%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:3%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:3%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:3%;"/><td style="width:12%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Company</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Facility</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Facility</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Limit</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Amount Outstanding&#160;at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Amount Outstanding&#160;at December&#160;31,</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Letters of</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Credit at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Expiration</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Date</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="17" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In millions)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">MDU Resources Group, Inc.</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial paper/Revolving credit agreement</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(a)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>175.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>73.8</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>111.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5/8/19</span></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cascade Natural Gas Corporation</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Revolving credit agreement</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>75.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(c)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17.3</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2.2</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(d)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4/24/20</span></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intermountain Gas Company</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Revolving credit agreement</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>85.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(e)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>40.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>20.9</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4/24/20</span></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Centennial Energy Holdings, Inc.</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial paper/Revolving credit agreement</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(f)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>500.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>14.6</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>151.0</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9/23/21</span></span></div></td></tr></table></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The commercial paper program is supported by a revolving credit agreement with various banks (provisions allow for increased borrowings, at the option of the Company on stated conditions, up to a maximum of </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$225.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">). There were no amounts outstanding under the revolving credit agreement.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(b)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Amount outstanding under commercial paper program.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(c)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Certain provisions allow for increased borrowings, up to a maximum of </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$100.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(d)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Outstanding letter(s) of credit reduce the amount available under the credit agreement.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(e)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Certain provisions allow for increased borrowings, up to a maximum of </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$110.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(f)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The commercial paper program is supported by a revolving credit agreement with various banks (provisions allow for increased borrowings, at the option of Centennial on stated conditions, up to a maximum of </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$600.0&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">). There were no amounts outstanding under the revolving credit agreement.</span></div></td></tr></table><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfDebtInstrumentsTextBlock', window );">Long term debt outstanding</a></td>
<td class="text">Long-term debt outstanding was as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:93.10344827586206%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"/></tr><tr><td style="width:57%;"/><td style="width:14%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Weighed Average Interest Rate at December 31, 2017</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">December&#160;31, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Senior Notes due on dates ranging from June 19, 2018 to January&#160;15, 2055</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4.71</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,499,916</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,437,831</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Commercial paper supported by revolving credit agreements</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1.72</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>88,350</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>262,000</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Medium-Term Notes due on dates ranging from September&#160;1, 2020 to March&#160;16, 2029</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6.68</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>50,000</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>50,000</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other notes due on dates ranging from July 1, 2019 to November 30, 2038</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5.24</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>24,982</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24,471</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Credit agreements due on April 24, 2020</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.71</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>57,300</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>21,793</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less unamortized debt issuance costs</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5,694</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,832</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less discount</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>104</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total long-term debt</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,714,853</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,790,159</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less current maturities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>148,499</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>43,598</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net long-term debt</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,566,354</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,746,561</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
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</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock', window );">Schedule of debt maturities</a></td>
<td class="text">Schedule of Debt Maturities <span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Long-term debt maturities, which excludes unamortized debt issuance costs and discount, for the five years and thereafter following </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="19"/></tr><tr><td style="width:28%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2019</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2020</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2021</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2022</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Thereafter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Long-term debt maturities</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>148,499</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>125,504</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>73,012</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,312</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>147,214</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,211,007</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21475-112644<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 470<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=75038535&amp;loc=d3e64711-112823<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(e),(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=64930739&amp;loc=d3e28878-108400<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21538-112644<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21506-112644<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1A<br> -URI http://asc.fasb.org/extlink&amp;oid=64930785&amp;loc=d3e28541-108399<br><br>Reference 9: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=64930785&amp;loc=d3e28551-108399<br><br>Reference 10: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21521-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(e),(f))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6802200&amp;loc=d3e1835-112601<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6877603856">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Asset Retirement Obligations (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationAbstract', window );"><strong>Asset Retirement Obligation [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock', window );">Reconciliation of the company's asset retirement obligation</a></td>
<td class="text">A reconciliation of the Company's liability, which is included in other accrued liabilities and deferred credits and other liabilities - other on the Consolidated Balance Sheets, for the years ended December&#160;31 was as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:66%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at beginning of year</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>314,970</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>242,224</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Liabilities incurred</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>15,110</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,114</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Liabilities settled</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(4,981</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(4,338</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accretion expense*</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>16,839</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,918</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Revisions in estimates</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>31</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>48,052</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance at end of year</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>341,969</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>314,970</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:8.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Includes </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$15.6&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$12.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> in 2017 and 2016, respectively, related to regulatory assets.</span></div></td></tr></table><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span></span>
</td>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13201-110859<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfChangeInAssetRetirementObligationTableTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>54
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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6851146224">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Preferred Stocks (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockDisclosuresAbstract', window );"><strong>Class of Stock Disclosures [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PreferredStockTableTextBlock', window );">Preferred stock</a></td>
<td class="text">Preferred stocks at December&#160;31 were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:66%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands, except shares</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">and per share amounts)</span></div></td><td style="vertical-align:bottom;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Authorized:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Preferred -</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">500,000 shares, cumulative, par value $100, issuable in series</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Preferred stock A -</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:18px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">1,000,000 shares, cumulative, without par value, issuable in series (none outstanding)</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Preference -</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:18px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">500,000 shares, cumulative, without par value, issuable in series (none outstanding)</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Outstanding:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.50% Series - 100,000 shares</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,000</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">4.70% Series - 50,000 shares</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,000</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total preferred stocks</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,000</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PreferredStockTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of preferred stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PreferredStockTableTextBlock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfStockDisclosuresAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6853105232">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Stock-Based Compensation (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationAbstract', window );"><strong>Share-based Compensation [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_TargetGrantsPerformanceSharesTableTextBlock', window );">Target grants performance share</a></td>
<td class="text">Target grants of performance shares outstanding at <span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:515px;border-collapse:collapse;text-align:left;"><tr><td colspan="4"/></tr><tr><td style="width:337px;"/><td style="width:89px;"/><td style="width:86px;"/><td style="width:3px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">Grant Date</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Performance</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Period</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Target Grant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">of Shares</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">February 2016</span></div></td><td style="vertical-align:top;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:normal;">2016-2018</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>258,825</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">March 2016</span></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:normal;">2016-2018</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,151</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">February 2017</span></div></td><td style="vertical-align:top;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2017-2019</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>164,558</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock', window );">Schedule of share-based payment award, performance shares, valuation assumptions</a></td>
<td class="text">Assumptions used for grants of performance shares issued in <span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> were:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:696px;border-collapse:collapse;text-align:left;"><tr><td colspan="19"/></tr><tr><td style="width:266px;"/><td style="width:64px;"/><td style="width:8px;"/><td style="width:22px;"/><td style="width:8px;"/><td style="width:32px;"/><td style="width:8px;"/><td style="width:61px;"/><td style="width:8px;"/><td style="width:22px;"/><td style="width:9px;"/><td style="width:31px;"/><td style="width:8px;"/><td style="width:60px;"/><td style="width:8px;"/><td style="width:22px;"/><td style="width:9px;"/><td style="width:31px;"/><td style="width:8px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average grant-date fair value</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>$24.31</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>$14.60</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>$18.98</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Blended volatility range</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>22.70</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>25.56</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>29.25</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>32.51</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>22.86</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24.61</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Risk-free interest rate range</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.69</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1.61</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.47</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.92</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.05</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8211;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1.07</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average discounted dividends per share</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>$1.70</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>$1.56</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>$1.57</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfNonvestedPerformanceBasedUnitsActivityTableTextBlock', window );">Summary of the status of the performance share awards</a></td>
<td class="text">A summary of the status of the performance share awards for the year ended <span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, was as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="6"/></tr><tr><td style="width:72%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Number of</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Shares</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Weighted</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Average</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Grant-Date</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonvested at beginning of period</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>664,188</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>21.47</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Granted</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>203,646</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24.31</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Additional performance shares earned</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>81,643</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>19.22</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Vested</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>360,319</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24.88</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Forfeited</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>163,624</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24.46</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonvested at end of period</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>425,534</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>18.35</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_TargetGrantsPerformanceSharesTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Target grants performance shares [Table Text Block]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_TargetGrantsPerformanceSharesTableTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>nonnum:textBlockItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan.  Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5047-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock</td>
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<td>duration</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the changes in outstanding nonvested performance-based units.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationAbstract</td>
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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6769878560">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income Taxes (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock', window );">Components of income before income taxes</a></td>
<td class="text">The components of income before income taxes from continuing operations for each of the years ended December&#160;31 were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:61%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">United States</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>350,064</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>326,252</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>248,379</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Foreign</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(37</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(24</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,326</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income before income taxes from continuing operations</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>350,027</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>326,228</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>247,053</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock', window );">Income tax expense</a></td>
<td class="text">Income tax expense from continuing operations for the years ended December&#160;31 was as follows: <div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:61%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Current:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Federal</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>74,272</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>81,989</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>85,897</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">State</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>16,192</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,190</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10,093</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Foreign</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>30</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>90,464</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>95,181</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>96,020</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Federal</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(24,497</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,102</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(19,632</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">State</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(864</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,184</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(5,304</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Investment tax credit - net</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(62</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,131</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(420</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(25,423</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,049</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(25,356</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total income tax expense</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>65,041</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>93,132</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>70,664</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock', window );">Deferred tax assets and deferred tax liabilities</a></td>
<td class="text">Components of deferred tax assets and deferred tax liabilities at December&#160;31 were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:86.97318007662835%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:70%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:52px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred tax assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Postretirement</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>55,736</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>87,872</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Compensation-related</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>16,298</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>44,995</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Alternative minimum tax credit carryforward</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>37,683</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>29,338</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Federal renewable energy credit</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>19,367</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>16,944</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Customer advances</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>8,712</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,524</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Legal and environmental contingencies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7,363</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,895</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Asset retirement obligations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6,380</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8,867</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>35,738</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>46,957</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total deferred tax assets</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>187,277</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>258,392</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred tax liabilities:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Depreciation and basis differences on property, plant and equipment</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>429,577</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>774,838</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Postretirement</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>43,505</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>70,670</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intangible asset amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>16,979</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>26,413</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>32,591</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>45,580</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total deferred tax liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>522,652</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>917,501</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Valuation allowance</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>11,896</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,117</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net deferred income tax liability</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>347,271</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>668,226</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfChangeInNetDeferredIncomeTaxLiabilityReconciliationTableTextBlock', window );">Schedule of change in net deferred income tax liability reconciliation</a></td>
<td class="text">The following table reconciles the change in the net deferred income tax liability from <span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, to </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, to deferred income tax benefit:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="4"/></tr><tr><td style="width:83%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Change in net deferred income tax liability from the preceding table</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(320,955</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred taxes associated with other comprehensive loss</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,182</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred taxes associated with TCJA enactment for regulated activities</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;"><span>285,520</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>8,830</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred income tax benefit for the period</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(25,423</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock', window );">Reconciliation of income tax expense (benefit) at statutory federal rate versus actual rate</a></td>
<td class="text">Total income tax expense differs from the amount computed by applying the statutory federal income tax rate to income before taxes. The reasons for this difference were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="16"/></tr><tr><td style="width:52%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:5%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:5%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:5%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years ended December&#160;31,</span></div></td><td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td colspan="5" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">Amount</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Amount</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Amount</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="15" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(Dollars in thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Computed tax at federal statutory rate</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>122,509</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>35.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>114,179</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>35.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>86,468</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>35.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Increases (reductions) resulting from:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">State income taxes, net of federal income tax</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>10,724</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.1</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,027</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2.8</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8,208</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3.3</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Federal renewable energy credit</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(13,958</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(4.0</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(13,544</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(4.2</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,400</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1.4</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Tax compliance and uncertain tax positions</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(643</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(.2</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,028</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.9</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,607</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Domestic production deduction</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(6,849</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(2.0</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,251</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1.9</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,842</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2.8</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">TCJA revaluation</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(47,242</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(13.5</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">TCJA revaluation related to accumulated other comprehensive loss balance</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7,735</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2.2</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(7,235</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(2.0</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(7,251</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2.3</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(11,163</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(4.5</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total income tax expense</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>65,041</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>18.6</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>93,132</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>28.5</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>70,664</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>28.6</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_ScheduleOfChangeInNetDeferredIncomeTaxLiabilityReconciliationTableTextBlock">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Schedule of Change in Net Deferred Income Tax Liability Reconciliation [Table Text Block]</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxDisclosureAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of income before income tax between domestic and foreign jurisdictions.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(h)(1)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6858655904">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Cash flow information (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SupplementalCashFlowInformationAbstract', window );"><strong>Supplemental Cash Flow Information [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock', window );">Cash expenditures for interest and income taxes and noncash investing transactions</a></td>
<td class="text">Cash expenditures for interest and income taxes for the years ended December&#160;31 were as follows:<div style="line-height:140%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:88.97485493230174%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:55%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:13%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest, net*</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>79,638</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>87,920</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>88,775</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes paid, net**</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>112,137</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>105,908</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>61,405</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:6px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Capitalized interest and AFUDC - borrowed was </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$966,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$914,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$9.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> for the years ended December&#160;31, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, respectively.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">**</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Income taxes paid, net of discontinued operations, were </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$9.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$1.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$2.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> for the years ended December&#160;31, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2015</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, respectively.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:88.97485493230174%;border-collapse:collapse;text-align:left;"><tr><td colspan="4"/></tr><tr><td style="width:55%;"/><td style="width:15%;"/><td style="width:15%;"/><td style="width:15%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Noncash investing transactions at December&#160;31 were as follows:</span></div><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:612px;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:345px;"/><td style="width:8px;"/><td style="width:78px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Property, plant and equipment additions in accounts payable</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>29,263</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>22,712</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>39,754</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of supplemental cash flow information for the periods presented.</p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6858644464">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Business segment data (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingAbstract', window );"><strong>Segment Reporting [Abstract]</strong></a></td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock', window );">Information on the Company's businesses</a></td>
<td class="text">Information on the Company's segments as of December&#160;31 and for the years then ended was as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:61%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">External operating revenues:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>342,805</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>322,356</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>280,615</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>848,388</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>766,115</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>817,419</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>53,566</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>52,983</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>51,004</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,244,759</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,141,454</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,149,038</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonregulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>19,602</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>39,602</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>54,281</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,811,964</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,873,696</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,901,530</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,366,317</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,072,663</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>907,767</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>709</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,413</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,436</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3,198,592</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,987,374</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,865,014</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total external operating revenues</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,443,351</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,128,828</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,014,052</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment operating revenues:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>48,867</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>48,794</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>49,065</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>48,867</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>48,794</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>49,065</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonregulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>178</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>223</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>554</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>565</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>574</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,752</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,285</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>609</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>18,660</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7,165</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,230</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,755</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>9,193</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8,636</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>29,721</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(58,060</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(57,430</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(78,786</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total intersegment operating revenues</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Depreciation, depletion and amortization:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>47,715</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>50,220</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>37,583</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>69,381</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>65,426</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>64,756</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>16,788</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24,885</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>27,981</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>55,862</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>58,413</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>65,937</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>15,739</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,307</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,420</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,001</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,067</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,070</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total depreciation, depletion and amortization</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>207,486</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>216,318</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>211,747</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest expense:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>25,377</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24,982</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17,421</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>31,234</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>30,405</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>29,471</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,990</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,903</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,895</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>14,778</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,265</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,183</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3,742</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,059</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,959</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3,564</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,854</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>15,853</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(897</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(620</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(603</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total interest expense</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>82,788</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>87,848</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>91,179</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:61%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income taxes:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7,699</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,449</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,523</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>22,756</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>9,181</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,377</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>12,281</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>12,408</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,505</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5,405</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>60,625</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>41,619</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>25,558</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17,748</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>16,432</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(1,809</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,028</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(9,834</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(6,849</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,251</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(7,958</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total income taxes</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>65,041</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>93,132</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>70,664</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) on common stock:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Regulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>49,366</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>42,222</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>35,914</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>32,225</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>27,102</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>23,607</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>20,620</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>22,060</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>20,680</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>102,211</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>91,384</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>80,201</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Nonregulated operations:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(127</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,375</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(7,430</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>123,398</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>102,687</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>89,096</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>53,306</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>33,945</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>23,762</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(1,422</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,231</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(14,941</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>175,155</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>134,776</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>90,487</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Intersegment eliminations (a)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6,849</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,251</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,016</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings on common stock before loss from discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>284,215</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>232,411</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>175,704</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations, net of tax (a)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(3,783</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(300,354</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(834,080</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to noncontrolling interest</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(131,691</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(35,256</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total earnings (loss) on common stock</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>280,432</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>63,748</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(623,120</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Capital expenditures:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>109,107</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>111,134</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>332,876</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>146,981</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>126,272</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>130,793</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>31,054</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>34,467</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>18,315</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>44,302</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>37,845</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>48,126</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>18,630</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>60,344</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>38,269</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,850</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,358</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,755</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total capital expenditures (b)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>351,924</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>372,420</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>572,134</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric (c)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,470,922</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,406,694</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,325,858</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution (c)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,201,081</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,099,296</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,038,433</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>566,295</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>550,615</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>591,651</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,238,696</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,220,459</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,261,963</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>591,382</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>513,093</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>442,845</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other (d)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>261,419</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>283,255</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>287,940</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets held for sale</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,871</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>211,055</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>616,464</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6,334,666</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,284,467</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,565,154</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:21px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:21px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:21px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:21px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:61%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-bottom:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Property, plant and equipment:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Electric (c)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,982,264</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,888,613</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,786,148</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Natural gas distribution (c)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,319,845</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,179,413</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,076,581</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pipeline and midstream</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>700,284</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>672,199</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>758,729</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction materials and contracting</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,560,048</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,549,375</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,553,428</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Construction services</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>177,265</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>171,361</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>163,279</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>31,123</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>49,268</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>49,537</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation, depletion and amortization</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,691,641</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,578,902</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,489,322</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net property, plant and equipment</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4,079,188</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,931,327</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,898,380</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(a)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(b)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Capital expenditures for 2017, 2016 and 2015 include noncash capital expenditure-related accounts payable and AFUDC, totaling </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$10.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$(15.8)&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$35.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, respectively.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(c)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Includes allocations of common utility property.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:18px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">(d)</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Includes assets not 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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 30<br> -URI http://asc.fasb.org/extlink&amp;oid=68060357&amp;loc=d3e8906-108599<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 25<br> -URI http://asc.fasb.org/extlink&amp;oid=68060357&amp;loc=d3e8813-108599<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 21<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=68060357&amp;loc=d3e8721-108599<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=35741047&amp;loc=d3e13816-109267<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -URI http://asc.fasb.org/extlink&amp;oid=68060357&amp;loc=d3e8736-108599<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6766974032">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Employee Benefit Plans (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CompensationAndRetirementDisclosureAbstract', window );"><strong>Retirement Benefits [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock', window );">Schedule of amounts recognized in balance sheet</a></td>
<td class="text">Changes in benefit obligation and plan assets for the years ended <span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, and amounts recognized in the Consolidated Balance Sheets at </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension Benefits</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Postretirement Benefits</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Change in benefit obligation:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Benefit obligation at beginning of year</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>436,307</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>442,960</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>89,304</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>92,734</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Service cost</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,508</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,647</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest cost</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>16,207</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17,218</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3,265</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,688</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Plan participants' contributions</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,368</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,405</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Actuarial (gain) loss</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>19,119</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,882</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,781</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,872</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Benefits paid</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(25,710</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(25,753</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(6,020</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,298</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Benefit obligation at end of year</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>445,923</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>436,307</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>91,206</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>89,304</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Change in net plan assets:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Fair value of plan assets at beginning of year</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>333,509</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>332,667</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>82,846</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>82,593</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Actual gain on plan assets</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>45,473</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>26,595</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>9,612</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,184</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Employer contribution</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,112</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>933</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>962</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Plan participants' contributions</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,368</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,405</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Benefits paid</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(25,710</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(25,753</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(6,020</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,298</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Fair value of net plan assets at end of year</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>354,384</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>333,509</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>88,739</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>82,846</span></span></div></td><td style="vertical-align:bottom;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Funded status - under</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(91,539</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(102,798</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(2,467</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,458</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amounts recognized in the Consolidated</span></div><div style="padding-left:24px;text-indent:-18px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Balance Sheets at December&#160;31:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred charges and other assets - other</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>19,114</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,131</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other accrued liabilities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>612</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>538</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Deferred credits and other liabilities - other</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>91,539</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>102,798</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>20,969</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>19,051</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Benefit obligation liabilities - net amount recognized</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(91,539</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(102,798</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(2,467</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,458</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amounts recognized in accumulated other comprehensive (income) loss or regulatory assets (liabilities) consist of:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Actuarial loss</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>186,486</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>198,668</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>13,423</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17,470</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Prior service credit</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(11,632</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(13,003</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>186,486</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>198,668</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,791</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,467</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAccumulatedAndProjectedBenefitObligationsTableTextBlock', window );">The projected benefit obligation, accumulated benefit obligation and fair value of plan assets for the pension plans with accumulated benefit obligations in excess of plan assets</a></td>
<td class="text">The pension plans all have accumulated benefit obligations in excess of plan assets. The projected benefit obligation, accumulated benefit obligation and fair value of plan assets for these plans at December&#160;31 were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:74%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Projected benefit obligation</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>445,923</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>436,307</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Accumulated benefit obligation</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>445,923</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>436,307</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Fair value of plan assets</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>354,384</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>333,509</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock', window );">Components of net periodic benefit cost</a></td>
<td class="text">Components of net periodic benefit cost (credit) for the Company's pension and other postretirement benefit plans for the years ended December&#160;31 were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="19"/></tr><tr><td style="width:40%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension Benefits</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Postretirement Benefits</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Components of net periodic benefit cost (credit):</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Service cost</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>86</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,508</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,647</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,816</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Interest cost</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>16,207</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17,218</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>17,141</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3,265</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,688</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,607</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Expected return on assets</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(20,528</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(20,924</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(22,254</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(4,641</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(4,533</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(4,795</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amortization of prior service cost (credit)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>36</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(1,371</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,371</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,371</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Recognized net actuarial loss</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6,355</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,215</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,016</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>857</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,491</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,960</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Curtailment loss</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>258</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net periodic benefit cost (credit), including amount capitalized</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2,034</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,509</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,283</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(382</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>922</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,217</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less amount capitalized</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>310</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>381</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>316</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(370</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(52</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>120</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net periodic benefit cost (credit)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,724</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,128</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,967</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(12</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>974</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,097</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Other changes in plan assets and benefit obligations recognized in accumulated comprehensive (income) loss or regulatory assets (liabilities):</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net (gain) loss</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(5,827</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,789</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8,257</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(3,190</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,523</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,336</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amortization of actuarial loss</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(6,355</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,215</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(7,016</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(857</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,491</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,960</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Amortization of prior service (cost) credit</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(294</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,371</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,371</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,371</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total recognized in accumulated other comprehensive (income) loss or regulatory assets (liabilities)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(12,182</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(10,004</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>947</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(2,676</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(3,643</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(1,925</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total recognized in net periodic benefit cost (credit), accumulated other comprehensive (income) loss and regulatory assets (liabilities)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(10,458</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(7,876</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,914</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(2,688</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(2,669</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(828</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAssumptionsUsedTableTextBlock', window );">Weighted average assumptions used to determine benefit obligations and net periodic benefit costs</a></td>
<td class="text">Weighted average assumptions used to determine benefit obligations at December&#160;31 were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"/></tr><tr><td style="width:48%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension Benefits</span></div></td><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Postretirement Benefits</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discount rate</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.38</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3.83</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.41</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3.86</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Expected return on plan assets</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Rate of compensation increase</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.00</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3.00</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr></table></div><div style="line-height:140%;padding-top:14px;text-align:left;font-size:10pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">Weighted average assumptions used to determine net periodic benefit cost for the years ended December&#160;31 were as follows:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="9"/></tr><tr><td style="width:48%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/><td style="width:12%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension Benefits</span></div></td><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Postretirement Benefits</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discount rate</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.83</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4.00</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.86</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4.06</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Expected return on plan assets</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>6.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>5.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5.75</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Rate of compensation increase</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">N/A</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>3.00</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3.00</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> </span></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfHealthCareCostTrendRatesTableTextBlock', window );">Health care rate assumptions for the Company's other postretirement benefit plans</a></td>
<td class="text">Health care rate assumptions for the Company's other postretirement benefit plans as of December&#160;31 were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:516px;border-collapse:collapse;text-align:left;"><tr><td colspan="11"/></tr><tr><td style="width:297px;"/><td style="width:44px;"/><td style="width:8px;"/><td style="width:17px;"/><td style="width:31px;"/><td style="width:8px;"/><td style="width:44px;"/><td style="width:8px;"/><td style="width:17px;"/><td style="width:29px;"/><td style="width:8px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Health care trend rate assumed for next year</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7.5</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;font-weight:bold;">&#8211;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>8.5</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>8.6</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#8211;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>10.7</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Health care cost trend rate - ultimate</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>4.5</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">%</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4.5</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">%</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Year in which ultimate trend rate achieved</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>2024</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2024</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfEffectOfOnePercentagePointChangeInAssumedHealthCareCostTrendRatesTableTextBlock', window );">Assumed health care cost trend rates</a></td>
<td class="text">Assumed health care cost trend rates may have a significant effect on the amounts reported for the health care plans. A one&#160;percentage point change in the assumed health care cost trend rates would have had the following effects at <span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:511px;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:337px;"/><td style="width:9px;"/><td style="width:75px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:75px;"/><td style="width:3px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">1&#160;Percentage</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Point Increase</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">1&#160;Percentage</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Point Decrease</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Effect on total of service and interest cost components</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>306</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(247</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Effect on postretirement benefit obligation</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,433</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(4,551</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock', window );">The fair value of the pension and postretirement net plan assets by class</a></td>
<td class="text">The fair value of the Company's pension plans' assets (excluding cash) by class were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;at December&#160;31, 2017, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">in Active</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Markets for</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Identical</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Assets</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Observable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unobservable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;3)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash equivalents</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,814</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3,814</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity securities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. companies</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,345</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>13,345</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">International companies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,766</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,766</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Collective and mutual funds*</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>171,822</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>67,749</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>239,571</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Corporate bonds</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>74,956</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>74,956</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Municipal bonds</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>16,839</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>16,839</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. Government securities</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,038</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,038</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>187,971</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>163,358</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>351,329</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Collective and mutual funds invest approximately </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>31</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of international companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>28</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>19</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>7</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in cash equivalents, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>1</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in U.S. Government securities and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>14</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in other investments.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:140%;padding-top:10px;text-align:left;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;at December&#160;31, 2016, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">in Active</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Markets for</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Identical</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Assets</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Observable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unobservable</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;Inputs</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;(Level&#160;3)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash equivalents</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,347</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,347</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity securities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. companies</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,348</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,348</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">International companies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,584</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,584</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Collective and mutual funds*</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>162,055</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>64,052</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>226,107</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Corporate bonds</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>68,677</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>68,677</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Municipal bonds</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,002</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>11,002</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. Government securities</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,352</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,044</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>6,396</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>179,339</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>152,122</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>331,461</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Collective and mutual funds invest approximately </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>29</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of international companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>21</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>20</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>8</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in cash equivalents, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>7</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in U.S. Government securities and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>15</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in other investments.</span></div></td></tr></table><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div>The fair value of the Company's other postretirement benefit plans' assets (excluding cash) by asset class were as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;at December&#160;31, 2017, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices<br/>in Active<br/>Markets for<br/>Identical<br/>Assets<br/>&#160;(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant<br/>Other<br/>Observable<br/>Inputs<br/>&#160;(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unobservable<br/> Inputs<br/>&#160;(Level&#160;3)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash equivalents</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,815</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4,815</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity securities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. companies</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,316</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,316</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">International companies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>4</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Insurance contract*</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>3</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>81,601</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>81,604</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,323</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>86,416</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>88,739</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The insurance contract invests approximately </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>38</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>23</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>21</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in U.S. Government securities, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>9</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in mortgage-backed securities and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>9</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in other investments.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><div style="line-height:120%;padding-top:10px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fair Value Measurements</span></div><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;at December&#160;31, 2016, Using</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quoted Prices<br/>in Active<br/>Markets for<br/>Identical<br/>Assets<br/>&#160;(Level&#160;1)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant<br/>Other<br/>Observable<br/>Inputs<br/>&#160;(Level&#160;2)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Significant</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Unobservable<br/> Inputs<br/>&#160;(Level&#160;3)</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Balance at December&#160;31, 2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Assets:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Cash equivalents</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>250</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>250</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Equity securities:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">U.S. companies</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,328</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,328</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:20px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">International companies</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Insurance contract*</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>80,263</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>80,263</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Total assets measured at fair value</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>2,333</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>80,513</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>82,846</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:12px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:0px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">*</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">The insurance contract invests approximately </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>38</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>25</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>20</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in U.S. Government securities, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>9</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in mortgage-backed securities and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>8</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in other investments.</span></div></td></tr></table><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.61685823754789%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock', window );">Benefit payments expected to be paid</a></td>
<td class="text">The following benefit payments, which reflect future service, as appropriate, and expected Medicare Part&#160;D subsidies are as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:515px;border-collapse:collapse;text-align:left;"><tr><td colspan="10"/></tr><tr><td style="width:248px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/><td style="width:9px;"/><td style="width:76px;"/><td style="width:3px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Years</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Benefits</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Postretirement Benefits</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Expected</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Medicare</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Part&#160;D&#160;Subsidy</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>25,111</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,490</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>152</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2019</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>25,280</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,525</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>147</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2020</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>25,587</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,396</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>141</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2021</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>25,866</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,391</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>132</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2022</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>26,185</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>5,470</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>123</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2023 - 2027</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>130,994</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>27,106</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>454</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfMultiemployerPlansTableTextBlock', window );">Multiemployer plans</a></td>
<td class="text"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.23371647509579%;border-collapse:collapse;text-align:left;"><tr><td colspan="18"/></tr><tr><td style="width:13%;"/><td style="width:13%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:6%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:6%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:6%;"/><td style="width:1%;"/><td style="width:8%;"/><td style="width:13%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">EIN/Pension Plan&#160;Number</span></div></td><td colspan="4" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension Protection&#160;Act Zone&#160;Status</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">FIP/RP Status Pending/Implemented</span></div></td><td colspan="9" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Contributions</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Surcharge Imposed</span></div></td><td rowspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Expiration Date</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">of&#160;Collective</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Bargaining</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Agreement</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Pension&#160;Fund</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2015</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="9" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Alaska Laborers-Employers Retirement Fund</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">91-6028298-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Yellow as of 6/30/2017</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Yellow as of 6/30/2016</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>Implemented</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>690</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>766</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>917</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>12/31/2018</span></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Edison Pension Plan</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">93-6061681-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>12,725</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>6,242</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>5,517</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>6/30/2019</span></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">IBEW Local No. 82 Pension Plan</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">31-6127268-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 6/30/2017</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 6/30/2016</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>1,757</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>2,560</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>2,252</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>12/1/2019</span></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">IBEW Local 212 Pension Trust Fund</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">31-6127280-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 4/30/2016</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Yellow as of 4/30/2015</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>1,312</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>1,146</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>937</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>6/2/2019</span></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">IBEW Local No. 357 Pension Plan A</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">88-6023284-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>3,286</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>3,016</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>1,896</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>5/31/2018</span></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">IBEW Local 648 Pension Plan</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">31-6134845-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red as of 2/28/2017</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red as of 2/29/2016</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>Implemented</span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>2,254</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>773</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>745</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>9/2/2018</span></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Idaho Plumbers and Pipefitters Pension Plan</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">82-6010346-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 5/31/2017</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 5/31/2016</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>1,156</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>1,221</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>1,169</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>9/30/2019</span></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Minnesota Teamsters Construction Division Pension Fund</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">41-6187751-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 11/30/2016</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green as of 11/30/2015</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>826</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>690</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>737</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>4/30/2019</span></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">National Automatic Sprinkler Industry Pension Fund</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">52-6054620-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>Implemented</span></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>718</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>775</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>677</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">7/31/2018-<br/>3/31/2021</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">National Electrical Benefit Fund</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">53-0181657-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Green</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>8,891</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>6,366</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>5,271</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">10/31/2017-<br/>3/31/2021</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Sheet Metal Workers' Pension Plan of Southern CA, AZ and NV</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">95-6052257-001</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Yellow</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>Implemented</span></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>1,016</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>1,087</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>714</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>6/30/2018</span></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Southwest Marine Pension Trust</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">95-6123404-001</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Red</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>Implemented</span></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>48</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>50</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>26</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>No</span></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>1/31/2019</span></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Other funds</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>22,066</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>19,835</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>18,254</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td colspan="7" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Total contributions</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;"><span>56,745</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>44,527</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;"><span>39,112</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span><div style="line-height:140%;padding-top:14px;text-align:left;font-size:8.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">The Company was listed in the plans' Forms&#160;5500 as providing more than 5&#160;percent of the total contributions for the following plans and plan years:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:695px;border-collapse:collapse;text-align:left;"><tr><td colspan="2"/></tr><tr><td style="width:416px;"/><td style="width:278px;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">Pension Fund</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">Year Contributions to Plan Exceeded More Than 5 Percent</span></div><div style="text-align:right;font-size:6.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:6.5pt;">of Total Contributions (as of December&#160;31 of the Plan's Year-End)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Edison Pension Plan</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">IBEW Local 82 Pension Plan</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">IBEW Local 124 Pension Trust Fund</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">IBEW Local 212 Pension Trust Fund</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">IBEW Local 357 Pension Plan A</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">IBEW Local 648 Pension Plan</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Idaho Plumbers and Pipefitters Pension Plan</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">International Union of Operating Engineers Local 701 Pension Trust Fund</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Minnesota Teamsters Construction Division Pension Fund</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Pension and Retirement Plan of Plumbers and Pipefitters Local 525</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2016 and 2015</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of benefit obligations including accumulated benefit obligation and projected benefit obligation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans.  This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(5)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the amounts that are recognized in the balance sheet (or statement of financial position) for pension plans and/or other employee benefit plans, showing separately the assets and current and noncurrent liabilities (if applicable) recognized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the effect of a one-percentage-point increase and the effect of a one-percentage-point decrease in the assumed health care cost trend rates on the aggregate of the service and interest cost components of net periodic postretirement health care benefit costs and the accumulated postretirement benefit obligation for health care benefits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (m)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the assumed health care cost trend rates for the next year used to measure the expected cost of benefits covered by the plans, including the ultimate trend rate(s) and when that rate is expected to be achieved.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (l)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the quantitative and qualitative information related to multiemployer  plans in which the employer participates. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 80<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=65877416&amp;loc=SL14450657-114947<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6857883072">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Jointly owned facilities (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatedOperationsAbstract', window );"><strong>Regulated Operations [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfJointlyOwnedUtilityPlantsTextBlock', window );">Company's share of the cost of utility plant in service and related accumulated depreciation for the stations</a></td>
<td class="text">At December&#160;31, the Company's share of the cost of utility plant in service and related accumulated depreciation for the stations was as follows:<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:74.13793103448276%;border-collapse:collapse;text-align:left;"><tr><td colspan="7"/></tr><tr><td style="width:66%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:15%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7pt;font-weight:bold;">2017</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">2016</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="6" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Big Stone Station:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Utility plant in service</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>158,084</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>157,144</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>51,740</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>49,568</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>106,344</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>107,576</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Coyote Station:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Utility plant in service</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>155,287</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>156,334</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>103,897</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>105,928</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>51,390</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>50,406</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:justify;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Wygen III:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Utility plant in service</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>65,065</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>66,251</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Less accumulated depreciation</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>7,652</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,550</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>57,413</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>58,701</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatedOperationsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatedOperationsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ScheduleOfJointlyOwnedUtilityPlantsTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of proportionate interests in jointly owned utility plants. Includes the amount of plants in service, the accumulated provision for depreciation (if available), the amount of plants under construction, and the proportionate share. The amounts presented may be further subdivided to show amounts applicable to plant subcategories (for example, production, transmission, distribution). Includes statements that the amounts represent the utility's share in each joint plant and that it must provide its own financing. Information concerning two or more generating plants on the same site may be combined. States that the utility's share of direct expenses of the joint plants is included in the corresponding operating expenses on its income statement (for example, fuel, maintenance of plant, other operating expense). If the share of direct expenses is charged to purchased power, then disclose the amount so charged and the proportionate amounts charged to specific operating expenses on the records maintained for the joint plants.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 360<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 10.C)<br> -URI http://asc.fasb.org/extlink&amp;oid=6500719&amp;loc=d3e659983-123033<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ScheduleOfJointlyOwnedUtilityPlantsTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
</div></td></tr>
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<SEQUENCE>61
<FILENAME>R47.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6859955824">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Commitment and Contingencies Disclosure (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommitmentsAndContingenciesDisclosureAbstract', window );"><strong>Commitments and Contingencies Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock', window );">Operating leases</a></td>
<td class="text">The amounts of annual minimum lease payments due under these leases as of <span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were:</span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="19"/></tr><tr><td style="width:28%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2019</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2020</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2021</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2022</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Thereafter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating leases</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>55,511</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>45,307</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>33,168</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>18,562</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>7,047</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>40,833</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentTextBlock', window );">Purchase commitments</a></td>
<td class="text">The commitments under these contracts as of <span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;text-decoration:none;">December&#160;31, 2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">, were: </span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="19"/></tr><tr><td style="width:28%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:10%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2018</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2019</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2020</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2021</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">2022</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Thereafter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="18" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">(In thousands)</span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Purchase commitments</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>360,751</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>215,005</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>162,424</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>135,334</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>99,068</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>773,820</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span></span>
</td>
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</table>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommitmentsAndContingenciesDisclosureAbstract">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommitmentsAndContingenciesDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=77888426&amp;loc=SL77918701-209980<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of key provisions of an arrangement under which the entity has agreed to purchase goods or services over a period of time greater than one year or the normal operating cycle, if longer, including the item for which expenditures will be made, minimum quantities, milestones, time period and committed amount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermPurchaseCommitmentTextBlock</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>nonnum:textBlockItemType</td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6851179056">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Quarterly data (Tables)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_QuarterlyFinancialInformationDisclosureAbstract', window );"><strong>Quarterly Financial Information Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock', window );">Quarterly financial data</a></td>
<td class="text">The following unaudited information shows selected items by quarter for the years <span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;color:#000000;">: </span><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="13"/></tr><tr><td style="width:48%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">First</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quarter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Second</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quarter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Third</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quarter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Fourth</span></div><div style="text-align:right;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">Quarter</span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="12" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:center;font-size:7pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7pt;">(In thousands, except per share amounts)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;text-decoration:underline;">2017</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>937,925</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,067,639</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,272,548</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">$</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,165,239</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>870,813</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>987,960</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,116,171</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,039,695</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>67,112</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>79,679</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>156,377</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>125,544</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income from continuing operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>35,638</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>44,405</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>89,549</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>115,394</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:6px;text-indent:-6px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income (loss) from discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>1,687</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(3,190</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(2,198</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(82</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net income attributable to the Company</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>37,325</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>41,215</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>87,351</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>115,312</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings per common share - basic:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings before discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.18</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.22</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.46</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.59</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.01</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(.01</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(.01</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings per common share - basic</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.19</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.21</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.45</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.59</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings per common share - diluted:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings before discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.18</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.22</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.46</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.59</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.01</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(.01</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>(.01</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings per common share - diluted</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.19</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.21</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.45</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>.59</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average common shares outstanding:</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Basic</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Diluted</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>196,023</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,973</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,783</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic Bold 2,sans-serif;font-size:7.5pt;font-weight:bold;"><span>195,617</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;text-decoration:underline;">2016</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating revenues</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>860,214</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,043,948</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,208,567</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,016,099</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating expenses</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>798,229</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>954,983</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>1,061,883</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>904,613</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Operating income</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>61,985</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>88,965</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>146,684</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>111,486</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Income from continuing operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>31,865</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>46,298</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>88,386</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>66,547</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:12px;text-indent:-12px;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Loss from discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(6,996</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(155,451</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(5,400</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(816</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Net income (loss) attributable to the Company</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>24,869</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(109,153</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>82,986</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>65,731</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - basic:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings before discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.16</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.24</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.45</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.34</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.03</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.80</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.03</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - basic</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.13</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.56</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.42</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.34</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - diluted:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings before discontinued operations</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.16</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.24</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.45</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.33</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Discontinued operations attributable to the Company, net of tax</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.03</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.80</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.03</span></span></div></td><td style="vertical-align:bottom;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>&#8212;</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Earnings (loss) per common share - diluted</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.13</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>(.56</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">)</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.42</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>.33</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Weighted average common shares outstanding:</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">&#160;</span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Basic</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,284</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,304</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;">Diluted</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,284</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,699</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,811</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;"><span>195,889</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span><div style="line-height:120%;padding-top:0px;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> Notes:</span></div><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:12px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Fourth quarter 2016 reflects a reduction to a previously recorded MEPP withdrawal liability of </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>$11.1 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> (before tax). For more information, see Note&#160;</span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;">14</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:12px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">First quarter 2016 has been recast to present the results of operations of Dakota Prairie Refining as discontinued operations, other than certain general and administrative costs and interest expense which were previously allocated to the former refining segment and do not meet the criteria for income (loss) from discontinued operations.</span></div></td></tr></table><table cellpadding="0" cellspacing="0" style="padding-top:0px;font-family:Times New Roman; font-size:10pt;"><tr><td style="width:24px;"/><td/></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:7.5pt;padding-left:12px;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#8226;</span></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:left;font-size:7.5pt;"><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">Fourth quarter 2017 reflects an income tax benefit of </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>$39.5 million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> related to the TCJA. For more information, see Note </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;text-transform:default;">11</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">.</span></div></td></tr></table><div style="line-height:120%;padding-top:0px;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div><span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 270<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)-(j)<br> -URI http://asc.fasb.org/extlink&amp;oid=84173487&amp;loc=d3e1280-108306<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6861042032">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Accounts receivable and allowance for doubtful accounts (Details) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing', window );">Receivables past due 90 days or more</a></td>
<td class="nump">$ 34.7<span></span>
</td>
<td class="nump">$ 29.2<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivable', window );">Allowance for doubtful accounts</a></td>
<td class="nump">$ 8.1<span></span>
</td>
<td class="nump">$ 10.5<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountingPoliciesAbstract">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountingPoliciesAbstract</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllowanceForDoubtfulAccountsReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=84173941&amp;loc=d3e5074-111524<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.4)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Period Type:</strong></td>
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</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Recorded investment in financing receivables that are 90 days or more past due and still accruing.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=84173941&amp;loc=d3e5111-111524<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<DOCUMENT>
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<TEXT>
<html>
<head>
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<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6876290464">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Inventories and natural gas in storage (Details 2) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryLineItems', window );"><strong>Inventory and natural gas in storage [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_AggregatesHeldForResaleInventory', window );">Aggregates held for resale</a></td>
<td class="nump">$ 115,268<span></span>
</td>
<td class="nump">$ 115,471<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_AsphaltOilInventory', window );">Asphalt oil</a></td>
<td class="nump">30,360<span></span>
</td>
<td class="nump">29,103<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnergyRelatedInventoryNaturalGasInStorage', window );">Natural gas in storage (current)</a></td>
<td class="nump">20,950<span></span>
</td>
<td class="nump">25,761<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryRawMaterialsAndSupplies', window );">Materials and supplies</a></td>
<td class="nump">18,650<span></span>
</td>
<td class="nump">18,372<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryFinishedGoods', window );">Merchandise for resale</a></td>
<td class="nump">14,905<span></span>
</td>
<td class="nump">16,437<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherInventoryNetOfReserves', window );">Other</a></td>
<td class="nump">26,450<span></span>
</td>
<td class="nump">33,129<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryNet', window );">Total</a></td>
<td class="nump">226,583<span></span>
</td>
<td class="nump">238,273<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryGasInStorageUndergroundNoncurrent', window );">Natural gas in storage noncurrent</a></td>
<td class="nump">$ 49,300<span></span>
</td>
<td class="nump">$ 49,500<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_AggregatesHeldForResaleInventory">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregated amount of aggregates held for resale. This amount is net of valuation reserves and adjustments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_AggregatesHeldForResaleInventory</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_AsphaltOilInventory">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregated amount of asphalt oil inventory. This amount is net of valuation reserves and adjustments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_AsphaltOilInventory</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EnergyRelatedInventoryNaturalGasInStorage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of natural gas in storage, which is a mixture of gases (liquefied or otherwise), used for fuel and manufacturing purposes, which is ready for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnergyRelatedInventoryNaturalGasInStorage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryFinishedGoods">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryFinishedGoods</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryGasInStorageUndergroundNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of natural gas stored underground in depleted gas reservoirs, aquifers, or salt caverns to meet future seasonal and peak load demands and also as insurance against unforeseen supply disruptions, and deemed to be a noncurrent asset because it is not expected to be used within 12 months or in the normal operating cycle.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryGasInStorageUndergroundNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 35<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=68049868&amp;loc=d3e3927-108312<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryRawMaterialsAndSupplies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a)(4),(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryRawMaterialsAndSupplies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherInventoryNetOfReserves">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after of valuation reserves and allowances, of inventory, classified as other, expected to be sold, or consumed within one year or operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB TOPIC 5.BB)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011343&amp;loc=d3e100047-122729<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherInventoryNetOfReserves</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6942833152">
<tr>
<th class="tl" colspan="2" rowspan="2"><div style="width: 200px;"><strong>Property, plant and equipment (Details 3) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestCostsCapitalized', window );">Interest capitalized</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 4,381<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest', window );">AFUDC - borrowed</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">966<span></span>
</td>
<td class="nump">914<span></span>
</td>
<td class="nump">4,907<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity', window );">AFUDC - equity</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">909<span></span>
</td>
<td class="nump">565<span></span>
</td>
<td class="nump">7,971<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">6,770,829<span></span>
</td>
<td class="nump">6,510,229<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment', window );">Less accumulated depreciation, depletion and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">2,691,641<span></span>
</td>
<td class="nump">2,578,902<span></span>
</td>
<td class="nump">2,489,322<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNet', window );">Net property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">4,079,188<span></span>
</td>
<td class="nump">3,931,327<span></span>
</td>
<td class="nump">3,898,380<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ElectricMember', window );">Electric:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">1,982,264<span></span>
</td>
<td class="nump">1,888,613<span></span>
</td>
<td class="nump">1,786,148<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=mdu_NaturalGasDistributionMember', window );">Natural gas distribution:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">2,319,845<span></span>
</td>
<td class="nump">2,179,413<span></span>
</td>
<td class="nump">2,076,581<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=mdu_PipelineandMidstreamMember', window );">Pipeline and midstream:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">700,284<span></span>
</td>
<td class="nump">672,199<span></span>
</td>
<td class="nump">758,729<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionMaterialsAndContractingMember', window );">Construction materials and contracting:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1,560,048<span></span>
</td>
<td class="nump">1,549,375<span></span>
</td>
<td class="nump">1,553,428<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionServicesMember', window );">Construction services:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">177,265<span></span>
</td>
<td class="nump">171,361<span></span>
</td>
<td class="nump">163,279<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateAndOtherMember', window );">Other:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">31,123<span></span>
</td>
<td class="nump">49,268<span></span>
</td>
<td class="nump">$ 49,537<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Electric: | Generation</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 1,034,765<span></span>
</td>
<td class="nump">1,036,373<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">39 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Electric: | Distribution</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 415,543<span></span>
</td>
<td class="nump">398,382<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">44 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Electric: | Transmission</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 296,941<span></span>
</td>
<td class="nump">284,048<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">57 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Electric: | Construction in progress</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 117,906<span></span>
</td>
<td class="nump">62,212<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Electric: | Other</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 117,109<span></span>
</td>
<td class="nump">107,598<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">15 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Natural gas distribution: | Distribution</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 1,831,795<span></span>
</td>
<td class="nump">1,718,633<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">47 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Natural gas distribution: | Construction in progress</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 19,823<span></span>
</td>
<td class="nump">19,934<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Natural gas distribution: | Other</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 468,227<span></span>
</td>
<td class="nump">440,846<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">18 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Pipeline and midstream: | Transmission</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 516,932<span></span>
</td>
<td class="nump">490,143<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">53 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Pipeline and midstream: | Gathering</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 37,837<span></span>
</td>
<td class="nump">37,831<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">20 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Pipeline and midstream: | Storage</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 45,629<span></span>
</td>
<td class="nump">45,350<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">62 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Pipeline and midstream: | Construction in progress</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 17,488<span></span>
</td>
<td class="nump">16,507<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Pipeline and midstream: | Other</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 41,054<span></span>
</td>
<td class="nump">40,873<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">33 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Pipeline and midstream: | Gathering and processing</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 31,678<span></span>
</td>
<td class="nump">31,682<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">19 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Pipeline and midstream: | Construction in progress</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 17<span></span>
</td>
<td class="nump">13<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Pipeline and midstream: | Other</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 9,649<span></span>
</td>
<td class="nump">9,800<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">10 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Construction materials and contracting: | Land</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 95,745<span></span>
</td>
<td class="nump">94,625<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Construction materials and contracting: | Buildings and improvements</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 102,435<span></span>
</td>
<td class="nump">102,347<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">20 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Construction materials and contracting: | Machinery, vehicles and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 947,979<span></span>
</td>
<td class="nump">930,471<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">12 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Construction materials and contracting: | Construction in progress</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 7,750<span></span>
</td>
<td class="nump">16,181<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Construction materials and contracting: | Aggregate reserves</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="nump">406,139<span></span>
</td>
<td class="nump">405,751<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Construction services: | Land</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">5,216<span></span>
</td>
<td class="nump">5,346<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Construction services: | Buildings and improvements</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 27,351<span></span>
</td>
<td class="nump">26,693<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">25 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Construction services: | Machinery, vehicles and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 137,924<span></span>
</td>
<td class="nump">132,217<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">6 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Construction services: | Other</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 6,774<span></span>
</td>
<td class="nump">7,105<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">4 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Other: | Land</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 2,837<span></span>
</td>
<td class="nump">2,837<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Other: | Other</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, plant and equipment [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 28,286<span></span>
</td>
<td class="nump">$ 46,431<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentUsefulLife', window );">Weighted average depreciable life in years</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">19 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr><td colspan="5"></td></tr>
<tr><td colspan="5"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Includes allocations of common utility property</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">Depleted on the units-of-production method based on recoverable aggregate reserves.<div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.14)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestCostsCapitalized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of interest capitalized during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6450988&amp;loc=d3e26243-108391<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestCostsCapitalized</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.13)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(14))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentUsefulLife">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentUsefulLife</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 835<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6501569&amp;loc=d3e55921-110430<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 835<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6501662&amp;loc=d3e56162-110433<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount capitalized of allowance for funds used during construction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 835<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6501569&amp;loc=d3e55921-110430<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=mdu_ElectricMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=mdu_NaturalGasDistributionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=mdu_NaturalGasDistributionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=mdu_PipelineandMidstreamMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=mdu_PipelineandMidstreamMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionMaterialsAndContractingMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionMaterialsAndContractingMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionServicesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionServicesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateAndOtherMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateAndOtherMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ElectricGenerationEquipmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ElectricGenerationEquipmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ElectricDistributionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ElectricDistributionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ElectricTransmissionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ElectricTransmissionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ConstructionInProgressMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ConstructionInProgressMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_GasDistributionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_GasDistributionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_GasTransmissionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_GasTransmissionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_GasGatheringAndProcessingEquipmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_GasGatheringAndProcessingEquipmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=mdu_GasStorageMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=mdu_GasStorageMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=mdu_GatheringandprocessingMemberDomain">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=mdu_GatheringandprocessingMemberDomain</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingAndBuildingImprovementsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingAndBuildingImprovementsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentByTypeAxis=mdu_AggregateReservesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentByTypeAxis=mdu_AggregateReservesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
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</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>66
<FILENAME>R52.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6858760816">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Impairment of long-lived assets (Details 4) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2015</div></th>
<th class="th"><div>Jun. 30, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetImpairmentCharges', window );">Asset impairment charges</a></td>
<td class="nump">$ 14.1<span></span>
</td>
<td class="nump">$ 3.0<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountingPoliciesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountingPoliciesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetImpairmentCharges">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2420-110228<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetImpairmentCharges</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>67
<FILENAME>R53.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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</head>
<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6860850240">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Goodwill (Details 5)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillLineItems', window );"><strong>Goodwill [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueInputsLongTermRevenueGrowthRate', window );">Long-term growth rate projections</a></td>
<td class="nump">3.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RangeAxis=us-gaap_MinimumMember', window );">Minimum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillLineItems', window );"><strong>Goodwill [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueInputsDiscountRate', window );">Fair value inputs discount rate, range</a></td>
<td class="nump">5.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RangeAxis=us-gaap_MaximumMember', window );">Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillLineItems', window );"><strong>Goodwill [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueInputsDiscountRate', window );">Fair value inputs discount rate, range</a></td>
<td class="nump">9.00%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueInputsDiscountRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value.  For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)<br> -URI http://asc.fasb.org/extlink&amp;oid=66048111&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueInputsDiscountRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueInputsLongTermRevenueGrowthRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of assumed long-term growth in revenues, used as an input to measure fair value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (bbb)<br> -URI http://asc.fasb.org/extlink&amp;oid=66048111&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueInputsLongTermRevenueGrowthRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GoodwillLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GoodwillLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RangeAxis=us-gaap_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RangeAxis=us-gaap_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RangeAxis=us-gaap_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RangeAxis=us-gaap_MaximumMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
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</div></td></tr>
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<DOCUMENT>
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<html>
<head>
<title></title>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6862459792">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Revenue recognition (Details 6) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnbilledReceivablesCurrent', window );">Accrued unbilled revenue at Montana-Dakota, Cascade and Intermountain</a></td>
<td class="nump">$ 112.7<span></span>
</td>
<td class="nump">$ 117.7<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountingPoliciesAbstract">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountingPoliciesAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnbilledReceivablesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnbilledReceivablesCurrent</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6766220880">
<tr>
<th class="tl" colspan="2" rowspan="1"><div style="width: 200px;"><strong>Percentage-of-completion method (Details 7) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrPrograms', window );">Costs and estimated earnings in excess of billings on uncompleted contracts</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 109,541<span></span>
</td>
<td class="nump">$ 64,558<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BillingsInExcessOfCost', window );">Billings in excess of costs and estimated earnings on uncompleted contracts</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">84,123<span></span>
</td>
<td class="nump">64,832<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractReceivableRetainageDueOneYearOrLess', window );">Short-term retainage</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">57,134<span></span>
</td>
<td class="nump">45,109<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractReceivableRetainageDueAfterOneYear', window );">Long-term retainage</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="nump">1,410<span></span>
</td>
<td class="nump">1,506<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ContractReceivableRetainage', window );">Total retainage</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 58,544<span></span>
</td>
<td class="nump">$ 46,615<span></span>
</td>
</tr>
<tr><td colspan="4"></td></tr>
<tr><td colspan="4"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Expected to be paid within one year or less and included in receivables, net.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">Included in deferred charges and other assets - other.</td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountingPoliciesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountingPoliciesAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BillingsInExcessOfCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Liability attributable to (i) billings in excess of costs under the percentage of completion contract accounting method representing the difference between contractually invoiced amounts (billings) and revenue recognized based, for example, on costs incurred to estimated total costs at period end or (ii) contractually invoiced amounts (billings) in excess of costs incurred and accumulated under the completed contract accounting method.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 605<br> -SubTopic 35<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=68068069&amp;loc=d3e57807-111642<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 605<br> -SubTopic 35<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=68068069&amp;loc=d3e57788-111642<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 605<br> -SubTopic 35<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=68068069&amp;loc=d3e57795-111642<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BillingsInExcessOfCost</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ContractReceivableRetainage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount billed to customers under long-term contracts or programs that have been withheld because of retainage provisions in a contract.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 910<br> -SubTopic 310<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=68065756&amp;loc=d3e49370-109356<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.3(c)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ContractReceivableRetainage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ContractReceivableRetainageDueAfterOneYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount billed to customers under long-term contracts or programs that have been withheld because of retainage provisions in a contract to be collected after the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.3(c)(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 910<br> -SubTopic 310<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=68065756&amp;loc=d3e49370-109356<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ContractReceivableRetainageDueAfterOneYear</td>
</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>xbrli:monetaryItemType</td>
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<td>instant</td>
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</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount billed to customers under long-term contracts or programs that have been withheld because of retainage provisions in a contract to be collected in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3)(c))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 910<br> -SubTopic 310<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=68065756&amp;loc=d3e49370-109356<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ContractReceivableRetainageDueOneYearOrLess</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrPrograms">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of receivable reflecting the cost incurred on uncompleted contracts in excess of related billings.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 912<br> -SubTopic 310<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=68054760&amp;loc=d3e55302-109406<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3)(c)(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3)(c)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 605<br> -SubTopic 35<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=68068069&amp;loc=d3e57795-111642<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3)(c)(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 605<br> -SubTopic 35<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=68068069&amp;loc=d3e57807-111642<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CostsInExcessOfBillingsOnUncompletedContractsOrPrograms</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
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<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6851185536">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Natural gas costs recoverable or refundable through rate adjustments (Details 8) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RefundableGasCosts', window );">Natural gas costs refundable</a></td>
<td class="nump">$ 28.5<span></span>
</td>
<td class="nump">$ 25.6<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredGasCost', window );">Natural gas costs recoverable</a></td>
<td class="nump">$ 14.5<span></span>
</td>
<td class="nump">$ 2.2<span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountingPoliciesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredGasCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying amount as of the balance sheet date of capitalized gas costs of a regulated entity that are expected to be recoverable through rate adjustments within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=77907324&amp;loc=d3e43603-110378<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredGasCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RefundableGasCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Gas costs of a regulated entity that are refundable through future rate adjustments. Such costs are a form of a regulatory liabilities and are expected to be refunded in less than one year through rate adjustments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 405<br> -Section 25<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6500807&amp;loc=d3e48068-110394<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RefundableGasCosts</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td>instant</td>
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<head>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6861560784">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income taxes (Details 9)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr><th class="th"><div>Dec. 31, 2017</div></th></tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ThresholdOfLikelihoodOfTaxPositionsBeingRealizedUponUltimateSettlementWithTaxingAuthority', window );">Threshold of likelihood of tax positions being realized upon ultimate settlement with a taxing authority</a></td>
<td class="nump">50.00%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Threshold of likelihood that tax benefits will be realized upon ultimate settlement with a taxing authority.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_ThresholdOfLikelihoodOfTaxPositionsBeingRealizedUponUltimateSettlementWithTaxingAuthority</td>
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<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<td><strong> Balance Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountingPoliciesAbstract</td>
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<td>xbrli:stringItemType</td>
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<td>na</td>
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<td>duration</td>
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<DOCUMENT>
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<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6863498304">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Earnings (loss) per common share (Details 10) - shares<br> shares in Thousands</strong></div></th>
<th class="th" colspan="8">3 Months Ended</th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Sep. 30, 2017</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
<th class="th"><div>Mar. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Sep. 30, 2016</div></th>
<th class="th"><div>Jun. 30, 2016</div></th>
<th class="th"><div>Mar. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Weighted average common shares outstanding - basic</a></td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,284<span></span>
</td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,299<span></span>
</td>
<td class="nump">194,928<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment', window );">Effect of dilutive performance share awards</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">383<span></span>
</td>
<td class="nump">319<span></span>
</td>
<td class="nump">58<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Weighted average common shares outstanding - diluted</a></td>
<td class="nump">195,617<span></span>
</td>
<td class="nump">195,783<span></span>
</td>
<td class="nump">195,973<span></span>
</td>
<td class="nump">196,023<span></span>
</td>
<td class="nump">195,889<span></span>
</td>
<td class="nump">195,811<span></span>
</td>
<td class="nump">195,699<span></span>
</td>
<td class="nump">195,284<span></span>
</td>
<td class="nump">195,687<span></span>
</td>
<td class="nump">195,618<span></span>
</td>
<td class="nump">194,986<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount', window );">Shares excluded from the calculation of diluted earnings per share</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountingPoliciesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountingPoliciesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1505-109256<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1448-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
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</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>73
<FILENAME>R59.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6859032896">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>New accounting standards (Details 11) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems', window );"><strong>New Accounting Pronouncements or Change in Accounting Principle [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability', window );">Income tax expense (benefit), continuing operations, adjustment of deferred tax (asset) liability</a></td>
<td class="num">$ (39,500)<span></span>
</td>
<td class="nump">$ 7,735<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLocationAxis=us-gaap_OtherComprehensiveIncomeMember', window );">Other comprehensive income (loss) [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems', window );"><strong>New Accounting Pronouncements or Change in Accounting Principle [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability', window );">Income tax expense (benefit), continuing operations, adjustment of deferred tax (asset) liability</a></td>
<td class="nump">7,700<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_NewAccountingPronouncementMember', window );">Adjustments for New Accounting Pronouncement [Member] | Other comprehensive income (loss) [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems', window );"><strong>New Accounting Pronouncements or Change in Accounting Principle [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability', window );">Income tax expense (benefit), continuing operations, adjustment of deferred tax (asset) liability</a></td>
<td class="nump">$ 7,700<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLocationAxis=us-gaap_OtherComprehensiveIncomeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLocationAxis=us-gaap_OtherComprehensiveIncomeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_NewAccountingPronouncementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_NewAccountingPronouncementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
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</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>74
<FILENAME>R60.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6878159440">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Comprehensive income (loss) (Details 12) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward', window );"><strong>Accumulated other comprehensive income (loss) [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance</a></td>
<td class="nump">$ 2,316,244<span></span>
</td>
<td class="nump">$ 2,520,548<span></span>
</td>
<td class="nump">$ 3,249,784<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from accumulated other comprehensive loss</a></td>
<td class="num">(1,499)<span></span>
</td>
<td class="num">(3,016)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Net current-period other comprehensive income (loss)</a></td>
<td class="num">(1,601)<span></span>
</td>
<td class="nump">1,415<span></span>
</td>
<td class="nump">4,955<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance</a></td>
<td class="nump">2,429,043<span></span>
</td>
<td class="nump">2,316,244<span></span>
</td>
<td class="nump">2,520,548<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember', window );">Net unrealized gain (loss) on derivative instruments qualifying as hedges</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward', window );"><strong>Accumulated other comprehensive income (loss) [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance</a></td>
<td class="num">(2,300)<span></span>
</td>
<td class="num">(2,667)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax', window );">Other comprehensive loss before reclassifications</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from accumulated other comprehensive loss</a></td>
<td class="nump">366<span></span>
</td>
<td class="nump">367<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ReclassificationFromAccumulatedOtherComprehensiveIncometoRegulatoryAssetCurrentPeriodNetofTax', window );">Amounts reclassified from accumulated other comprehensive loss to a regulatory asset</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Net current-period other comprehensive income (loss)</a></td>
<td class="nump">366<span></span>
</td>
<td class="nump">367<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance</a></td>
<td class="num">(1,934)<span></span>
</td>
<td class="num">(2,300)<span></span>
</td>
<td class="num">(2,667)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember', window );">Postretirement liability adjustment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward', window );"><strong>Accumulated other comprehensive income (loss) [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance</a></td>
<td class="num">(33,221)<span></span>
</td>
<td class="num">(34,257)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax', window );">Other comprehensive loss before reclassifications</a></td>
<td class="num">(1,812)<span></span>
</td>
<td class="num">(1,470)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from accumulated other comprehensive loss</a></td>
<td class="nump">1,013<span></span>
</td>
<td class="nump">2,506<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ReclassificationFromAccumulatedOtherComprehensiveIncometoRegulatoryAssetCurrentPeriodNetofTax', window );">Amounts reclassified from accumulated other comprehensive loss to a regulatory asset</a></td>
<td class="num">(1,143)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Net current-period other comprehensive income (loss)</a></td>
<td class="num">(1,942)<span></span>
</td>
<td class="nump">1,036<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance</a></td>
<td class="num">(35,163)<span></span>
</td>
<td class="num">(33,221)<span></span>
</td>
<td class="num">(34,257)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedTranslationAdjustmentMember', window );">Foreign currency translation adjustment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward', window );"><strong>Accumulated other comprehensive income (loss) [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance</a></td>
<td class="num">(149)<span></span>
</td>
<td class="num">(200)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax', window );">Other comprehensive loss before reclassifications</a></td>
<td class="num">(6)<span></span>
</td>
<td class="nump">51<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from accumulated other comprehensive loss</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ReclassificationFromAccumulatedOtherComprehensiveIncometoRegulatoryAssetCurrentPeriodNetofTax', window );">Amounts reclassified from accumulated other comprehensive loss to a regulatory asset</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Net current-period other comprehensive income (loss)</a></td>
<td class="num">(6)<span></span>
</td>
<td class="nump">51<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance</a></td>
<td class="num">(155)<span></span>
</td>
<td class="num">(149)<span></span>
</td>
<td class="num">(200)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember', window );">Net unrealizaed gasin (loss) on available-for-sale investments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward', window );"><strong>Accumulated other comprehensive income (loss) [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance</a></td>
<td class="num">(63)<span></span>
</td>
<td class="num">(24)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax', window );">Other comprehensive loss before reclassifications</a></td>
<td class="num">(139)<span></span>
</td>
<td class="num">(182)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from accumulated other comprehensive loss</a></td>
<td class="nump">120<span></span>
</td>
<td class="nump">143<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ReclassificationFromAccumulatedOtherComprehensiveIncometoRegulatoryAssetCurrentPeriodNetofTax', window );">Amounts reclassified from accumulated other comprehensive loss to a regulatory asset</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Net current-period other comprehensive income (loss)</a></td>
<td class="num">(19)<span></span>
</td>
<td class="num">(39)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance</a></td>
<td class="num">(82)<span></span>
</td>
<td class="num">(63)<span></span>
</td>
<td class="num">(24)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedOtherComprehensiveIncomeMember', window );">Accumulated other comprehensive loss</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward', window );"><strong>Accumulated other comprehensive income (loss) [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance</a></td>
<td class="num">(35,733)<span></span>
</td>
<td class="num">(37,148)<span></span>
</td>
<td class="num">(42,103)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax', window );">Other comprehensive loss before reclassifications</a></td>
<td class="num">(1,957)<span></span>
</td>
<td class="num">(1,601)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from accumulated other comprehensive loss</a></td>
<td class="nump">1,499<span></span>
</td>
<td class="nump">3,016<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ReclassificationFromAccumulatedOtherComprehensiveIncometoRegulatoryAssetCurrentPeriodNetofTax', window );">Amounts reclassified from accumulated other comprehensive loss to a regulatory asset</a></td>
<td class="num">(1,143)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax', window );">Net current-period other comprehensive income (loss)</a></td>
<td class="num">(1,601)<span></span>
</td>
<td class="nump">1,415<span></span>
</td>
<td class="nump">4,955<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest', window );">Balance</a></td>
<td class="num">$ (37,334)<span></span>
</td>
<td class="num">$ (35,733)<span></span>
</td>
<td class="num">$ (37,148)<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_ReclassificationFromAccumulatedOtherComprehensiveIncometoRegulatoryAssetCurrentPeriodNetofTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Reclassification from accumulated other comprehensive income to regulatory asset current period, net of tax.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_ReclassificationFromAccumulatedOtherComprehensiveIncometoRegulatoryAssetCurrentPeriodNetofTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllowanceForDoubtfulAccountsReceivableRollforward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax, before reclassification adjustments of other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=84158357&amp;loc=d3e1436-108581<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669686-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossBeforeReclassificationsNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherComprehensiveIncomeLossNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax and reclassification adjustments of other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21463-112644<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1A<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669619-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1B<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669625-108580<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=84158357&amp;loc=d3e1436-108581<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherComprehensiveIncomeLossNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of reclassification adjustments of other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669686-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=84158357&amp;loc=d3e1436-108581<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4I<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4590271-111686<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4568740-111683<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4568447-111683<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedTranslationAdjustmentMember</td>
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedOtherComprehensiveIncomeMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6878830336">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Reclassifications out of accumulated other comprehensive (loss) (Details 13) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="num">$ (82,788)<span></span>
</td>
<td class="num">$ (87,848)<span></span>
</td>
<td class="num">$ (91,179)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="num">(65,041)<span></span>
</td>
<td class="num">(93,132)<span></span>
</td>
<td class="num">(70,664)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other income</a></td>
<td class="nump">4,103<span></span>
</td>
<td class="nump">4,956<span></span>
</td>
<td class="nump">18,457<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income (loss)</a></td>
<td class="nump">281,203<span></span>
</td>
<td class="num">(67,258)<span></span>
</td>
<td class="num">$ (657,691)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from accumulated other comprehensive loss</a></td>
<td class="num">(1,499)<span></span>
</td>
<td class="num">(3,016)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember', window );">Reclassification adjustment for loss on derivative instruments included in net income (loss):</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from accumulated other comprehensive loss</a></td>
<td class="nump">366<span></span>
</td>
<td class="nump">367<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember', window );">Reclassification adjustment for loss on derivative instruments included in net income (loss): | Reclassification out of accumulated other comprehensive income [Member] | Interest rate contract [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="num">(590)<span></span>
</td>
<td class="num">(593)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="nump">224<span></span>
</td>
<td class="nump">226<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income (loss)</a></td>
<td class="num">(366)<span></span>
</td>
<td class="num">(367)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember', window );">Amortization of postretirement liability losses included in net periodic benefit cost (credit)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from accumulated other comprehensive loss</a></td>
<td class="nump">1,013<span></span>
</td>
<td class="nump">2,506<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember', window );">Amortization of postretirement liability losses included in net periodic benefit cost (credit) | Reclassification out of accumulated other comprehensive income [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="nump">645<span></span>
</td>
<td class="nump">1,425<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost', window );">Net periodic benefit cost</a></td>
<td class="num">(1,658)<span></span>
</td>
<td class="num">(3,931)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income (loss)</a></td>
<td class="num">(1,013)<span></span>
</td>
<td class="num">(2,506)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedTranslationAdjustmentMember', window );">Reclassification adjustment for loss on foreign currency translation adjustment included in net income (loss)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from accumulated other comprehensive loss</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember', window );">Reclassification adjustment for loss on available-for-sale investments included in net income (loss)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax', window );">Amounts reclassified from accumulated other comprehensive loss</a></td>
<td class="nump">120<span></span>
</td>
<td class="nump">143<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember', window );">Reclassification adjustment for loss on available-for-sale investments included in net income (loss) | Reclassification out of accumulated other comprehensive income [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems', window );"><strong>Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="nump">65<span></span>
</td>
<td class="nump">77<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other income</a></td>
<td class="num">(185)<span></span>
</td>
<td class="num">(220)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net income (loss)</a></td>
<td class="num">$ (120)<span></span>
</td>
<td class="num">$ (143)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of net periodic benefit cost (credit) for defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a),(b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the cost of borrowed funds accounted for as interest expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6450988&amp;loc=d3e26243-108391<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=64930785&amp;loc=d3e28555-108399<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherNonoperatingIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (expense) related to nonoperating activities, classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherNonoperatingIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4K<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4591552-111686<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4569616-111683<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (c)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=84161450&amp;loc=SL4573702-111684<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 55<br> -Paragraph 4J<br> -URI http://asc.fasb.org/extlink&amp;oid=84234705&amp;loc=SL4591551-111686<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1A<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=84161450&amp;loc=SL4573702-111684<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of reclassification adjustments of other comprehensive income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669686-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=84158357&amp;loc=d3e1436-108581<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis=us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis=us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateContractMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateContractMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedTranslationAdjustmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedTranslationAdjustmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>76
<FILENAME>R62.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6865329792">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Pronghorn (Details) - Disposal group, held-for-sale, not discontinued operations [Member] - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Jan. 01, 2017</div></th>
<th class="th"><div>Nov. 21, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems', window );"><strong>Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentofOwnershipToSell', window );">Non-operating ownership interest</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50.00%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration', window );">Proceeds</a></td>
<td class="nump">$ 100<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PercentofOwnershipToSell">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percent of ownership to sell.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PercentofOwnershipToSell</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
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<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupHeldforsaleNotDiscontinuedOperationsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>77
<FILENAME>R63.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6863741152">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Major classes of assets and liabilities held for sale (Details 2) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract', window );"><strong>Current assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent', window );">Total current assets held for sale</a></td>
<td class="nump">$ 14,391<span></span>
</td>
<td class="nump">$ 479<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract', window );"><strong>Noncurrent assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent', window );">Total noncurrent assets held for sale</a></td>
<td class="nump">196,664<span></span>
</td>
<td class="nump">$ 4,392<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_PronghornAssetsHeldforSaleMember', window );">Pronghorn [Member] | Disposal group, held-for-sale, not discontinued operations [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrentAbstract', window );"><strong>Current assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent', window );">Prepayments and other current assets</a></td>
<td class="nump">68<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent', window );">Total current assets held for sale</a></td>
<td class="nump">68<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract', window );"><strong>Noncurrent assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent', window );">Net property, plant and equipment</a></td>
<td class="nump">93,424<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent', window );">Goodwill</a></td>
<td class="nump">9,737<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DisposalGroupIncludingDiscontinuedOperationAllowanceForImpairmentOfAssetsHeldForSaleNonCurrent', window );">Less allowance for impairment of assets held for sale</a></td>
<td class="nump">2,311<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent', window );">Total noncurrent assets held for sale</a></td>
<td class="nump">100,850<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation', window );">Total assets held for sale</a></td>
<td class="nump">100,918<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal', window );">Fair value impairment</a></td>
<td class="nump">2,300<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DisposalGroupNotDiscontinuedOperationGainLossonDisposalNetofTax', window );">Fair value impairment, net of tax</a></td>
<td class="nump">$ 1,400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DisposalGroupIncludingDiscontinuedOperationAllowanceForImpairmentOfAssetsHeldForSaleNonCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of write-down to fair value of assets held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DisposalGroupIncludingDiscontinuedOperationAllowanceForImpairmentOfAssetsHeldForSaleNonCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DisposalGroupNotDiscontinuedOperationGainLossonDisposalNetofTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Disposal group, not discontinued operation, gain (loss) on disposal, net of tax.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DisposalGroupNotDiscontinuedOperationGainLossonDisposalNetofTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as assets attributable to disposal group held for sale or disposed of.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2473-110228<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationNoncurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2510-110228<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as goodwill attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2510-110228<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as prepaid and other assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2473-110228<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2510-110228<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2443-110228<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_PronghornAssetsHeldforSaleMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupHeldForSaleOrDisposedOfBySaleNotDiscontinuedOperationsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6856168400">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Noncontrolling interest (Details 3) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 27, 2016</div></th>
<th class="th"><div>Jun. 24, 2016</div></th>
<th class="th"><div>Mar. 31, 2017</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=mdu_DakotaPrairieRefiningLlcMember', window );">Dakota Prairie Refining, LLC [Member] | WBI Energy [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems', window );"><strong>Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableInterestEntityOwnershipPercentage', window );">Previous percentage of ownership</a></td>
<td class="nump">50.00%<span></span>
</td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementLocationAxis=us-gaap_OperatingExpenseMember', window );">Operating expense [Member] | Refining [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems', window );"><strong>Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense', window );">Reversal of an accrual</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 7.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementLocationAxis=mdu_OperatingexpenseaftertaxMember', window );">Operating expense - after tax [Member] | Refining [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems', window );"><strong>Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense', window );">Reversal of an accrual</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4.3<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating expense attributable to disposal group, including, but not limited to, discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_VariableInterestEntityOwnershipPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5A<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=77990344&amp;loc=SL6759159-111685<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableInterestEntityOwnershipPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=mdu_DakotaPrairieRefiningLlcMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=mdu_DakotaPrairieRefiningLlcMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OwnershipAxis=mdu_WBIEnergyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OwnershipAxis=mdu_WBIEnergyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeStatementLocationAxis=us-gaap_OperatingExpenseMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeStatementLocationAxis=us-gaap_OperatingExpenseMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_RefiningMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_RefiningMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeStatementLocationAxis=mdu_OperatingexpenseaftertaxMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeStatementLocationAxis=mdu_OperatingexpenseaftertaxMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>79
<FILENAME>R65.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6863604720">
<tr>
<th class="tl" colspan="2" rowspan="1"><div style="width: 200px;"><strong>Major classes of assets and liabilities (Details 4) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrentAbstract', window );"><strong>Current assets:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent', window );">Total current assets held for sale</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 479<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 14,391<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrentAbstract', window );"><strong>Current liabilities:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent', window );">Total current liabilities held for sale</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">11,993<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">9,924<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_RefiningMember', window );">Refining [Member] | Discontinued operations, held-for-sale or disposed by sale [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrentAbstract', window );"><strong>Current assets:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DisposalGroupIncludingDiscontinuedOperationIncomeTaxesReceivableAssetsCurrent', window );">Income taxes receivable</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1,778<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">13,987<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent', window );">Total current assets held for sale</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1,778<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">13,987<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation', window );">Total assets held for sale</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1,778<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">13,987<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrentAbstract', window );"><strong>Current liabilities:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent', window );">Accounts payable</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">7,425<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent', window );">Total current liabilities held for sale</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">7,425<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesNoncurrentAbstract', window );"><strong>Deferred credits and other liabilities:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilitiesNoncurrent', window );">Deferred income taxes (b)</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="nump">37<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">14<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent', window );">Total noncurrent liabilities held for sale</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">37<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">14<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation', window );">Total liabilities held for sale</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 37<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 7,439<span></span>
</td>
</tr>
<tr><td colspan="4"></td></tr>
<tr><td colspan="4"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">On the Company's Consolidated Balance Sheets, these amounts were reclassified to current income taxes payable and are reflected in current liabilities held for sale.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">On the Company's Consolidated Balance Sheets, these amounts were reclassified to noncurrent deferred income tax assetsand are reflected in noncurrent assets held for sale.</td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DisposalGroupIncludingDiscontinuedOperationIncomeTaxesReceivableAssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as income taxes receivable attributable to disposal group, expected to be disposed of within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DisposalGroupIncludingDiscontinuedOperationIncomeTaxesReceivableAssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as assets attributable to disposal group held for sale or disposed of.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2473-110228<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as accounts payable attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2473-110228<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as deferred tax liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2510-110228<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesCurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesNoncurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesNoncurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as liabilities attributable to disposal group held for sale or disposed of.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2473-110228<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2510-110228<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_RefiningMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_RefiningMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6863575856">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Major classes of assets and liabilities held for sale (Details 5) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th" colspan="2"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrentAbstract', window );"><strong>Current assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent', window );">Total current assets held for sale</a></td>
<td class="nump">$ 479<span></span>
</td>
<td class="nump">$ 14,391<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsNoncurrentAbstract', window );"><strong>Deferred charges and other assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent', window );">Total noncurrent assets held for sale</a></td>
<td class="nump">4,392<span></span>
</td>
<td class="nump">196,664<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesAbstract', window );"><strong>Liabilities</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent', window );">Total current liabilities held for sale</a></td>
<td class="nump">11,993<span></span>
</td>
<td class="nump">9,924<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_ExplorationAndProductionMember', window );">Exploration and production [Member] | Discontinued operations, held-for-sale or disposed by sale [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrentAbstract', window );"><strong>Current assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet', window );">Receivables, net</a></td>
<td class="nump">479<span></span>
</td>
<td class="nump">355<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent', window );">Total current assets held for sale</a></td>
<td class="nump">479<span></span>
</td>
<td class="nump">355<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsNoncurrentAbstract', window );"><strong>Deferred charges and other assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent', window );">Net property, plant and equipment</a></td>
<td class="nump">1,631<span></span>
</td>
<td class="nump">5,507<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssetsNoncurrent', window );">Deferred income taxes</a></td>
<td class="nump">2,637<span></span>
</td>
<td class="nump">91,098<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets', window );">Other</a></td>
<td class="nump">161<span></span>
</td>
<td class="nump">161<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DisposalGroupIncludingDiscontinuedOperationAllowanceForImpairmentOfAssetsHeldForSaleNonCurrent', window );">Less allowance for impairment of assets held for sale</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">938<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent', window );">Total noncurrent assets held for sale</a></td>
<td class="nump">4,429<span></span>
</td>
<td class="nump">95,828<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation', window );">Total assets held for sale</a></td>
<td class="nump">4,908<span></span>
</td>
<td class="nump">96,183<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesAbstract', window );"><strong>Liabilities</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent', window );">Accounts payable</a></td>
<td class="nump">30<span></span>
</td>
<td class="nump">141<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DisposalGroupIncludingDiscontinuedOperationTaxesPayableCurrent', window );">Taxes payable</a></td>
<td class="nump">10,857<span></span>
</td>
<td class="nump">19<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities', window );">Other accrued liabilities</a></td>
<td class="nump">2,884<span></span>
</td>
<td class="nump">2,358<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent', window );">Total current liabilities held for sale</a></td>
<td class="nump">13,771<span></span>
</td>
<td class="nump">2,518<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation', window );">Total liabilities held for sale</a></td>
<td class="nump">$ 13,771<span></span>
</td>
<td class="nump">$ 2,518<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
</tr>
<tr><td colspan="4"></td></tr>
<tr><td colspan="4"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">On the Company's Consolidated Balance Sheets, this amount was reclassified to prepayments and other current assets and is reflected in current assets held for sale.</td>
</tr></table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DisposalGroupIncludingDiscontinuedOperationAllowanceForImpairmentOfAssetsHeldForSaleNonCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of write-down to fair value of assets held for sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DisposalGroupIncludingDiscontinuedOperationAllowanceForImpairmentOfAssetsHeldForSaleNonCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
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</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DisposalGroupIncludingDiscontinuedOperationTaxesPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as taxes payable attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DisposalGroupIncludingDiscontinuedOperationTaxesPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsNoncurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsNoncurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as assets attributable to disposal group held for sale or disposed of.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2473-110228<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as accounts, notes and loans receivable attributable to disposal group held for sale or disposed of.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as accounts payable attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2473-110228<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2510-110228<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as deferred tax assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2510-110228<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as other liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2473-110228<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as other assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2510-110228<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets</td>
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<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2510-110228<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>xbrli:stringItemType</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as liabilities attributable to disposal group held for sale or disposed of.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1107-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=68055307&amp;loc=d3e2473-110228<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721533-107759<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2941-110230<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_ExplorationAndProductionMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6857099024">
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<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Taxes and operating loss carryforwards (Details 6) - USD ($)<br></strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems', window );"><strong>Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">$ 11,896,000<span></span>
</td>
<td class="nump">$ 9,117,000<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember', window );">State and local jurisdiction [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems', window );"><strong>Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">130,100,000<span></span>
</td>
<td class="nump">114,700,000<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_ExplorationAndProductionMember', window );">Exploration and production [Member] | Discontinued operations, held-for-sale or disposed by sale [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems', window );"><strong>Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards', window );">Deferred tax assets, operating loss carryforwards</a></td>
<td class="nump">2,600,000<span></span>
</td>
<td class="nump">89,300,000<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_ExplorationAndProductionMember', window );">Exploration and production [Member] | Domestic tax authority [Member] | Discontinued operations, held-for-sale or disposed by sale [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems', window );"><strong>Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwards', window );">Operating loss carryforwards</a></td>
<td class="nump">4,400,000<span></span>
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<td class="nump">297,200,000<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems', window );"><strong>Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwards', window );">Operating loss carryforwards</a></td>
<td class="nump">13,800,000<span></span>
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<td class="nump">189,100,000<span></span>
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<td class="nump">$ 349,000<span></span>
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<td class="nump">$ 500,000<span></span>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=96869850&amp;loc=d3e28680-109314<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsOperatingLossCarryforwards</td>
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<tr>
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<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsValuationAllowance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsValuationAllowance</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32559-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLossCarryforwards</td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6863068528">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Impairment fair value, ceiling test and transactions costs (Details 7) - USD ($)<br></strong></div></th>
<th class="th" colspan="6">3 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2016</div></th>
<th class="th"><div>Mar. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
<th class="th"><div>Sep. 30, 2015</div></th>
<th class="th"><div>Jun. 30, 2015</div></th>
<th class="th"><div>Mar. 31, 2015</div></th>
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<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_ExplorationAndProductionMember', window );">Exploration and production [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems', window );"><strong>Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax', window );">Fair value impairment</a></td>
<td class="nump">$ 900,000<span></span>
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<td class="num">$ (1,400,000)<span></span>
</td>
<td class="num">$ (1,600,000)<span></span>
</td>
<td class="nump">$ 356,100,000<span></span>
</td>
<td class="nump">$ 400,000,000.0<span></span>
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<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax', window );">Fair value impairment after tax</a></td>
<td class="nump">600,000<span></span>
</td>
<td class="num">$ (900,000)<span></span>
</td>
<td class="num">$ (1,000,000.0)<span></span>
</td>
<td class="nump">$ 224,400,000<span></span>
</td>
<td class="nump">$ 252,000,000.0<span></span>
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<td class="text">&#160;<span></span>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ImpairmentOfOilAndGasProperties', window );">Impairment of oil and gas properties</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 500,400,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ImpairmentOfOilAndGasPropertiesAfterTax', window );">Impairment of oil and gas properties, after tax</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 315,300,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_RefiningMember', window );">Refining [Member] | Discontinued operations, held-for-sale or disposed by sale [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems', window );"><strong>Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax', window );">Fair value impairment</a></td>
<td class="nump">251,900,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax', window );">Fair value impairment after tax</a></td>
<td class="nump">$ 156,700,000<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The after tax expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_ImpairmentOfOilAndGasPropertiesAfterTax</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
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<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before tax of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e957-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721525-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e957-107759<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721525-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721675-107760<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalNetOfTax</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84176398&amp;loc=d3e2921-110230<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 932<br> -SubTopic 360<br> -Section 35<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=66906256&amp;loc=d3e66150-109466<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<th class="th" colspan="3">3 Months Ended</th>
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<th class="th"><div>Jun. 30, 2016</div></th>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 420<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 5.P.3)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011515&amp;loc=d3e140864-122747<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 420<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB Topic 5.P.4(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=27011515&amp;loc=d3e140904-122747<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 420<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6394359&amp;loc=d3e17939-110869<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_ExplorationAndProductionMember</td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember</td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6858521488">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Derivative instruments gains and losses on derivative instruments (Details 9)<br> $ in Millions</strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
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<tr><th class="th">
<div>Dec. 31, 2015 </div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of price risk derivatives not designated as hedging instruments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4C<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=84234895&amp;loc=SL5624171-113959<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DerivativeInstrumentRiskAxis=mdu_CommodityDerivativesMember</td>
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<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupClassificationAxis=mdu_ExplorationAndProductionMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
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<TYPE>XML
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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<html>
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<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6879210320">
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<th class="tl" colspan="2" rowspan="2"><div style="width: 200px;"><strong>Reconciliation of income and expenses (Details 10) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="8">3 Months Ended</th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Sep. 30, 2017</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
<th class="th"><div>Mar. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Sep. 30, 2016</div></th>
<th class="th"><div>Jun. 30, 2016</div></th>
<th class="th"><div>Mar. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems', window );"><strong>Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax', window );">Income (loss) from discontinued operations, net of tax</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="num">$ (3,783)<span></span>
</td>
<td class="num">$ (300,354)<span></span>
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<td class="num">$ (834,080)<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest', window );">Loss from discontinued operations attributable to noncontrolling interest</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">0<span></span>
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<td class="num">(131,691)<span></span>
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<td class="num">(35,256)<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity', window );">Loss from discontinued operations attributable to the Company</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">$ (82)<span></span>
</td>
<td class="num">$ (2,198)<span></span>
</td>
<td class="num">$ (3,190)<span></span>
</td>
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</td>
<td class="num">$ (816)<span></span>
</td>
<td class="num">$ (5,400)<span></span>
</td>
<td class="num">$ (155,451)<span></span>
</td>
<td class="num">$ (6,996)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember', window );">Discontinued operations, held-for-sale or disposed by sale [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems', window );"><strong>Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue', window );">Operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">465<span></span>
</td>
<td class="nump">123,024<span></span>
</td>
<td class="nump">363,115<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense', window );">Operating expenses</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(4,607)<span></span>
</td>
<td class="nump">513,813<span></span>
</td>
<td class="nump">1,666,941<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss', window );">Operating income (loss)</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,072<span></span>
</td>
<td class="num">(390,789)<span></span>
</td>
<td class="num">(1,303,826)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherExpense', window );">Other expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(13)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome', window );">Other income</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">306<span></span>
</td>
<td class="nump">3,149<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">250<span></span>
</td>
<td class="nump">1,753<span></span>
</td>
<td class="nump">2,124<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax', window );">Income (loss) from discontinued operations before income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,809<span></span>
</td>
<td class="num">(392,236)<span></span>
</td>
<td class="num">(1,302,801)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation', window );">Income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,592<span></span>
</td>
<td class="num">(91,882)<span></span>
</td>
<td class="num">(468,721)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax', window );">Income (loss) from discontinued operations, net of tax</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(3,783)<span></span>
</td>
<td class="num">(300,354)<span></span>
</td>
<td class="num">(834,080)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest', window );">Loss from discontinued operations attributable to noncontrolling interest</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="num">(131,691)<span></span>
</td>
<td class="num">(35,256)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity', window );">Loss from discontinued operations attributable to the Company</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(3,783)<span></span>
</td>
<td class="num">(168,663)<span></span>
</td>
<td class="num">(798,824)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_RefiningMember', window );">Refining [Member] | Discontinued operations, held-for-sale or disposed by sale [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems', window );"><strong>Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PretaxIncomeLossAttributabletotheCompany', window );">Pretax loss attributable to the company</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 6,900<span></span>
</td>
<td class="num">$ (253,500)<span></span>
</td>
<td class="num">$ (31,500)<span></span>
</td>
</tr>
<tr><td colspan="13"></td></tr>
<tr><td colspan="13"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.</td>
</tr></table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PretaxIncomeLossAttributabletotheCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Pretax income (loss) attributable to the company.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PretaxIncomeLossAttributabletotheCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1012-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721523-107759<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(14))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e957-107759<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721525-107759<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32672-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721525-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721523-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=79507043&amp;loc=d3e38679-109324<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721675-107760<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1012-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of interest expense attributable to disposal group, including, but not limited to, discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section S99<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=26872618&amp;loc=d3e7436-122677<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 7<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1063-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1060-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating expense attributable to disposal group, including, but not limited to, discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of other expense attributable to disposal group, including, but not limited to, discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of other income attributable to disposal group, including, but not limited to, discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721675-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1012-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721525-107759<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721523-107759<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e957-107759<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from a discontinued operation attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1012-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721523-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4569616-111683<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4568447-111683<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721525-107759<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721675-107760<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br><br>Reference 9: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e957-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721675-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721525-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721523-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e957-107759<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1012-107759<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4569616-111683<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsHeldForSaleOrDisposedOfBySaleMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_RefiningMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=mdu_RefiningMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<html>
<head>
<title></title>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6879162336">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Goodwill and other intangible assets (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th" colspan="2"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillRollForward', window );"><strong>Goodwill [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Balance as of beginning of period</a></td>
<td class="nump">$ 631,791<span></span>
</td>
<td class="nump">$ 635,204<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillAcquiredDuringPeriod', window );">Goodwill acquired during the year</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">6,324<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit', window );">Held for sale</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9,737<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Balance as of end of period</a></td>
<td class="nump">631,791<span></span>
</td>
<td class="nump">631,791<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=mdu_NaturalGasDistributionMember', window );">Natural gas distribution:</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillRollForward', window );"><strong>Goodwill [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Balance as of beginning of period</a></td>
<td class="nump">345,736<span></span>
</td>
<td class="nump">345,736<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillAcquiredDuringPeriod', window );">Goodwill acquired during the year</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit', window );">Held for sale</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Balance as of end of period</a></td>
<td class="nump">345,736<span></span>
</td>
<td class="nump">345,736<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=mdu_PipelineandMidstreamMember', window );">Pipeline and midstream:</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillRollForward', window );"><strong>Goodwill [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Balance as of beginning of period</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">9,737<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillAcquiredDuringPeriod', window );">Goodwill acquired during the year</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit', window );">Held for sale</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9,737<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Balance as of end of period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss', window );">Accumulated impairment which occurred in prior periods</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 12,300<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionMaterialsAndContractingMember', window );">Construction materials and contracting:</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillRollForward', window );"><strong>Goodwill [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Balance as of beginning of period</a></td>
<td class="nump">176,290<span></span>
</td>
<td class="nump">176,290<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillAcquiredDuringPeriod', window );">Goodwill acquired during the year</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit', window );">Held for sale</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Balance as of end of period</a></td>
<td class="nump">176,290<span></span>
</td>
<td class="nump">176,290<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionServicesMember', window );">Construction services:</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillRollForward', window );"><strong>Goodwill [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Balance as of beginning of period</a></td>
<td class="nump">109,765<span></span>
</td>
<td class="nump">103,441<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillAcquiredDuringPeriod', window );">Goodwill acquired during the year</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">6,324<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit', window );">Held for sale</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Balance as of end of period</a></td>
<td class="nump">$ 109,765<span></span>
</td>
<td class="nump">$ 109,765<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr><td colspan="5"></td></tr>
<tr><td colspan="5"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Balance is presented net of accumulated impairment of <span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>$12.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> at the pipeline and midstream segment, which occurred in prior periods.</span><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.65900383141762%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></td>
</tr></table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Goodwill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=35741047&amp;loc=d3e13816-109267<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6388280&amp;loc=d3e13770-109266<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=77989000&amp;loc=SL49117168-202975<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Goodwill</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GoodwillAcquiredDuringPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=35741047&amp;loc=d3e13816-109267<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GoodwillAcquiredDuringPeriod</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GoodwillImpairedAccumulatedImpairmentLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a,h)<br> -URI http://asc.fasb.org/extlink&amp;oid=35741047&amp;loc=d3e13816-109267<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GoodwillImpairedAccumulatedImpairmentLoss</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GoodwillRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GoodwillRollForward</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=35741047&amp;loc=d3e13816-109267<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=mdu_NaturalGasDistributionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=mdu_NaturalGasDistributionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=mdu_PipelineandMidstreamMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=mdu_PipelineandMidstreamMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionMaterialsAndContractingMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionMaterialsAndContractingMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionServicesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionServicesMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6855273536">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Goodwill and other intangible assets (Details 2) - USD ($)<br></strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsLineItems', window );"><strong>Finite-lived intangible assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IntangibleAssetsNetExcludingGoodwill', window );">Intangible assets, net (excluding goodwill)</a></td>
<td class="nump">$ 3,837,000<span></span>
</td>
<td class="nump">$ 5,925,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AmortizationOfIntangibleAssets', window );">Amortization of intangible assets</a></td>
<td class="nump">2,000,000.0<span></span>
</td>
<td class="nump">2,500,000<span></span>
</td>
<td class="nump">$ 2,500,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract', window );"><strong>Estimated amortization expense for amortizable intangible assets</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths', window );">2018</a></td>
<td class="nump">1,300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo', window );">2019</a></td>
<td class="nump">1,000,000.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree', window );">2020</a></td>
<td class="nump">500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour', window );">2021</a></td>
<td class="nump">300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive', window );">2022</a></td>
<td class="nump">200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive', window );">Thereafter</a></td>
<td class="nump">500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember', window );">Customer relationships [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsLineItems', window );"><strong>Finite-lived intangible assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsGross', window );">Intangible assets, gross</a></td>
<td class="nump">15,248,000<span></span>
</td>
<td class="nump">17,145,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization', window );">Intangible assets, less accumulated amortization</a></td>
<td class="nump">13,382,000<span></span>
</td>
<td class="nump">13,917,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IntangibleAssetsNetExcludingGoodwill', window );">Intangible assets, net (excluding goodwill)</a></td>
<td class="nump">1,866,000<span></span>
</td>
<td class="nump">3,228,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember', window );">Noncompete agreements [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsLineItems', window );"><strong>Finite-lived intangible assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsGross', window );">Intangible assets, gross</a></td>
<td class="nump">2,430,000<span></span>
</td>
<td class="nump">2,430,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization', window );">Intangible assets, less accumulated amortization</a></td>
<td class="nump">1,805,000<span></span>
</td>
<td class="nump">1,658,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IntangibleAssetsNetExcludingGoodwill', window );">Intangible assets, net (excluding goodwill)</a></td>
<td class="nump">625,000<span></span>
</td>
<td class="nump">772,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_OtherIntangibleAssetsMember', window );">Other [Member}</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsLineItems', window );"><strong>Finite-lived intangible assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsGross', window );">Intangible assets, gross</a></td>
<td class="nump">6,990,000<span></span>
</td>
<td class="nump">7,768,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization', window );">Intangible assets, less accumulated amortization</a></td>
<td class="nump">5,644,000<span></span>
</td>
<td class="nump">5,843,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IntangibleAssetsNetExcludingGoodwill', window );">Intangible assets, net (excluding goodwill)</a></td>
<td class="nump">$ 1,346,000<span></span>
</td>
<td class="nump">$ 1,925,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AmortizationOfIntangibleAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6388964&amp;loc=d3e16225-109274<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AmortizationOfIntangibleAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IntangibleAssetsNetExcludingGoodwill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6388964&amp;loc=d3e16212-109274<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph ((a)(1),(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IntangibleAssetsNetExcludingGoodwill</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_NoncompeteAgreementsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_OtherIntangibleAssetsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_OtherIntangibleAssetsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6879264960">
<tr>
<th class="tl" colspan="2" rowspan="2"><div style="width: 200px;"><strong>Regulatory assets and liabilities (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 300,963<span></span>
</td>
<td class="nump">$ 307,320<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">519,298<span></span>
</td>
<td class="nump">241,852<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetRegulatoryAssets', window );">Net regulatory position</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="num">(218,335)<span></span>
</td>
<td class="nump">65,468<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RemainingAmountsOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided', window );">Regulatory assets not earning a rate of return</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">269,100<span></span>
</td>
<td class="nump">255,400<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_RemovalCostsMember', window );">Plant removal and decommissioning costs [Member}</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities:</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">176,190<span></span>
</td>
<td class="nump">176,972<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_DeferredIncomeTaxChargesMember', window );">Taxes recoverable from/refundable to customers [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities:</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">279,668<span></span>
</td>
<td class="nump">11,010<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_PensionAndOtherPostretirementPlansCostsMember', window );">Pension and postretirement benefits [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities:</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">11,056<span></span>
</td>
<td class="nump">9,099<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=mdu_LiabilitiesRefundableGasCostsMember', window );">Natural gas costs refundable through rate adjustments [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities:</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="nump">28,514<span></span>
</td>
<td class="nump">25,580<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_OtherRegulatoryAssetsLiabilitiesMember', window );">Other regulatory assets/liabilities [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilities', window );">Regulatory liabilities:</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1],[2]</sup></td>
<td class="nump">$ 23,870<span></span>
</td>
<td class="nump">19,191<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_PensionAndOtherPostretirementPlansCostsMember', window );">Pension and postretirement benefits [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetRecoveryAssessments', window );">Estimated recovery period</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="text">(e)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets:</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[4]</sup></td>
<td class="nump">$ 163,896<span></span>
</td>
<td class="nump">176,025<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_DeferredIncomeTaxChargesMember', window );">Taxes recoverable from/refundable to customers [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetRecoveryAssessments', window );">Estimated recovery period</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[5]</sup></td>
<td class="text">Over plant lives<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets:</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[4]</sup></td>
<td class="nump">$ 12,073<span></span>
</td>
<td class="nump">28,278<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_EnvironmentalRestorationCostsMember', window );">Manufactured gas plant sites remediation [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetRecoveryAssessments', window );">Estimated recovery period</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[5]</sup></td>
<td class="text">-<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets:</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[4]</sup></td>
<td class="nump">$ 18,213<span></span>
</td>
<td class="nump">18,259<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_AssetRetirementObligationCostsMember', window );">Asset retirement obligation costs [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetRecoveryAssessments', window );">Estimated recovery period</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[5]</sup></td>
<td class="text">Over plant lives<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets:</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[4]</sup></td>
<td class="nump">$ 56,078<span></span>
</td>
<td class="nump">42,580<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_AssetRecoverableGasCostsMember', window );">Natural gas costs recoverable through rate adjustments [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetRecoveryAssessments', window );">Estimated recovery period</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[5]</sup></td>
<td class="text">Up to 1 year<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets:</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[6]</sup></td>
<td class="nump">$ 14,465<span></span>
</td>
<td class="nump">2,242<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_LossOnReacquiredDebtMember', window );">Long-term debt refinancing costs [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetRecoveryAssessments', window );">Estimated recovery period</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[5]</sup></td>
<td class="text">Up to 20 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets:</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[4]</sup></td>
<td class="nump">$ 5,563<span></span>
</td>
<td class="nump">6,248<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=mdu_CostsRelatedToIdentifyingGenerationDevelopmentMember', window );">Costs related to identifying generation development [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetRecoveryAssessments', window );">Estimated recovery period</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[5]</sup></td>
<td class="text">Up to 9 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets:</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[4]</sup></td>
<td class="nump">$ 2,960<span></span>
</td>
<td class="nump">3,407<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_OtherRegulatoryAssetsLiabilitiesMember', window );">Other regulatory assets/liabilities [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetRecoveryAssessments', window );">Estimated recovery period</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[5]</sup></td>
<td class="text">Up to 20 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssets', window );">Regulatory assets:</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[4],[6]</sup></td>
<td class="nump">$ 27,715<span></span>
</td>
<td class="nump">$ 30,281<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentAssetsMember', window );">Other noncurrent assets [Member] | Stranded costs [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesRegulatoryAssets', window );">Deferred tax liabilities, regulatory assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">15,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentLiabilitiesMember', window );">Other noncurrent liabilities [Member] | Stranded costs [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems', window );"><strong>Regulatory assets and liabilities</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesRegulatoryAssets', window );">Deferred tax liabilities, regulatory assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 270,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr><td colspan="4"></td></tr>
<tr><td colspan="4"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Included in deferred credits and other liabilities - other on the Consolidated Balance Sheets.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">Included in other accrued liabilities on the Consolidated Balance Sheets.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[3]</td>
<td style="vertical-align: top;" valign="top">Recovered as expense is incurred or cash contributions are made.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[4]</td>
<td style="vertical-align: top;" valign="top">Included in deferred charges and other assets - other on the Consolidated Balance Sheets.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[5]</td>
<td style="vertical-align: top;" valign="top">Estimated recovery period for regulatory assets currently being recovered in rates charged to customers.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[6]</td>
<td style="vertical-align: top;" valign="top">Included in prepayments and other current assets on the Consolidated Balance Sheets.</td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_ScheduleOfRegulatoryAssetsAndLiabilitiesLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilitiesRegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax liability attributable to taxable temporary differences from regulatory assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=96869850&amp;loc=d3e28680-109314<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilitiesRegulatoryAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetRegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net amount of all regulatory assets less all regulatory liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetRegulatoryAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetRecoveryAssessments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Describes the continual or periodic assessment of the probability of future recovery of regulatory assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 40<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499898&amp;loc=d3e44174-110380<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=77907324&amp;loc=d3e43603-110378<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetRecoveryAssessments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 405<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6500807&amp;loc=d3e48068-110394<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RemainingAmountsOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Remaining balance of regulatory assets for which no return on investment during recovery is provided. In some cases, a regulator may permit an enterprise to include a cost that would be charged to expense by an unregulated enterprise as an allowable cost over a period of time by amortizing that cost for rate-making purposes, but the regulator does not include the unrecovered amount in the rate base.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6499975&amp;loc=d3e44250-110382<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 340<br> -Section 55<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=82849221&amp;loc=d3e44360-110383<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RemainingAmountsOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_RemovalCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=us-gaap_RemovalCostsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_DeferredIncomeTaxChargesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=us-gaap_DeferredIncomeTaxChargesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_PensionAndOtherPostretirementPlansCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=us-gaap_PensionAndOtherPostretirementPlansCostsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=mdu_LiabilitiesRefundableGasCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=mdu_LiabilitiesRefundableGasCostsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_OtherRegulatoryAssetsLiabilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=us-gaap_OtherRegulatoryAssetsLiabilitiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=us-gaap_PensionAndOtherPostretirementPlansCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_PensionAndOtherPostretirementPlansCostsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=us-gaap_DeferredIncomeTaxChargesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_DeferredIncomeTaxChargesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=us-gaap_EnvironmentalRestorationCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_EnvironmentalRestorationCostsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=us-gaap_AssetRetirementObligationCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_AssetRetirementObligationCostsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=us-gaap_AssetRecoverableGasCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_AssetRecoverableGasCostsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=us-gaap_LossOnReacquiredDebtMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_LossOnReacquiredDebtMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=mdu_CostsRelatedToIdentifyingGenerationDevelopmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=mdu_CostsRelatedToIdentifyingGenerationDevelopmentMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=us-gaap_OtherRegulatoryAssetsLiabilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_OtherRegulatoryAssetsLiabilitiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentAssetsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentAssetsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_StrandedCostsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentLiabilitiesMember</td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_StrandedCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=us-gaap_StrandedCostsMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6861774976">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Fair value measurements insurance contracts (Details) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueDisclosuresAbstract', window );"><strong>Fair Value Disclosures [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount', window );">Investments used to satisfy nonqualified benefit plans obligations</a></td>
<td class="nump">$ 77.4<span></span>
</td>
<td class="nump">$ 70.9<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrealizedGainLossOnInvestments', window );">Net unrealized gain of investments used to satisfy obligations under nonqualified benefit plans</a></td>
<td class="nump">$ 9.3<span></span>
</td>
<td class="nump">$ 3.4<span></span>
</td>
<td class="nump">$ 1.7<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueDisclosuresAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueDisclosuresAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LifeInsuranceCorporateOrBankOwnedAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This item represents the amount that could be realized under a life insurance contract or contracts owned by the Entity as of the date of the statement of financial position. Such Entity-owned life insurance policies are commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.12)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 325<br> -SubTopic 30<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6384206&amp;loc=d3e41899-111602<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LifeInsuranceCorporateOrBankOwnedAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrealizedGainLossOnInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of investments, not including unrealized gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, held at each balance sheet date and included in earnings for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrealizedGainLossOnInvestments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6862532944">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Available-for-sale securities (Details 2) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems', window );"><strong>Available-for-sale securities [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesAmortizedCost', window );">Cost</a></td>
<td class="nump">$ 10,547<span></span>
</td>
<td class="nump">$ 10,546<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax', window );">Gross unrealized gains</a></td>
<td class="nump">4<span></span>
</td>
<td class="nump">8<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax', window );">Gross unrealized losses</a></td>
<td class="nump">130<span></span>
</td>
<td class="nump">105<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecurities', window );">Fair value</a></td>
<td class="nump">10,421<span></span>
</td>
<td class="nump">10,449<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_MortgageBackedSecuritiesMember', window );">Mortgage-backed securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems', window );"><strong>Available-for-sale securities [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesAmortizedCost', window );">Cost</a></td>
<td class="nump">10,342<span></span>
</td>
<td class="nump">10,546<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax', window );">Gross unrealized gains</a></td>
<td class="nump">4<span></span>
</td>
<td class="nump">8<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax', window );">Gross unrealized losses</a></td>
<td class="nump">129<span></span>
</td>
<td class="nump">105<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecurities', window );">Fair value</a></td>
<td class="nump">10,217<span></span>
</td>
<td class="nump">$ 10,449<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_USTreasurySecuritiesMember', window );">U.S. Treasury securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems', window );"><strong>Available-for-sale securities [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesAmortizedCost', window );">Cost</a></td>
<td class="nump">205<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax', window );">Gross unrealized gains</a></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax', window );">Gross unrealized losses</a></td>
<td class="nump">1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AvailableForSaleSecurities', window );">Fair value</a></td>
<td class="nump">$ 204<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AvailableForSaleSecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 25<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=75030427&amp;loc=d3e22054-111558<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (aa)<br> -URI http://asc.fasb.org/extlink&amp;oid=82897076&amp;loc=d3e27232-111563<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82896770&amp;loc=d3e26610-111562<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AvailableForSaleSecurities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=82897076&amp;loc=d3e27161-111563<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 320<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=82897076&amp;loc=d3e27161-111563<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AvailableForSaleSecuritiesAmortizedCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.2)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AvailableForSaleSecuritiesAmortizedCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Fair value measurements (Details 3) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2"><div>Dec. 31, 2017</div></th>
<th class="th" colspan="2"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Sep. 30, 2015</div></th>
<th class="th"><div>Jun. 30, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ConcentrationRisksPercentageAbstract', window );"><strong>Concentration risks, percentage [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentageInFixedIncomeAndOtherInvestments', window );">Percentage in fixed-income investments</a></td>
<td class="nump">49.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">52.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentageInvestmentInCommonStockOfLargeCapCompanies', window );">Percentage investment in common stock of large-cap companies</a></td>
<td class="nump">23.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">22.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentageInvestmentInCommonStockOfMidCapCompanies', window );">Percentage investment in common stock of mid-cap companies</a></td>
<td class="nump">14.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">13.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentageInvestmentInCommonStockOfSmallCapCompanies', window );">Percentage investment in common stock of small-cap companies</a></td>
<td class="nump">11.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">10.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentageInvestmentinTargetDateInvestments', window );">Percentage investment in target date investments</a></td>
<td class="nump">2.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentageInvestmentinCashandCashEquivalents', window );">Percentage investment in cash and cash equivalents</a></td>
<td class="nump">1.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">2.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">$ 94,774<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 82,972<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Money market funds</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">6,965<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,602<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Insurance contract</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">77,388<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">70,921<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Mortgage-backed securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">10,217<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">10,449<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | U.S. Treasury securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">204<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Fair value, inputs, level 1 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Fair value, inputs, level 1 [Member] | Money market funds</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Fair value, inputs, level 1 [Member] | Insurance contract</a></td>
<td class="text">&#160;<span></span>
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<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Fair value, inputs, level 1 [Member] | Mortgage-backed securities</a></td>
<td class="text">&#160;<span></span>
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<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">0<span></span>
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<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Fair value, inputs, level 1 [Member] | U.S. Treasury securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">0<span></span>
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<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Fair value, inputs, level 2 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">94,774<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">82,972<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Fair value, inputs, level 2 [Member] | Money market funds</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">6,965<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,602<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Fair value, inputs, level 2 [Member] | Insurance contract</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">77,388<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">70,921<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Fair value, inputs, level 2 [Member] | Mortgage-backed securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">10,217<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">10,449<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Fair value, inputs, level 2 [Member] | U.S. Treasury securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">204<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Fair value, inputs, level 3 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Fair value, inputs, level 3 [Member] | Money market funds</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Fair value, inputs, level 3 [Member] | Insurance contract</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Fair value, inputs, level 3 [Member] | Mortgage-backed securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember', window );">Fair value, measurements, recurring [Member] | Fair value, inputs, level 3 [Member] | U.S. Treasury securities</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosure', window );">Assets, fair value disclosure</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=mdu_PipelineandMidstreamMember', window );">Pipeline and midstream:</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems', window );"><strong>Fair value measurements [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsFairValueDisclosureNonrecurring', window );">Nonrecurring fair value measurement</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 10,800<span></span>
</td>
<td class="nump">$ 1,100<span></span>
</td>
</tr>
<tr><td colspan="7"></td></tr>
<tr><td colspan="7"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">The insurance contract invests approximately <span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>49</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in fixed-income investments, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>23</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>14</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of mid-cap companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>11</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of small-cap companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>2</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in target date investments and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>1</span></span>&#160;percent in cash equivalents.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">The insurance contract invests approximately <span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>52</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in fixed-income investments, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>22</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>13</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of mid-cap companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>10</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of small-cap companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>1</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in target date investments and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>2</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in cash equivalents.</span><div style="line-height:120%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:99.80842911877394%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div></div></td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_ConcentrationRisksPercentageAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Concentration Risks, Percentage</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_ConcentrationRisksPercentageAbstract</td>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PercentageInFixedIncomeAndOtherInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The percentage of insurance contracts in fixed-income and other investments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PercentageInFixedIncomeAndOtherInvestments</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PercentageInvestmentInCommonStockOfLargeCapCompanies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The percentage of insurance contracts in common stock of large-cap companies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PercentageInvestmentInCommonStockOfMidCapCompanies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The percentage of insurance contracts in common stock of mid-cap companies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PercentageInvestmentInCommonStockOfMidCapCompanies</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PercentageInvestmentInCommonStockOfSmallCapCompanies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The percentage of insurance contracts in common stock of small-cap companies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PercentageInvestmentInCommonStockOfSmallCapCompanies</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PercentageInvestmentinCashandCashEquivalents">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of insurance contracts in cash and cash equivalents.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PercentageInvestmentinCashandCashEquivalents</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PercentageInvestmentinTargetDateInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The percentage of insurance contracts in target date investments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PercentageInvestmentinTargetDateInvestments</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsFairValueDisclosure">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=66048111&amp;loc=d3e19207-110258<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsFairValueDisclosure</td>
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<tr>
<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsFairValueDisclosureNonrecurring">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a nonrecurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsFairValueDisclosureNonrecurring</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByAssetClassAxis=us-gaap_MoneyMarketFundsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByAssetClassAxis=us-gaap_MoneyMarketFundsMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByAssetClassAxis=us-gaap_CashSurrenderValueMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByAssetClassAxis=us-gaap_MortgageBackedSecuritiesMember</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByAssetClassAxis=us-gaap_USTreasurySecuritiesMember</td>
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<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<DOCUMENT>
<TYPE>XML
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<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6859968144">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Fair value measurements (Details 4) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems', window );"><strong>Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
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<td class="nump">$ 1,714,853<span></span>
</td>
<td class="nump">$ 1,790,159<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementBasisAxis=us-gaap_CarryingReportedAmountFairValueDisclosureMember', window );">Carrying amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems', window );"><strong>Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Long-term debt</a></td>
<td class="nump">1,714,853<span></span>
</td>
<td class="nump">1,790,159<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember', window );">Fair value</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems', window );"><strong>Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtFairValue', window );">Long-term debt, fair value</a></td>
<td class="nump">$ 1,826,256<span></span>
</td>
<td class="nump">$ 1,841,885<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByMeasurementBasisAxis=us-gaap_CarryingReportedAmountFairValueDisclosureMember</td>
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<td><strong> Data Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember</td>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>93
<FILENAME>R79.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6877476176">
<tr>
<th class="tl" colspan="2" rowspan="2"><div style="width: 200px;"><strong>Credit facilities (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityAbstract', window );"><strong>Line of credit facility and other debt [Abstract]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Letters of credit at end of period</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=us-gaap_LongTermDebtMember', window );">Long-term debt [Member] | Commercial paper revolving credit agreement [Member] | MDU Resources Group, Inc [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityAbstract', window );"><strong>Line of credit facility and other debt [Abstract]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Facility limit, maximum borrowing capacity</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">175,000,000.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCredit', window );">Amount outstanding, end of period</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">$ 73,800,000<span></span>
</td>
<td class="nump">$ 111,000,000.0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityExpirationDate1', window );">Expiration date</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">May  08,  2019<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=us-gaap_LongTermDebtMember', window );">Long-term debt [Member] | Commercial paper revolving credit agreement [Member] | Centennial Energy Holdings, Inc [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityAbstract', window );"><strong>Line of credit facility and other debt [Abstract]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Facility limit, maximum borrowing capacity</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 500,000,000.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCredit', window );">Amount outstanding, end of period</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">$ 14,600,000<span></span>
</td>
<td class="nump">151,000,000.0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityExpirationDate1', window );">Expiration date</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">Sep. 23,  2021<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=us-gaap_LongTermDebtMember', window );">Long-term debt [Member] | Revolving credit facility [Member] | MDU Resources Group, Inc [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityAbstract', window );"><strong>Line of credit facility and other debt [Abstract]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Letters of credit at end of period</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_OptionToIncreaseBorrowingsMaximumAmount', window );">Option to increase borrowings, maximum amount</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">225,000,000.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=us-gaap_LongTermDebtMember', window );">Long-term debt [Member] | Revolving credit facility [Member] | Cascade Natural Gas Corporation [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityAbstract', window );"><strong>Line of credit facility and other debt [Abstract]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Facility limit, maximum borrowing capacity</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="nump">75,000,000.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCredit', window );">Amount outstanding, end of period</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">17,300,000<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Letters of credit at end of period</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="nump">$ 2,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityExpirationDate1', window );">Expiration date</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">Apr. 24,  2020<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_OptionToIncreaseBorrowingsMaximumAmount', window );">Option to increase borrowings, maximum amount</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 100,000,000.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=us-gaap_LongTermDebtMember', window );">Long-term debt [Member] | Revolving credit facility [Member] | Intermountain Gas Company [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityAbstract', window );"><strong>Line of credit facility and other debt [Abstract]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Facility limit, maximum borrowing capacity</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[4]</sup></td>
<td class="nump">85,000,000.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCredit', window );">Amount outstanding, end of period</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">40,000,000.0<span></span>
</td>
<td class="nump">$ 20,900,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Letters of credit at end of period</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityExpirationDate1', window );">Expiration date</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">Apr. 24,  2020<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_OptionToIncreaseBorrowingsMaximumAmount', window );">Option to increase borrowings, maximum amount</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 110,000,000.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentAxis=us-gaap_LongTermDebtMember', window );">Long-term debt [Member] | Revolving credit facility [Member] | Centennial Energy Holdings, Inc [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityAbstract', window );"><strong>Line of credit facility and other debt [Abstract]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Letters of credit at end of period</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_OptionToIncreaseBorrowingsMaximumAmount', window );">Option to increase borrowings, maximum amount</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 600,000,000.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr><td colspan="4"></td></tr>
<tr><td colspan="4"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Amount outstanding under commercial paper program.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">Certain provisions allow for increased borrowings, up to a maximum of <span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$100.0&#160;million</span></span>.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[3]</td>
<td style="vertical-align: top;" valign="top">Outstanding letter(s) of credit reduce the amount available under the credit agreement.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[4]</td>
<td style="vertical-align: top;" valign="top">Certain provisions allow for increased borrowings, up to a maximum of <span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$110.0&#160;million</span></span>.</td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_OptionToIncreaseBorrowingsMaximumAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The option to increase borrowing capacity to the stated maximum amount, at the option of the company, on stated conditions.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_OptionToIncreaseBorrowingsMaximumAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LettersOfCreditOutstandingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LettersOfCreditOutstandingAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityExpirationDate1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date the credit facility terminates, in CCYY-MM-DD format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityExpirationDate1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=us-gaap_LongTermDebtMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=us-gaap_LongTermDebtMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CreditFacilityAxis=mdu_CommercialPaperRevolvingCreditAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CreditFacilityAxis=mdu_CommercialPaperRevolvingCreditAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=mdu_MduResourcesGroupIncMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=mdu_MduResourcesGroupIncMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=mdu_CentennialEnergyHoldingsIncMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=mdu_CentennialEnergyHoldingsIncMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=mdu_CascadeNaturalGasCorporationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=mdu_CascadeNaturalGasCorporationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=mdu_IntermountainGasCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=mdu_IntermountainGasCompanyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>94
<FILENAME>R80.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6878846752">
<tr>
<th class="tl" colspan="2" rowspan="1"><div style="width: 200px;"><strong>Long-term borrowings (Details 2) - Long-term debt [Member] - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 22, 2017</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=mdu_MduResourcesGroupIncMember', window );">MDU Resources Group, Inc [Member] | Revolving credit facility [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants', window );">Ratio of funded debt to total capitalization as specified in debt convenants</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">65.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_RatioOfFundedDebtCapitalizationCompanyAloneAsSpecifiedInDebtConvenants', window );">Ratio of funded debt to capitalization - Company alone, as specified in debt convenants</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">65.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=mdu_CascadeNaturalGasCorporationMember', window );">Cascade Natural Gas Corporation [Member] | Revolving credit facility [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_FacilityLimitAmendedBorrowingCapacity', window );">Facility limit, amended borrowing capacity</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 50.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Facility limit, maximum borrowing capacity</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">$ 75.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants', window );">Ratio of total debt to total capitalization as specified in debt convenants.</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">65.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=mdu_IntermountainGasCompanyMember', window );">Intermountain Gas Company [Member] | Revolving credit facility [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_FacilityLimitAmendedBorrowingCapacity', window );">Facility limit, amended borrowing capacity</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 65.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Facility limit, maximum borrowing capacity</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="nump">$ 85.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants', window );">Ratio of total debt to total capitalization as specified in debt convenants.</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">65.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=mdu_CentennialEnergyHoldingsIncMember', window );">Centennial Energy Holdings, Inc [Member] | Master shelf agreement [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants', window );">Ratio of total debt to total capitalization as specified in debt convenants.</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">60.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_RatioEbitdaToInterestExpense', window );">Ratio of EBITDA to interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">175.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=mdu_CentennialEnergyHoldingsIncMember', window );">Centennial Energy Holdings, Inc [Member] | Revolving credit facility [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants', window );">Ratio of total debt to total capitalization as specified in debt convenants.</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">65.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=mdu_WbiEnergyTransmissionIncMember', window );">WBI Energy Transmission, Inc. [Member] | Uncommitted long term private shelf agreement [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt instrument [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants', window );">Ratio of total debt to total capitalization as specified in debt convenants.</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">55.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_LongtermPrivateShelfAgreementIssuanceCapacity', window );">Long-term private shelf agreement issuance capacity</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 200.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NotesPayable', window );">Notes outstanding</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">100.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount', window );">Remaining capacity under uncommitted private shelf agreement</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 100.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ContractedtoIssueAdditionalDebt', window );">Contracted to issue additional debt</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 40.0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtWeightedAverageInterestRate', window );">Weighted average interest rate</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4.18%<span></span>
</td>
</tr>
<tr><td colspan="4"></td></tr>
<tr><td colspan="4"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Certain provisions allow for increased borrowings, up to a maximum of <span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$100.0&#160;million</span></span>.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">Certain provisions allow for increased borrowings, up to a maximum of <span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$110.0&#160;million</span></span>.</td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_ContractedtoIssueAdditionalDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Contracted to issue additional debt.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_ContractedtoIssueAdditionalDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_FacilityLimitAmendedBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Facility limit, amended borrowing capacity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_FacilityLimitAmendedBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_LongtermPrivateShelfAgreementIssuanceCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Long-term private shelf agreement amended issuance capacity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_LongtermPrivateShelfAgreementIssuanceCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_RatioEbitdaToInterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Ratio - EBITDA to interest expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_RatioEbitdaToInterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_RatioOfFundedDebtCapitalizationCompanyAloneAsSpecifiedInDebtConvenants">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Ratio of funded debt capitalization - Company alone, as specified in debt convenants.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_RatioOfFundedDebtCapitalizationCompanyAloneAsSpecifiedInDebtConvenants</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Ratio of funded debt to total capitalization as specified in debt convenants.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_RatioOfFundedDebtToTotalCapitalizationAsSpecifiedInDebtConvenants</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Ratio of total debt to total capitalization as specified in debt convenants.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_RatioOfTotalDebtToTotalCapitalizationAsSpecifiedInDebtConvenants</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtWeightedAverageInterestRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average interest rate of long-term debt outstanding calculated at point in time.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtWeightedAverageInterestRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NotesPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NotesPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=mdu_MduResourcesGroupIncMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=mdu_MduResourcesGroupIncMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=us-gaap_LongTermDebtMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentAxis=us-gaap_LongTermDebtMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=mdu_CascadeNaturalGasCorporationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=mdu_CascadeNaturalGasCorporationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=mdu_IntermountainGasCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=mdu_IntermountainGasCompanyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=mdu_CentennialEnergyHoldingsIncMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=mdu_CentennialEnergyHoldingsIncMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CreditFacilityAxis=mdu_MasterShelfAgreementMemberMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CreditFacilityAxis=mdu_MasterShelfAgreementMemberMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=mdu_WbiEnergyTransmissionIncMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=mdu_WbiEnergyTransmissionIncMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CreditFacilityAxis=mdu_UncommittedLongTermPrivateShelfAgreementMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CreditFacilityAxis=mdu_UncommittedLongTermPrivateShelfAgreementMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>95
<FILENAME>R81.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6863135216">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Long-term debt outstanding (Details 3) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtByComponentsCurrentAndNoncurrentAlternativeAbstract', window );"><strong>Long term debt outstanding [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Long-term debt</a></td>
<td class="nump">$ 1,714,853<span></span>
</td>
<td class="nump">$ 1,790,159<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtCurrent', window );">Long-term debt due within one year</a></td>
<td class="nump">148,499<span></span>
</td>
<td class="nump">43,598<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtNoncurrent', window );">Long-term debt</a></td>
<td class="nump">$ 1,566,354<span></span>
</td>
<td class="nump">1,746,561<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember', window );">Senior notes [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtWeightedAverageInterestRate', window );">Weighted average interest rate</a></td>
<td class="nump">4.71%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtByComponentsCurrentAndNoncurrentAlternativeAbstract', window );"><strong>Long term debt outstanding [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Long-term debt</a></td>
<td class="nump">$ 1,499,916<span></span>
</td>
<td class="nump">1,437,831<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_CommercialPaperMember', window );">Commercial paper [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtWeightedAverageInterestRate', window );">Weighted average interest rate</a></td>
<td class="nump">1.72%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtByComponentsCurrentAndNoncurrentAlternativeAbstract', window );"><strong>Long term debt outstanding [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Long-term debt</a></td>
<td class="nump">$ 88,350<span></span>
</td>
<td class="nump">262,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_MediumTermNotesMember', window );">Medium-term notes [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtWeightedAverageInterestRate', window );">Weighted average interest rate</a></td>
<td class="nump">6.68%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtByComponentsCurrentAndNoncurrentAlternativeAbstract', window );"><strong>Long term debt outstanding [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Long-term debt</a></td>
<td class="nump">$ 50,000<span></span>
</td>
<td class="nump">50,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableToBanksMember', window );">Other notes [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtWeightedAverageInterestRate', window );">Weighted average interest rate</a></td>
<td class="nump">5.24%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtByComponentsCurrentAndNoncurrentAlternativeAbstract', window );"><strong>Long term debt outstanding [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Long-term debt</a></td>
<td class="nump">$ 24,982<span></span>
</td>
<td class="nump">24,471<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember', window );">Revolving credit facility [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentLineItems', window );"><strong>Debt instrument [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtWeightedAverageInterestRate', window );">Weighted average interest rate</a></td>
<td class="nump">3.71%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtByComponentsCurrentAndNoncurrentAlternativeAbstract', window );"><strong>Long term debt outstanding [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebt', window );">Long-term debt</a></td>
<td class="nump">$ 57,300<span></span>
</td>
<td class="nump">21,793<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LongTermDebtMember', window );">Long-term debt [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtByComponentsCurrentAndNoncurrentAlternativeAbstract', window );"><strong>Long term debt outstanding [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFinanceCostsNet', window );">Unamortized debt issuance costs</a></td>
<td class="nump">5,694<span></span>
</td>
<td class="nump">5,832<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentUnamortizedDiscount', window );">Discount</a></td>
<td class="nump">$ 1<span></span>
</td>
<td class="nump">$ 104<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentUnamortizedDiscount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt discount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1A<br> -URI http://asc.fasb.org/extlink&amp;oid=64930785&amp;loc=d3e28541-108399<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=64930739&amp;loc=d3e28878-108400<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentUnamortizedDiscount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredFinanceCostsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=64930785&amp;loc=d3e28555-108399<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredFinanceCostsNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtByComponentsCurrentAndNoncurrentAlternativeAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtByComponentsCurrentAndNoncurrentAlternativeAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19,20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtWeightedAverageInterestRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average interest rate of long-term debt outstanding calculated at point in time.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtWeightedAverageInterestRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=us-gaap_CommercialPaperMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=us-gaap_CommercialPaperMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=us-gaap_MediumTermNotesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=us-gaap_MediumTermNotesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableToBanksMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableToBanksMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=us-gaap_LongTermDebtMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongtermDebtTypeAxis=us-gaap_LongTermDebtMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6861468032">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Schedule of debt maturities (Details 4)<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Dec. 31, 2017 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentRedemptionLineItems', window );"><strong>Long-term debt maturities [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths', window );">2018</a></td>
<td class="nump">$ 148,499<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo', window );">2019</a></td>
<td class="nump">125,504<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree', window );">2020</a></td>
<td class="nump">73,012<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour', window );">2021</a></td>
<td class="nump">15,312<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive', window );">2022</a></td>
<td class="nump">147,214<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive', window );">Thereafter</a></td>
<td class="nump">$ 1,211,007<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentRedemptionLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentRedemptionLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6802200&amp;loc=d3e1835-112601<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04.(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24072-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04.(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24072-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6802200&amp;loc=d3e1835-112601<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6802200&amp;loc=d3e1835-112601<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04.(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24072-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04.(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24072-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6802200&amp;loc=d3e1835-112601<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6802200&amp;loc=d3e1835-112601<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04.(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24072-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6802200&amp;loc=d3e1835-112601<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04.(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24072-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
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<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6854774560">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Asset Retirement Obligations (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward', window );"><strong>Asset retirement obligation [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligation', window );">Balance, beginning of period</a></td>
<td class="nump">$ 314,970<span></span>
</td>
<td class="nump">$ 242,224<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationLiabilitiesIncurred', window );">Liabilities incurred</a></td>
<td class="nump">15,110<span></span>
</td>
<td class="nump">15,114<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationLiabilitiesSettled', window );">Liabilities settled</a></td>
<td class="num">(4,981)<span></span>
</td>
<td class="num">(4,338)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationAccretionExpense', window );">Accretion expense</a></td>
<td class="nump">16,839<span></span>
</td>
<td class="nump">13,918<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligationRevisionOfEstimate', window );">Revisions in estimates</a></td>
<td class="nump">31<span></span>
</td>
<td class="nump">48,052<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetRetirementObligation', window );">Balance, end of period</a></td>
<td class="nump">341,969<span></span>
</td>
<td class="nump">314,970<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetAxis=us-gaap_AssetRetirementObligationCostsMember', window );">Asset retirement obligation costs [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryAssetLineItems', window );"><strong>Regulatory Assets [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccretionExpenseIncludingAssetRetirementObligations', window );">Accretion expense, including asset retirement obligations</a></td>
<td class="nump">$ 15,600<span></span>
</td>
<td class="nump">$ 12,700<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccretionExpenseIncludingAssetRetirementObligations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accretion expense, which includes, but is not limited to, accretion expense from asset retirement obligations, environmental remediation obligations, and other contingencies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccretionExpenseIncludingAssetRetirementObligations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationAccretionExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6392676&amp;loc=d3e7480-110848<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationAccretionExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationLiabilitiesIncurred">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of asset retirement obligations incurred during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationLiabilitiesIncurred</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationLiabilitiesSettled">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationLiabilitiesSettled</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationRevisionOfEstimate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in the asset retirement obligation from changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=6392692&amp;loc=d3e7535-110849<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 20<br> -Section 35<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=6392603&amp;loc=d3e7123-110846<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationRevisionOfEstimate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetRetirementObligationRollForwardAnalysisRollForward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAssetAxis=us-gaap_AssetRetirementObligationCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAssetAxis=us-gaap_AssetRetirementObligationCostsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6857138960">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Preferred Stocks (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Apr. 01, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockValue', window );">Preferred stocks</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 15,000,000<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsForRepurchaseOfRedeemablePreferredStock', window );">Payments for repurchase of redeemable preferred stock</a></td>
<td class="nump">$ 15,600,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_RedeemablePreferredStockClassifiedasLongTermDebt', window );">Redeemable preferred stock classified as long term debt</a></td>
<td class="nump">$ 300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=mdu_PreferredStockWithParValueMember', window );">Cumulative Preferred Stock, Par Value $100 Issuable in Series [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesAuthorized', window );">Authorized preferred cumulative shares (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockParOrStatedValuePerShare', window );">Cumulative preferred shares, par value (in dollars per share)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 100.00<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=mdu_PreferredStockSeries45Member', window );">Preferred stock, series 4.50% [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockValue', window );">Preferred stocks</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 10,000,000<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesOutstanding', window );">Preferred shares outstanding (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockDividendRatePercentage', window );">Preferred stock, $100 par value</a></td>
<td class="nump">4.50%<span></span>
</td>
<td class="nump">4.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockDividendsPerShareDeclared', window );">Preferred stock, dividends per share, declared</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4.50<span></span>
</td>
<td class="text">&#160;<span></span>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockRedemptionPricePerShare', window );">Preferred stock, redemption per share amount</a></td>
<td class="nump">$ 105<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=mdu_PreferredStockSeries470Member', window );">Preferred stock, series 4.70% [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockValue', window );">Preferred stocks</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5,000,000<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesOutstanding', window );">Preferred shares outstanding (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">50,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockDividendRatePercentage', window );">Preferred stock, $100 par value</a></td>
<td class="nump">4.70%<span></span>
</td>
<td class="nump">4.70%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockDividendsPerShareDeclared', window );">Preferred stock, dividends per share, declared</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4.70<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockRedemptionPricePerShare', window );">Preferred stock, redemption per share amount</a></td>
<td class="nump">$ 102<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=us-gaap_PreferredClassAMember', window );">Cumulative preferred stock A, without par value, issuable in series [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesAuthorized', window );">Authorized preferred cumulative shares (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=mdu_PreferenceStockMember', window );">Cumulative preference stock , without par value, issuable in series [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfStockLineItems', window );"><strong>Class of Stock [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockSharesAuthorized', window );">Authorized preferred cumulative shares (in shares)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_RedeemablePreferredStockClassifiedasLongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Redeemable preferred stock formally classified as long-term debt</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_RedeemablePreferredStockClassifiedasLongTermDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfStockLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ClassOfStockLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsForRepurchaseOfRedeemablePreferredStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow for reacquisition of callable preferred stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsForRepurchaseOfRedeemablePreferredStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockDividendRatePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The percentage rate used to calculate dividend payments on preferred stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockDividendRatePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockDividendsPerShareDeclared">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate dividends declared during the period for each share of preferred stock outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockDividendsPerShareDeclared</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockParOrStatedValuePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockParOrStatedValuePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockRedemptionPricePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21475-112644<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21564-112644<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84159872&amp;loc=d3e21488-112644<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockRedemptionPricePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=mdu_PreferredStockWithParValueMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=mdu_PreferredStockWithParValueMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=mdu_PreferredStockSeries45Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=mdu_PreferredStockSeries45Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=mdu_PreferredStockSeries470Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=mdu_PreferredStockSeries470Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=us-gaap_PreferredClassAMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=us-gaap_PreferredClassAMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=mdu_PreferenceStockMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=mdu_PreferenceStockMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<DOCUMENT>
<TYPE>XML
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<FILENAME>R85.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6861488432">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Common stock (Details) - USD ($)<br> $ / shares in Units, shares in Millions, $ in Millions</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockDividendsPerShareDeclared', window );">Dividends declared per common share</a></td>
<td class="nump">$ 0.7750<span></span>
</td>
<td class="nump">$ 0.7550<span></span>
</td>
<td class="nump">$ 0.7350<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries', window );">Company's subsidiaries net assets restricted from being used to transfer funds to the Company</a></td>
<td class="nump">$ 1,300<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_RatioOfEarningsBeforeInterestAndTaxesToInterestExpenseAsSpecifiedInDebtConvenants', window );">Credit agreement limitation on company ratio of funded debt to capitalization (excluding subsidiaries)</a></td>
<td class="nump">65.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_CompanysExcludingItsSubsidiariesNetAssetsRestrictedFromUseForDividendPayments', window );">Company's (excluding its subsidiaries) net assets restricted from use for dividend payments</a></td>
<td class="nump">$ 384<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConsolidatedEntitiesAxis=us-gaap_ParentCompanyMember', window );">MDU Resources Group, Inc. [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance', window );">Shares of common stock reserved for original issuance under the K-Plan (in shares)</a></td>
<td class="nump">7.8<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LegalEntityAxis=mdu_CentennialMember', window );">Centennial [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_MaximumDistributionsToTheCompanyAsARatioOfAverageConsolidatedIndebtednessToConsolidatedEBITDA', window );">Maximum distributions to the company as a ratio of average consolidated indebtedness to consolidated EBITDA</a></td>
<td class="nump">300.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_CompanysExcludingItsSubsidiariesNetAssetsRestrictedFromUseForDividendPayments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Company's (excluding its subsidiaries) net assets restricted from use for dividend payments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_CompanysExcludingItsSubsidiariesNetAssetsRestrictedFromUseForDividendPayments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_MaximumDistributionsToTheCompanyAsARatioOfAverageConsolidatedIndebtednessToConsolidatedEBITDA">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum distributions to the company by the subsidiary as a ratio of average consolidated indebtedness, as of the last day of fiscal quarter and the three previous quarters, to consolidated EBITDA.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_MaximumDistributionsToTheCompanyAsARatioOfAverageConsolidatedIndebtednessToConsolidatedEBITDA</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_RatioOfEarningsBeforeInterestAndTaxesToInterestExpenseAsSpecifiedInDebtConvenants">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Ratio of earnings before interest and taxes to interest expense as specified in debt convenants.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_RatioOfEarningsBeforeInterestAndTaxesToInterestExpenseAsSpecifiedInDebtConvenants</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(e)(3)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate number of common shares reserved for future issuance.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockCapitalSharesReservedForFutureIssuance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockDividendsPerShareDeclared">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate dividends declared during the period for each share of common stock outstanding.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockDividendsPerShareDeclared</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConsolidatedEntitiesAxis=us-gaap_ParentCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConsolidatedEntitiesAxis=us-gaap_ParentCompanyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LegalEntityAxis=mdu_CentennialMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LegalEntityAxis=mdu_CentennialMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>100
<FILENAME>R86.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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</head>
<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6861540960">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Stock based compensation plans (Details) - USD ($)<br> shares in Millions, $ in Millions</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationAbstract', window );"><strong>Share-based Compensation [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant', window );">Share-based compensation arrangement, number of shares available for grant</a></td>
<td class="nump">5.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax', window );">Share-based compensation expense, net of tax</a></td>
<td class="nump">$ 2.7<span></span>
</td>
<td class="nump">$ 3.3<span></span>
</td>
<td class="nump">$ 2.9<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized', window );">Share-based compensation nonvested awards total compensation cost not yet recognized</a></td>
<td class="nump">$ 4.8<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1', window );">Share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition</a></td>
<td class="text">1 year 6 months<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllocatedShareBasedCompensationExpenseNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Unrecognized cost of unvested share-based compensation awards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>101
<FILENAME>R87.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6856447024">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Stock awards (Details 2) - Nonemployee director stock compensation plan [Member] - USD ($)<br> $ in Millions</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based compensation arrangement by share-based payment award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionQuantityOfSecuritiesIssued', window );">Nonemployee director stock compensation shares issued</a></td>
<td class="nump">40,572<span></span>
</td>
<td class="nump">37,218<span></span>
</td>
<td class="nump">58,181<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionStockholdersEquity', window );">Fair value of nonemployee director stock compensation shares issued</a></td>
<td class="nump">$ 1.1<span></span>
</td>
<td class="nump">$ 1.1<span></span>
</td>
<td class="nump">$ 1.1<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionQuantityOfSecuritiesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of shares or units of entity securities issued in the transaction in which equity securities were issued to pay for goods or nonemployee services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 50<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=68057994&amp;loc=d3e25284-112666<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionQuantityOfSecuritiesIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionStockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount by which stockholders' equity was increased by the transaction in which equity securities were issued to pay for goods or nonemployee services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 50<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=68057994&amp;loc=d3e25284-112666<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedGoodsAndNonemployeeServicesTransactionStockholdersEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=mdu_NonemployeeDirectorStockCompensationPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=mdu_NonemployeeDirectorStockCompensationPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>102
<FILENAME>R88.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6877260544">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Performance share awards (Details 3) - Performance shares [Member] - USD ($)<br></strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based compensation arrangement by share-based payment award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_HistoricalVolitilityRate', window );">Historical volatility rate</a></td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ImpliedVolatilityRate', window );">Implied volatility rate</a></td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue', window );">Weighted average grant-date fair value</a></td>
<td class="nump">$ 24.31<span></span>
</td>
<td class="nump">$ 14.60<span></span>
</td>
<td class="nump">$ 18.98<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum', window );">Expected volatility rate, minimum</a></td>
<td class="nump">22.70%<span></span>
</td>
<td class="nump">29.25%<span></span>
</td>
<td class="nump">22.86%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum', window );">Expected volatility rate, maximum</a></td>
<td class="nump">25.56%<span></span>
</td>
<td class="nump">32.51%<span></span>
</td>
<td class="nump">24.61%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum', window );">Risk-free interest rate, minimum</a></td>
<td class="nump">0.69%<span></span>
</td>
<td class="nump">0.47%<span></span>
</td>
<td class="nump">0.05%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum', window );">Risk-free interest rate, maximum</a></td>
<td class="nump">1.61%<span></span>
</td>
<td class="nump">0.92%<span></span>
</td>
<td class="nump">1.07%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments', window );">Weighted average discounted dividends per share</a></td>
<td class="nump">$ 1.70<span></span>
</td>
<td class="nump">$ 1.56<span></span>
</td>
<td class="nump">$ 1.57<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue', window );">Fair value of vested shares</a></td>
<td class="nump">$ 9,600,000<span></span>
</td>
<td class="nump">$ 953,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward', window );"><strong>Share-based compensation arrangement by share-based payment award, options, outstanding [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber', window );">Nonvested at beginning of period</a></td>
<td class="nump">664,188<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue', window );">Nonvested at beginning of period</a></td>
<td class="nump">$ 21.47<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod', window );">Granted</a></td>
<td class="nump">203,646<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue', window );">Weighted average grant-date fair value</a></td>
<td class="nump">$ 24.31<span></span>
</td>
<td class="nump">$ 14.60<span></span>
</td>
<td class="nump">$ 18.98<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPeriodIncreaseDecrease', window );">Additional performance shares earned</a></td>
<td class="nump">81,643<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalPerformanceSharesWeightedAverageGrantDateFairValue', window );">Weighted average grant-date fair value additional performance shares earned</a></td>
<td class="nump">$ 19.22<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod', window );">Vested</a></td>
<td class="nump">360,319<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue', window );">Vested</a></td>
<td class="nump">$ 24.88<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod', window );">Forfeited</a></td>
<td class="nump">163,624<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue', window );">Forfeited</a></td>
<td class="nump">$ 24.46<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber', window );">Nonvested at end of period</a></td>
<td class="nump">425,534<span></span>
</td>
<td class="nump">664,188<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue', window );">Nonvested at end of period</a></td>
<td class="nump">$ 18.35<span></span>
</td>
<td class="nump">$ 21.47<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember', window );">Grant date February 2016 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based compensation arrangement by share-based payment award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized', window );">Target grant of shares under performance awards</a></td>
<td class="nump">258,825<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember', window );">Grant date March 2016 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based compensation arrangement by share-based payment award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized', window );">Target grant of shares under performance awards</a></td>
<td class="nump">2,151<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember', window );">Grant date February 2017 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based compensation arrangement by share-based payment award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized', window );">Target grant of shares under performance awards</a></td>
<td class="nump">164,558<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RangeAxis=us-gaap_MinimumMember', window );">Minimum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based compensation arrangement by share-based payment award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ParticipantTargetGrantofSharesPercentageRateRange', window );">Participant target grant of shares, percentage rate range</a></td>
<td class="nump">0.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RangeAxis=us-gaap_MaximumMember', window );">Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-based compensation arrangement by share-based payment award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_ParticipantTargetGrantofSharesPercentageRateRange', window );">Participant target grant of shares, percentage rate range</a></td>
<td class="nump">200.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_HistoricalVolitilityRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Historical Volitility Rate</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_HistoricalVolitilityRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_ImpliedVolatilityRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Implied Volatility Rate</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_ImpliedVolatilityRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_ParticipantTargetGrantofSharesPercentageRateRange">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Participant Target Grant of Shares, Percentage Rate Range.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_ParticipantTargetGrantofSharesPercentageRateRange</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalPerformanceSharesWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee earned additional performance shares during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAdditionalPerformanceSharesWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(i)-(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(i)-(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPeriodIncreaseDecrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net total number of shares (or other type of equity) under an equity-based award plan, other than a stock option plan, that were granted, vested and forfeited during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsPeriodIncreaseDecrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(2)(iii)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The estimated amount of dividends to be paid to holders of the underlying shares (expected dividends) over the option's term. Dividends are taken into account because payment of dividends to shareholders reduces the fair value of the underlying shares, and option holders generally do not receive dividends.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (f)(2)(iii)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendPayments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
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</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum risk-free interest rate assumption that is used in valuing an option on its own shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</div></td></tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>num:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=96867065&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardDateAxis=mdu_GrantdateFebruary2016Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardDateAxis=mdu_GrantDateMarch2016Member</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardDateAxis=mdu_Grantdatefebruary2017Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardDateAxis=mdu_Grantdatefebruary2017Member</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<tr>
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<head>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6865404032">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Components of income before income taxes from continuing operations (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic', window );">United States</a></td>
<td class="nump">$ 350,064<span></span>
</td>
<td class="nump">$ 326,252<span></span>
</td>
<td class="nump">$ 248,379<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign', window );">Foreign</a></td>
<td class="num">(37)<span></span>
</td>
<td class="num">(24)<span></span>
</td>
<td class="num">(1,326)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before income taxes</a></td>
<td class="nump">$ 350,027<span></span>
</td>
<td class="nump">$ 326,228<span></span>
</td>
<td class="nump">$ 247,053<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(h)(1)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 940<br> -SubTopic 20<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=68072869&amp;loc=d3e41242-110953<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(15))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(h)(1)(i))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxDisclosureAbstract</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6857855312">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income tax expense (benefit) (Details 2) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract', window );"><strong>Current:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CurrentFederalTaxExpenseBenefit', window );">Federal</a></td>
<td class="nump">$ 74,272<span></span>
</td>
<td class="nump">$ 81,989<span></span>
</td>
<td class="nump">$ 85,897<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CurrentStateAndLocalTaxExpenseBenefit', window );">State</a></td>
<td class="nump">16,192<span></span>
</td>
<td class="nump">13,190<span></span>
</td>
<td class="nump">10,093<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CurrentForeignTaxExpenseBenefit', window );">Foreign</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">2<span></span>
</td>
<td class="nump">30<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CurrentIncomeTaxExpenseBenefit', window );">Current income taxes</a></td>
<td class="nump">90,464<span></span>
</td>
<td class="nump">95,181<span></span>
</td>
<td class="nump">96,020<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefitAbstract', window );"><strong>Deferred:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredFederalIncomeTaxExpenseBenefit', window );">Federal</a></td>
<td class="num">(24,497)<span></span>
</td>
<td class="num">(2,102)<span></span>
</td>
<td class="num">(19,632)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit', window );">State</a></td>
<td class="num">(864)<span></span>
</td>
<td class="nump">1,184<span></span>
</td>
<td class="num">(5,304)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxCreditsAndAdjustments', window );">Investment tax credit - net</a></td>
<td class="num">(62)<span></span>
</td>
<td class="num">(1,131)<span></span>
</td>
<td class="num">(420)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxExpenseBenefit', window );">Deferred income taxes</a></td>
<td class="num">(25,423)<span></span>
</td>
<td class="num">(2,049)<span></span>
</td>
<td class="num">(25,356)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Total income tax expense</a></td>
<td class="nump">$ 65,041<span></span>
</td>
<td class="nump">$ 93,132<span></span>
</td>
<td class="nump">$ 70,664<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CurrentFederalTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CurrentFederalTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CurrentForeignTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CurrentForeignTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CurrentIncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CurrentIncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CurrentStateAndLocalTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CurrentStateAndLocalTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredFederalIncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredFederalIncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredFederalStateAndLocalTaxExpenseBenefitAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxCreditsAndAdjustments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A credit or adjustment for government or taxing authority authorized decrease in taxes owed as a result of meeting certain tax policy conditions.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxCreditsAndAdjustments</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a),(b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6858947280">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Tax reform (Details 3) - USD ($)<br></strong></div></th>
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<th class="th" colspan="3">12 Months Ended</th>
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<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
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<td class="nump">$ 7,735,000<span></span>
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<td class="nump">$ 0<span></span>
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<td class="nump">$ 0<span></span>
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<td class="text">&#160;<span></span>
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<td class="nump">285,520,000<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="nump">447,000<span></span>
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<td class="nump">$ 447,000<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherComprehensiveIncomeLocationAxis=us-gaap_OtherComprehensiveIncomeMember', window );">Other comprehensive income (loss) [Member]</a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability', window );">TCJA revaluation related to accumulated other comprehensive loss balance</a></td>
<td class="nump">7,700,000<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsHeldforsaleMember', window );">Discontinued operations, held-for-sale [Member]</a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability', window );">TCJA revaluation related to accumulated other comprehensive loss balance</a></td>
<td class="nump">1,000,000.0<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_StrandedCostsMember', window );">Stranded costs [Member]</a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DeferredTaxLiabilitiesReclasstoRegulatoryAssets', window );">Deferred tax liabilities, regulatory assets</a></td>
<td class="num">$ (285,500,000)<span></span>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DeferredTaxLiabilitiesReclasstoRegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Deferred tax liabilities, reclass to regulatory assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DeferredTaxLiabilitiesReclasstoRegulatoryAssets</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=96869850&amp;loc=d3e28680-109314<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilitiesUndistributedForeignEarnings</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability</td>
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<td><strong> Balance Type:</strong></td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsHeldforsaleMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsHeldforsaleMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryLiabilityAxis=us-gaap_StrandedCostsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryLiabilityAxis=us-gaap_StrandedCostsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6861489008">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Components of deferred tax assets and liabilities (Details 4) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsGrossAbstract', window );"><strong>Deferred tax assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions', window );">Postretirement</a></td>
<td class="nump">$ 55,736<span></span>
</td>
<td class="nump">$ 87,872<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation', window );">Compensation-related</a></td>
<td class="nump">16,298<span></span>
</td>
<td class="nump">44,995<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax', window );">Alternative minimum tax credit carryforward</a></td>
<td class="nump">37,683<span></span>
</td>
<td class="nump">29,338<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DeferredTaxAssetsTaxCreditCarryforwardsProductionTaxCredits', window );">Federal renewable energy credit</a></td>
<td class="nump">19,367<span></span>
</td>
<td class="nump">16,944<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_CustomerAdvances', window );">Customer advances</a></td>
<td class="nump">8,712<span></span>
</td>
<td class="nump">13,524<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations', window );">Legal and environmental contingencies</a></td>
<td class="nump">7,363<span></span>
</td>
<td class="nump">9,895<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements', window );">Asset retirement obligations</a></td>
<td class="nump">6,380<span></span>
</td>
<td class="nump">8,867<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsOther', window );">Other</a></td>
<td class="nump">35,738<span></span>
</td>
<td class="nump">46,957<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsGross', window );">Total deferred tax assets</a></td>
<td class="nump">187,277<span></span>
</td>
<td class="nump">258,392<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesAbstract', window );"><strong>Deferred tax liabilities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment', window );">Depreciation and basis differences on property, plant and equipment</a></td>
<td class="nump">429,577<span></span>
</td>
<td class="nump">774,838<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DeferredTaxliabilitiesPostretirementBenefits', window );">Postretirement</a></td>
<td class="nump">43,505<span></span>
</td>
<td class="nump">70,670<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets', window );">Intangible asset amortization</a></td>
<td class="nump">16,979<span></span>
</td>
<td class="nump">26,413<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilitiesOther', window );">Other</a></td>
<td class="nump">32,591<span></span>
</td>
<td class="nump">45,580<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxLiabilities', window );">Total deferred tax liabilities</a></td>
<td class="nump">522,652<span></span>
</td>
<td class="nump">917,501<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxAssetsValuationAllowance', window );">Valuation allowance</a></td>
<td class="nump">11,896<span></span>
</td>
<td class="nump">9,117<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredTaxLiabilities', window );">Deferred Tax Liabilities, Net</a></td>
<td class="nump">$ 347,271<span></span>
</td>
<td class="nump">$ 668,226<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_CustomerAdvances">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Deferred tax assets related to customer advances.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_CustomerAdvances</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DeferredTaxAssetsTaxCreditCarryforwardsProductionTaxCredits">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Deferred tax assets, tax credit carryforwards, production tax credits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DeferredTaxAssetsTaxCreditCarryforwardsProductionTaxCredits</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DeferredTaxliabilitiesPostretirementBenefits">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax liability attributable to deductible temporary differences from postretirement benefits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DeferredTaxliabilitiesPostretirementBenefits</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax liability attributable to taxable temporary differences.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(15)(b)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(15)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(26)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(26)(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsGrossAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsGrossAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=96869850&amp;loc=d3e28680-109314<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible alternative minimum tax credit carryforwards.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32559-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=96869850&amp;loc=d3e28680-109314<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from pension benefits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from asset retirement obligations. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=96869850&amp;loc=d3e28680-109314<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAssetRetirementObligations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the estimated loss from legal settlements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=96869850&amp;loc=d3e28680-109314<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLegalSettlements</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxAssetsValuationAllowance">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxAssetsValuationAllowance</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84176650&amp;loc=d3e31931-109318<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32537-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=96869850&amp;loc=d3e28680-109314<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilitiesOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax liability attributable to taxable temporary differences classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=96869850&amp;loc=d3e28680-109314<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilitiesOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32632-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32621-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 25<br> -Paragraph 20<br> -URI http://asc.fasb.org/extlink&amp;oid=96869850&amp;loc=d3e28680-109314<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>107
<FILENAME>R93.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6864159168">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Carryforwards (Details 5) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember', window );">State and local jurisdiction [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwardsLineItems', window );"><strong>Carryforwards [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwards', window );">Operating loss carryforwards</a></td>
<td class="nump">$ 130.1<span></span>
</td>
<td class="nump">$ 114.7<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_InvestmentTaxCreditCarryforwardAmount', window );">Investment tax credit carryforward, amount</a></td>
<td class="nump">28.0<span></span>
</td>
<td class="nump">20.7<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxAuthorityAxis=mdu_FederalandStateTaxingAuthorityMember', window );">Federal and State Taxing Authority [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLossCarryforwardsLineItems', window );"><strong>Carryforwards [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxCreditCarryforwardAmount', window );">Tax credit carryforward, amount</a></td>
<td class="nump">$ 52.5<span></span>
</td>
<td class="nump">$ 43.3<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_InvestmentTaxCreditCarryforwardAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of investment tax credit carryforward.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_InvestmentTaxCreditCarryforwardAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLossCarryforwards">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32559-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLossCarryforwards</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLossCarryforwardsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLossCarryforwardsLineItems</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TaxCreditCarryforwardAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32559-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TaxCreditCarryforwardAmount</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxAuthorityAxis=us-gaap_StateAndLocalJurisdictionMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxAuthorityAxis=mdu_FederalandStateTaxingAuthorityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxAuthorityAxis=mdu_FederalandStateTaxingAuthorityMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>108
<FILENAME>R94.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6862883040">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Deferred tax reconciliation (Details 6) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxDisclosureAbstract', window );"><strong>Income Tax Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_IncomeTaxReconciliationChangeInNetDeferredIncomeTaxLiability', window );">Change in net deferred income tax liability from the preceding table</a></td>
<td class="num">$ (320,955)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DeferredTaxReconciliationOtherComprehensiveIncome', window );">Deferred taxes associated with other comprehensive loss</a></td>
<td class="nump">1,182<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DeferredTaxLiabilitiesReclasstoRegulatoryAssets', window );">Deferred tax liabilities, regulatory assets</a></td>
<td class="nump">285,520<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DeferredTaxReconciliationOther', window );">Other</a></td>
<td class="nump">8,830<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxExpenseBenefit', window );">Deferred income taxes</a></td>
<td class="num">$ (25,423)<span></span>
</td>
<td class="num">$ (2,049)<span></span>
</td>
<td class="num">$ (25,356)<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DeferredTaxLiabilitiesReclasstoRegulatoryAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Deferred tax liabilities, reclass to regulatory assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DeferredTaxLiabilitiesReclasstoRegulatoryAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DeferredTaxReconciliationOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Other changes not specifically defined to reconcile net deferred income tax liability to deferred income tax expense for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DeferredTaxReconciliationOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DeferredTaxReconciliationOtherComprehensiveIncome">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Taxes associated with other comprehensive income to reconcile net deferred income tax liability to deferred income tax expense for the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DeferredTaxReconciliationOtherComprehensiveIncome</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_IncomeTaxReconciliationChangeInNetDeferredIncomeTaxLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Change in net deferred income tax liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_IncomeTaxReconciliationChangeInNetDeferredIncomeTaxLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6863672720">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Income tax expense (benefit) statutory rate versus actual rate (Details 7) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract', window );"><strong>Computed tax at federal statutory rate</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate', window );">Computed tax at federal statutory rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 122,509<span></span>
</td>
<td class="nump">$ 114,179<span></span>
</td>
<td class="nump">$ 86,468<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate', window );">Federal statutory rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">35.00%<span></span>
</td>
<td class="nump">35.00%<span></span>
</td>
<td class="nump">35.00%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract', window );"><strong>Increases (reductions) resulting from:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes', window );">State income taxes, net of federal income tax</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 10,724<span></span>
</td>
<td class="nump">$ 9,027<span></span>
</td>
<td class="nump">$ 8,208<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes', window );">State income tax rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3.10%<span></span>
</td>
<td class="nump">2.80%<span></span>
</td>
<td class="nump">3.30%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationTaxCreditsOther', window );">Federal renewable energy credit</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (13,958)<span></span>
</td>
<td class="num">$ (13,544)<span></span>
</td>
<td class="num">$ (3,400)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther', window );">Federal renewable energy credit rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(4.00%)<span></span>
</td>
<td class="num">(4.20%)<span></span>
</td>
<td class="num">(1.40%)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationTaxSettlements', window );">Tax compliance and uncertain tax positions</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (643)<span></span>
</td>
<td class="num">$ (3,028)<span></span>
</td>
<td class="num">$ (2,607)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements', window );">Tax compliance and uncertain tax positions</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(0.20%)<span></span>
</td>
<td class="num">(0.90%)<span></span>
</td>
<td class="num">(1.00%)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationDeductionsQualifiedProductionActivities', window );">Domestic production deduction</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (6,849)<span></span>
</td>
<td class="num">$ (6,251)<span></span>
</td>
<td class="num">$ (6,842)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities', window );">Domestic production deduction, rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(2.00%)<span></span>
</td>
<td class="num">(1.90%)<span></span>
</td>
<td class="num">(2.80%)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_IncomeTaxExpenseBenefitContinuingOperationsReclassofDeferredTaxAssetLiability', window );">TCJA revaluation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (47,242)<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_EffectiveIncomeTaxRateIncometaxexpensebenefitcontinuingoperationsreclassofdeferredtaxassetliability.', window );">TCJA revaluation, rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(13.50%)<span></span>
</td>
<td class="nump">0.00%<span></span>
</td>
<td class="nump">0.00%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability', window );">TCJA revaluation related to accumulated other comprehensive loss balance</a></td>
<td class="num">$ (39,500)<span></span>
</td>
<td class="nump">$ 7,735<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_EffectiveTaxRateIncomeTaxExpenseBenefitContinuingOperationsAdjustmentofDeferredTaxAssetLiability', window );">TCJA revaluation related to accumulated other comprehensive loss balance, rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2.20%<span></span>
</td>
<td class="nump">0.00%<span></span>
</td>
<td class="nump">0.00%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxReconciliationOtherAdjustments', window );">Other</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (7,235)<span></span>
</td>
<td class="num">$ (7,251)<span></span>
</td>
<td class="num">$ (11,163)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments', window );">Other rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(2.00%)<span></span>
</td>
<td class="num">(2.30%)<span></span>
</td>
<td class="num">(4.50%)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Total income tax expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 65,041<span></span>
</td>
<td class="nump">$ 93,132<span></span>
</td>
<td class="nump">$ 70,664<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EffectiveIncomeTaxRateContinuingOperations', window );">Total income tax expense rate</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18.60%<span></span>
</td>
<td class="nump">28.50%<span></span>
</td>
<td class="nump">28.60%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_EffectiveIncomeTaxRateIncometaxexpensebenefitcontinuingoperationsreclassofdeferredtaxassetliability.">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Effective income tax rate income tax expense (benefit), continuing operations, reclass of deferred tax (asset) liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_EffectiveIncomeTaxRateIncometaxexpensebenefitcontinuingoperationsreclassofdeferredtaxassetliability.</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_EffectiveTaxRateIncomeTaxExpenseBenefitContinuingOperationsAdjustmentofDeferredTaxAssetLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Effective tax rate, income tax expense (benefit), continuing operations, adjustment of deferred tax (asset) liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_EffectiveTaxRateIncomeTaxExpenseBenefitContinuingOperationsAdjustmentofDeferredTaxAssetLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_IncomeTaxExpenseBenefitContinuingOperationsReclassofDeferredTaxAssetLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Income tax expense (benefit), continuing operations, reclass of deferred tax (asset) liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_IncomeTaxExpenseBenefitContinuingOperationsReclassofDeferredTaxAssetLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(h)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateContinuingOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of domestic federal statutory tax rate applicable to pretax income (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for qualified production activity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other tax credits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB TOPIC 6.I)<br> -URI http://asc.fasb.org/extlink&amp;oid=34349781&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a),(b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationDeductionsQualifiedProductionActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the difference between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for qualified production activity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationDeductionsQualifiedProductionActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationOtherAdjustments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationOtherAdjustments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to state and local income tax expense (benefit).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationTaxCreditsOther">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other tax credits.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationTaxCreditsOther</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxReconciliationTaxSettlements">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32687-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 13<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32698-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxReconciliationTaxSettlements</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<DOCUMENT>
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<head>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6771991984">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Unrecognized tax benefits (Details 8) - USD ($)<br></strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward', window );"><strong>Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_InterestExpenseRecognizedInIncomeTaxExpense', window );">Interest (expense) recognized in income tax expense</a></td>
<td class="num">$ (99,000)<span></span>
</td>
<td class="num">$ (92,000)<span></span>
</td>
<td class="nump">$ 122,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued', window );">Accrued liability for payment of interest</a></td>
<td class="nump">$ 46,000<span></span>
</td>
<td class="nump">$ 54,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_InterestExpenseRecognizedInIncomeTaxExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Interest expense recognized in income tax expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_InterestExpenseRecognizedInIncomeTaxExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of interest expense accrued for an underpayment of income taxes.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 15<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32718-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<DOCUMENT>
<TYPE>XML
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<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6853106960">
<tr>
<th class="tl" colspan="2" rowspan="2"><div style="width: 200px;"><strong>Cash flow information (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestPaidNet', window );">Interest, net</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">$ 79,638,000<span></span>
</td>
<td class="nump">$ 87,920,000<span></span>
</td>
<td class="nump">$ 88,775,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxesPaidNet', window );">Income taxes paid, net</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="nump">112,137,000<span></span>
</td>
<td class="nump">105,908,000<span></span>
</td>
<td class="nump">61,405,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestCostsIncurredCapitalized', window );">Capitalized interest and AFUDC borrowed</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">966,000<span></span>
</td>
<td class="nump">914,000<span></span>
</td>
<td class="nump">9,300,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CapitalExpendituresIncurredButNotYetPaid', window );">Property, plant and equipment additions in accounts payable</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">29,263,000<span></span>
</td>
<td class="nump">22,712,000<span></span>
</td>
<td class="nump">39,754,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementOperatingActivitiesSegmentAxis=mdu_ContinuinganddiscontinuedoperationsMember', window );">Continuing and discontinued operations [Member]</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxesPaidNet', window );">Income taxes paid, net</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 9,700,000<span></span>
</td>
<td class="nump">$ 1,300,000<span></span>
</td>
<td class="nump">$ 2,400,000<span></span>
</td>
</tr>
<tr><td colspan="5"></td></tr>
<tr><td colspan="5"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Capitalized interest and AFUDC - borrowed was <span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$966,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$914,000</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$9.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> for the years ended December&#160;31, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2015</span>, respectively.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">Income taxes paid, net of discontinued operations, were <span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$9.7&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$1.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$2.4&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> for the years ended December&#160;31, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2017</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2016</span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">2015</span>, respectively.</td>
</tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Future cash outflow to pay for purchases of fixed assets that have occurred.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4332-108586<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4313-108586<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4304-108586<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4297-108586<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of interest capitalized, including amount of allowance for funds used during construction.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 835<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6501662&amp;loc=d3e56162-110433<br></p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash paid, after deduction of cash paid for capitalized interest, for interest. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=98513485&amp;loc=d3e4297-108586<br></p></div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6947036816">
<tr>
<th class="tl" colspan="2" rowspan="2"><div style="width: 200px;"><strong>Business segment data (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="8">3 Months Ended</th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Sep. 30, 2017</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
<th class="th"><div>Mar. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Sep. 30, 2016</div></th>
<th class="th"><div>Jun. 30, 2016</div></th>
<th class="th"><div>Mar. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 1,165,239<span></span>
</td>
<td class="nump">$ 1,272,548<span></span>
</td>
<td class="nump">$ 1,067,639<span></span>
</td>
<td class="nump">$ 937,925<span></span>
</td>
<td class="nump">$ 1,016,099<span></span>
</td>
<td class="nump">$ 1,208,567<span></span>
</td>
<td class="nump">$ 1,043,948<span></span>
</td>
<td class="nump">$ 860,214<span></span>
</td>
<td class="nump">$ 4,443,351<span></span>
</td>
<td class="nump">$ 4,128,828<span></span>
</td>
<td class="nump">$ 4,014,052<span></span>
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</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Intersegmentoperatingrevenues', window );">Intersegment operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">207,486<span></span>
</td>
<td class="nump">216,318<span></span>
</td>
<td class="nump">211,747<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">82,788<span></span>
</td>
<td class="nump">87,848<span></span>
</td>
<td class="nump">91,179<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">65,041<span></span>
</td>
<td class="nump">93,132<span></span>
</td>
<td class="nump">70,664<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic', window );">Earnings (loss) on common stock:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">284,215<span></span>
</td>
<td class="nump">232,411<span></span>
</td>
<td class="nump">175,704<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax', window );">Loss from discontinued operations, net of tax</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(3,783)<span></span>
</td>
<td class="num">(300,354)<span></span>
</td>
<td class="num">(834,080)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest', window );">Loss from discontinued operations attributable to noncontrolling interest</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="num">(131,691)<span></span>
</td>
<td class="num">(35,256)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic', window );">Total earnings (loss) on common stock</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">280,432<span></span>
</td>
<td class="nump">63,748<span></span>
</td>
<td class="num">(623,120)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentAdditions', window );">Capital expenditures</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">351,924<span></span>
</td>
<td class="nump">372,420<span></span>
</td>
<td class="nump">572,134<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">6,334,666<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6,284,467<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6,334,666<span></span>
</td>
<td class="nump">6,284,467<span></span>
</td>
<td class="nump">6,565,154<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">6,770,829<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6,510,229<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6,770,829<span></span>
</td>
<td class="nump">6,510,229<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment', window );">Less accumulated depreciation, depletion and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">2,691,641<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,578,902<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,691,641<span></span>
</td>
<td class="nump">2,578,902<span></span>
</td>
<td class="nump">2,489,322<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNet', window );">Net property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">4,079,188<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,931,327<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,079,188<span></span>
</td>
<td class="nump">3,931,327<span></span>
</td>
<td class="nump">3,898,380<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationAdditionalInformationAbstract', window );"><strong>Additional information [Abstract]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_NetNoncashInclusionofAcctPayandAFUDC', window );">Net noncash capital expenditure-related accounts payable and AFUDC</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">10,500<span></span>
</td>
<td class="num">(15,800)<span></span>
</td>
<td class="nump">35,300<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ElectricMember', window );">Electric:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">47,715<span></span>
</td>
<td class="nump">50,220<span></span>
</td>
<td class="nump">37,583<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">25,377<span></span>
</td>
<td class="nump">24,982<span></span>
</td>
<td class="nump">17,421<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,699<span></span>
</td>
<td class="nump">1,449<span></span>
</td>
<td class="nump">11,523<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentAdditions', window );">Capital expenditures</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">109,107<span></span>
</td>
<td class="nump">111,134<span></span>
</td>
<td class="nump">332,876<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="nump">1,470,922<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,406,694<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,470,922<span></span>
</td>
<td class="nump">1,406,694<span></span>
</td>
<td class="nump">1,325,858<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="nump">1,982,264<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,888,613<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,982,264<span></span>
</td>
<td class="nump">1,888,613<span></span>
</td>
<td class="nump">1,786,148<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=mdu_NaturalGasDistributionMember', window );">Natural gas distribution:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">69,381<span></span>
</td>
<td class="nump">65,426<span></span>
</td>
<td class="nump">64,756<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">31,234<span></span>
</td>
<td class="nump">30,405<span></span>
</td>
<td class="nump">29,471<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">22,756<span></span>
</td>
<td class="nump">9,181<span></span>
</td>
<td class="nump">11,377<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentAdditions', window );">Capital expenditures</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">146,981<span></span>
</td>
<td class="nump">126,272<span></span>
</td>
<td class="nump">130,793<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="nump">2,201,081<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,099,296<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,201,081<span></span>
</td>
<td class="nump">2,099,296<span></span>
</td>
<td class="nump">2,038,433<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[3]</sup></td>
<td class="nump">2,319,845<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,179,413<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,319,845<span></span>
</td>
<td class="nump">2,179,413<span></span>
</td>
<td class="nump">2,076,581<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=mdu_PipelineandMidstreamMember', window );">Pipeline and midstream:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">16,788<span></span>
</td>
<td class="nump">24,885<span></span>
</td>
<td class="nump">27,981<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,990<span></span>
</td>
<td class="nump">7,903<span></span>
</td>
<td class="nump">9,895<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">12,281<span></span>
</td>
<td class="nump">12,408<span></span>
</td>
<td class="nump">7,505<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentAdditions', window );">Capital expenditures</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">31,054<span></span>
</td>
<td class="nump">34,467<span></span>
</td>
<td class="nump">18,315<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">566,295<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">550,615<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">566,295<span></span>
</td>
<td class="nump">550,615<span></span>
</td>
<td class="nump">591,651<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">700,284<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">672,199<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">700,284<span></span>
</td>
<td class="nump">672,199<span></span>
</td>
<td class="nump">758,729<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionMaterialsAndContractingMember', window );">Construction materials and contracting:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">55,862<span></span>
</td>
<td class="nump">58,413<span></span>
</td>
<td class="nump">65,937<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">14,778<span></span>
</td>
<td class="nump">15,265<span></span>
</td>
<td class="nump">15,183<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5,405<span></span>
</td>
<td class="nump">60,625<span></span>
</td>
<td class="nump">41,619<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentAdditions', window );">Capital expenditures</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">44,302<span></span>
</td>
<td class="nump">37,845<span></span>
</td>
<td class="nump">48,126<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1,238,696<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,220,459<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,238,696<span></span>
</td>
<td class="nump">1,220,459<span></span>
</td>
<td class="nump">1,261,963<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">1,560,048<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,549,375<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,560,048<span></span>
</td>
<td class="nump">1,549,375<span></span>
</td>
<td class="nump">1,553,428<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionServicesMember', window );">Construction services:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">15,739<span></span>
</td>
<td class="nump">15,307<span></span>
</td>
<td class="nump">13,420<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,742<span></span>
</td>
<td class="nump">4,059<span></span>
</td>
<td class="nump">3,959<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">25,558<span></span>
</td>
<td class="nump">17,748<span></span>
</td>
<td class="nump">16,432<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentAdditions', window );">Capital expenditures</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18,630<span></span>
</td>
<td class="nump">60,344<span></span>
</td>
<td class="nump">38,269<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">591,382<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">513,093<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">591,382<span></span>
</td>
<td class="nump">513,093<span></span>
</td>
<td class="nump">442,845<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">177,265<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">171,361<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">177,265<span></span>
</td>
<td class="nump">171,361<span></span>
</td>
<td class="nump">163,279<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateAndOtherMember', window );">Other</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation, depletion and amortization</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,001<span></span>
</td>
<td class="nump">2,067<span></span>
</td>
<td class="nump">2,070<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,564<span></span>
</td>
<td class="nump">5,854<span></span>
</td>
<td class="nump">15,853<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(1,809)<span></span>
</td>
<td class="num">(2,028)<span></span>
</td>
<td class="num">(9,834)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentAdditions', window );">Capital expenditures</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,850<span></span>
</td>
<td class="nump">2,358<span></span>
</td>
<td class="nump">3,755<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[4]</sup></td>
<td class="nump">261,419<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">283,255<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">261,419<span></span>
</td>
<td class="nump">283,255<span></span>
</td>
<td class="nump">287,940<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">31,123<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">49,268<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">31,123<span></span>
</td>
<td class="nump">49,268<span></span>
</td>
<td class="nump">49,537<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=us-gaap_DiscontinuedOperationsHeldforsaleMember', window );">Discontinued operations, held-for-sale</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 4,871<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 211,055<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,871<span></span>
</td>
<td class="nump">211,055<span></span>
</td>
<td class="nump">616,464<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementBusinessSegmentsAxis=us-gaap_IntersegmentEliminationMember', window );">Eliminations</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Intersegmentoperatingrevenues', window );">Intersegment operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(58,060)<span></span>
</td>
<td class="num">(57,430)<span></span>
</td>
<td class="num">(78,786)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(897)<span></span>
</td>
<td class="num">(620)<span></span>
</td>
<td class="num">(603)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(6,849)<span></span>
</td>
<td class="num">(6,251)<span></span>
</td>
<td class="num">(7,958)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic', window );">Earnings (loss) on common stock:</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">6,849<span></span>
</td>
<td class="nump">6,251<span></span>
</td>
<td class="nump">5,016<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,244,759<span></span>
</td>
<td class="nump">1,141,454<span></span>
</td>
<td class="nump">1,149,038<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Intersegmentoperatingrevenues', window );">Intersegment operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">48,867<span></span>
</td>
<td class="nump">48,794<span></span>
</td>
<td class="nump">49,065<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic', window );">Earnings (loss) on common stock:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">102,211<span></span>
</td>
<td class="nump">91,384<span></span>
</td>
<td class="nump">80,201<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Electric:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">342,805<span></span>
</td>
<td class="nump">322,356<span></span>
</td>
<td class="nump">280,615<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Intersegmentoperatingrevenues', window );">Intersegment operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic', window );">Earnings (loss) on common stock:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">49,366<span></span>
</td>
<td class="nump">42,222<span></span>
</td>
<td class="nump">35,914<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Natural gas distribution:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">848,388<span></span>
</td>
<td class="nump">766,115<span></span>
</td>
<td class="nump">817,419<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Intersegmentoperatingrevenues', window );">Intersegment operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic', window );">Earnings (loss) on common stock:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">32,225<span></span>
</td>
<td class="nump">27,102<span></span>
</td>
<td class="nump">23,607<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember', window );">Regulated: | Pipeline and midstream:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">53,566<span></span>
</td>
<td class="nump">52,983<span></span>
</td>
<td class="nump">51,004<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Intersegmentoperatingrevenues', window );">Intersegment operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">48,867<span></span>
</td>
<td class="nump">48,794<span></span>
</td>
<td class="nump">49,065<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic', window );">Earnings (loss) on common stock:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">20,620<span></span>
</td>
<td class="nump">22,060<span></span>
</td>
<td class="nump">20,680<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3,198,592<span></span>
</td>
<td class="nump">2,987,374<span></span>
</td>
<td class="nump">2,865,014<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Intersegmentoperatingrevenues', window );">Intersegment operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9,193<span></span>
</td>
<td class="nump">8,636<span></span>
</td>
<td class="nump">29,721<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic', window );">Earnings (loss) on common stock:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">175,155<span></span>
</td>
<td class="nump">134,776<span></span>
</td>
<td class="nump">90,487<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Pipeline and midstream:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">19,602<span></span>
</td>
<td class="nump">39,602<span></span>
</td>
<td class="nump">54,281<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Intersegmentoperatingrevenues', window );">Intersegment operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">178<span></span>
</td>
<td class="nump">223<span></span>
</td>
<td class="nump">554<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic', window );">Earnings (loss) on common stock:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(127)<span></span>
</td>
<td class="nump">1,375<span></span>
</td>
<td class="num">(7,430)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Construction materials and contracting:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,811,964<span></span>
</td>
<td class="nump">1,873,696<span></span>
</td>
<td class="nump">1,901,530<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Intersegmentoperatingrevenues', window );">Intersegment operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">565<span></span>
</td>
<td class="nump">574<span></span>
</td>
<td class="nump">2,752<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic', window );">Earnings (loss) on common stock:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">123,398<span></span>
</td>
<td class="nump">102,687<span></span>
</td>
<td class="nump">89,096<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Construction services:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,366,317<span></span>
</td>
<td class="nump">1,072,663<span></span>
</td>
<td class="nump">907,767<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Intersegmentoperatingrevenues', window );">Intersegment operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,285<span></span>
</td>
<td class="nump">609<span></span>
</td>
<td class="nump">18,660<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic', window );">Earnings (loss) on common stock:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">53,306<span></span>
</td>
<td class="nump">33,945<span></span>
</td>
<td class="nump">23,762<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember', window );">Nonregulated: | Other</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationLineItems', window );"><strong>Business segment data [Line Items]</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">709<span></span>
</td>
<td class="nump">1,413<span></span>
</td>
<td class="nump">1,436<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Intersegmentoperatingrevenues', window );">Intersegment operating revenues</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,165<span></span>
</td>
<td class="nump">7,230<span></span>
</td>
<td class="nump">7,755<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic', window );">Earnings (loss) on common stock:</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (1,422)<span></span>
</td>
<td class="num">$ (3,231)<span></span>
</td>
<td class="num">$ (14,941)<span></span>
</td>
</tr>
<tr><td colspan="13"></td></tr>
<tr><td colspan="13"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Includes eliminations for the presentation of income tax adjustments between continuing and discontinued operations.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">Capital expenditures for 2017, 2016 and 2015 include noncash capital expenditure-related accounts payable and AFUDC, totaling <span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$10.5&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$(15.8)&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>$35.3&#160;million</span></span>, respectively.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[3]</td>
<td style="vertical-align: top;" valign="top">Includes allocations of common utility property</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[4]</td>
<td style="vertical-align: top;" valign="top">Includes assets not directly assignable to a business (i.e. cash and cash equivalents, certain accounts receivable, certain investments and other miscellaneous current and deferred assets)</td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_Intersegmentoperatingrevenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Intersegment operating revenues.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_Intersegmentoperatingrevenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_NetNoncashInclusionofAcctPayandAFUDC">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Net inclusion of noncash capital expenditure-related accounts payable and AFUDC.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_NetNoncashInclusionofAcctPayandAFUDC</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.14)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Assets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Assets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DepreciationDepletionAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DepreciationDepletionAndAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721675-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1012-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721525-107759<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721523-107759<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e957-107759<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from a discontinued operation attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1012-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721523-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4569616-111683<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4568447-111683<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721525-107759<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721675-107760<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br><br>Reference 9: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e957-107759<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a),(b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the cost of borrowed funds accounted for as interest expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6450988&amp;loc=d3e26243-108391<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=64930785&amp;loc=d3e28555-108399<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1377-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) from continuing operations available to common shareholders.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1377-109256<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 60B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=SL5780133-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentAdditions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentAdditions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.13)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(14))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Revenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Revenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SegmentReportingInformationAdditionalInformationAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SegmentReportingInformationAdditionalInformationAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SegmentReportingInformationLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SegmentReportingInformationLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ElectricMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=mdu_ElectricMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=mdu_NaturalGasDistributionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=mdu_NaturalGasDistributionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=mdu_PipelineandMidstreamMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=mdu_PipelineandMidstreamMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionMaterialsAndContractingMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionMaterialsAndContractingMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionServicesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=mdu_ConstructionServicesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateAndOtherMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=us-gaap_CorporateAndOtherMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=us-gaap_DiscontinuedOperationsHeldforsaleMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=us-gaap_DiscontinuedOperationsHeldforsaleMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementBusinessSegmentsAxis=us-gaap_IntersegmentEliminationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementBusinessSegmentsAxis=us-gaap_IntersegmentEliminationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_RegulatedOperationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilityRegulatedOrUnregulatedStatusAxis=us-gaap_UnregulatedOperationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6857747680">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Change in benefit obligations and plan assets (Details) - Underfunded Plan [Member] - Qualified Plan [Member] - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Pension Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward', window );"><strong>Change in benefit obligation:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligation', window );">Benefit obligation at beginning of year</a></td>
<td class="nump">$ 436,307<span></span>
</td>
<td class="nump">$ 442,960<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service cost</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">$ 86<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanInterestCost', window );">Interest cost</a></td>
<td class="nump">16,207<span></span>
</td>
<td class="nump">17,218<span></span>
</td>
<td class="nump">17,141<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant', window );">Plan participants' contributions</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanActuarialGainLoss', window );">Actuarial (gain) loss</a></td>
<td class="nump">19,119<span></span>
</td>
<td class="nump">1,882<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid', window );">Benefits paid</a></td>
<td class="num">(25,710)<span></span>
</td>
<td class="num">(25,753)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligation', window );">Benefit obligation at end of year</a></td>
<td class="nump">445,923<span></span>
</td>
<td class="nump">436,307<span></span>
</td>
<td class="nump">442,960<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward', window );"><strong>Change in net plan assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of plan assets at beginning of year</a></td>
<td class="nump">333,509<span></span>
</td>
<td class="nump">332,667<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets', window );">Actual gain on plan assets</a></td>
<td class="nump">45,473<span></span>
</td>
<td class="nump">26,595<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanContributionsByEmployer', window );">Employer contribution</a></td>
<td class="nump">1,112<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant', window );">Plan participants' contributions</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid', window );">Benefits paid</a></td>
<td class="num">(25,710)<span></span>
</td>
<td class="num">(25,753)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">354,384<span></span>
</td>
<td class="nump">333,509<span></span>
</td>
<td class="nump">332,667<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFundedStatusOfPlan', window );">Funded status - under</a></td>
<td class="num">(91,539)<span></span>
</td>
<td class="num">(102,798)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SupplementalUnemploymentBenefitsAbstract', window );"><strong>Amounts recognized in the Consolidated Balance Sheets at December 31:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent', window );">Deferred charges and other assets - other</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities', window );">Other accrued liabilities</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent', window );">Deferred credits and other liabilities - other</a></td>
<td class="nump">91,539<span></span>
</td>
<td class="nump">102,798<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet', window );">Benefit obligation liabilities - net amount recognized</a></td>
<td class="num">(91,539)<span></span>
</td>
<td class="num">(102,798)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CompensationAndRetirementDisclosureAbstract', window );"><strong>Amounts recognized in accumulated other comprehensive (income) loss or regulatory assets (liabilities) consist of:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesGainLossbeforeTax', window );">Actuarial loss</a></td>
<td class="nump">186,486<span></span>
</td>
<td class="nump">198,668<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanAccumulatedOtherComprehensionIncomeLossorRegulatoryAssetsorLiabilitiesNetPriorServiceCostCreditBeforeTax', window );">Prior service credit</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesBeforeTax', window );">Total</a></td>
<td class="nump">186,486<span></span>
</td>
<td class="nump">198,668<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Other Postretirement Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward', window );"><strong>Change in benefit obligation:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligation', window );">Benefit obligation at beginning of year</a></td>
<td class="nump">89,304<span></span>
</td>
<td class="nump">92,734<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service cost</a></td>
<td class="nump">1,508<span></span>
</td>
<td class="nump">1,647<span></span>
</td>
<td class="nump">1,816<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanInterestCost', window );">Interest cost</a></td>
<td class="nump">3,265<span></span>
</td>
<td class="nump">3,688<span></span>
</td>
<td class="nump">3,607<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant', window );">Plan participants' contributions</a></td>
<td class="nump">1,368<span></span>
</td>
<td class="nump">1,405<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanActuarialGainLoss', window );">Actuarial (gain) loss</a></td>
<td class="nump">1,781<span></span>
</td>
<td class="num">(3,872)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid', window );">Benefits paid</a></td>
<td class="num">(6,020)<span></span>
</td>
<td class="num">(6,298)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanBenefitObligation', window );">Benefit obligation at end of year</a></td>
<td class="nump">91,206<span></span>
</td>
<td class="nump">89,304<span></span>
</td>
<td class="nump">92,734<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward', window );"><strong>Change in net plan assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of plan assets at beginning of year</a></td>
<td class="nump">82,846<span></span>
</td>
<td class="nump">82,593<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets', window );">Actual gain on plan assets</a></td>
<td class="nump">9,612<span></span>
</td>
<td class="nump">4,184<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanContributionsByEmployer', window );">Employer contribution</a></td>
<td class="nump">933<span></span>
</td>
<td class="nump">962<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant', window );">Plan participants' contributions</a></td>
<td class="nump">1,368<span></span>
</td>
<td class="nump">1,405<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid', window );">Benefits paid</a></td>
<td class="num">(6,020)<span></span>
</td>
<td class="num">(6,298)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">88,739<span></span>
</td>
<td class="nump">82,846<span></span>
</td>
<td class="nump">$ 82,593<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFundedStatusOfPlan', window );">Funded status - under</a></td>
<td class="num">(2,467)<span></span>
</td>
<td class="num">(6,458)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SupplementalUnemploymentBenefitsAbstract', window );"><strong>Amounts recognized in the Consolidated Balance Sheets at December 31:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent', window );">Deferred charges and other assets - other</a></td>
<td class="nump">19,114<span></span>
</td>
<td class="nump">13,131<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities', window );">Other accrued liabilities</a></td>
<td class="nump">612<span></span>
</td>
<td class="nump">538<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent', window );">Deferred credits and other liabilities - other</a></td>
<td class="nump">20,969<span></span>
</td>
<td class="nump">19,051<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet', window );">Benefit obligation liabilities - net amount recognized</a></td>
<td class="num">(2,467)<span></span>
</td>
<td class="num">(6,458)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CompensationAndRetirementDisclosureAbstract', window );"><strong>Amounts recognized in accumulated other comprehensive (income) loss or regulatory assets (liabilities) consist of:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesGainLossbeforeTax', window );">Actuarial loss</a></td>
<td class="nump">13,423<span></span>
</td>
<td class="nump">17,470<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanAccumulatedOtherComprehensionIncomeLossorRegulatoryAssetsorLiabilitiesNetPriorServiceCostCreditBeforeTax', window );">Prior service credit</a></td>
<td class="num">(11,632)<span></span>
</td>
<td class="num">(13,003)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesBeforeTax', window );">Total</a></td>
<td class="nump">$ 1,791<span></span>
</td>
<td class="nump">$ 4,467<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DefinedBenefitPlanAccumulatedOtherComprehensionIncomeLossorRegulatoryAssetsorLiabilitiesNetPriorServiceCostCreditBeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before tax, of accumulated other comprehensive (income) loss or regulatory (assets) liabilities for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DefinedBenefitPlanAccumulatedOtherComprehensionIncomeLossorRegulatoryAssetsorLiabilitiesNetPriorServiceCostCreditBeforeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesBeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before tax, of accumulated other comprehensive (income) loss or regulatory assets (liabilities) for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesBeforeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesGainLossbeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before tax, of accumulated other comprehensive income (loss) or regulatory (assets) liabilities for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesGainLossbeforeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CompensationAndRetirementDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CompensationAndRetirementDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanActualReturnOnPlanAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanActuarialGainLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanActuarialGainLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=64852052&amp;loc=d3e1703-114919<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAmountsRecognizedInBalanceSheet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=64852052&amp;loc=d3e1731-114919<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(17))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=64852052&amp;loc=d3e1703-114919<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanBenefitObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanBenefitObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 60<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6414203&amp;loc=d3e39716-114964<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(6)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of contributions received by defined benefit plan from participant which increase benefit obligation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanBenefitObligationContributionsByPlanParticipant</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanChangeInBenefitObligationRollForward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanChangeInFairValueOfPlanAssetsRollForward</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanContributionsByEmployer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of contribution received by defined benefit plan from employer which increases plan assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(5)(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e2709-114920<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(5)(iv)(01)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanContributionsByEmployer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanFairValueOfPlanAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanFundedStatusOfPlan">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=64852052&amp;loc=d3e1703-114919<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanFundedStatusOfPlan</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanInterestCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost recognized for passage of time related to defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanInterestCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 60<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6414203&amp;loc=d3e39716-114964<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(5)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanPlanAssetsBenefitsPaid</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of contributions received by defined benefit plan from participant which increases plan assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanPlanAssetsContributionsByPlanParticipant</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanServiceCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanServiceCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as current.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=64852052&amp;loc=d3e1731-114919<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=64852052&amp;loc=d3e1703-114919<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=64852052&amp;loc=d3e1731-114919<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=64852052&amp;loc=d3e1703-114919<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SupplementalUnemploymentBenefitsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SupplementalUnemploymentBenefitsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>114
<FILENAME>R100.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6857905136">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Benefit obligations in excess of plan assets (Details 2) - Underfunded Plan [Member] - Qualified Plan [Member] - Pension Benefits - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation', window );">Projected benefit obligation</a></td>
<td class="nump">$ 445,923<span></span>
</td>
<td class="nump">$ 436,307<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation', window );">Accumulated benefit obligation</a></td>
<td class="nump">445,923<span></span>
</td>
<td class="nump">436,307<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets', window );">Fair value of plan assets</a></td>
<td class="nump">$ 354,384<span></span>
</td>
<td class="nump">$ 333,509<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanDisclosureLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e2417-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value of plan assets for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e2417-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateFairValueOfPlanAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=77993564&amp;loc=d3e4179-114921<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>115
<FILENAME>R101.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6877678288">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Components of net periodic benefit cost (Details 3) - Underfunded Plan [Member] - Qualified Plan [Member] - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Pension Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract', window );"><strong>Components of net periodic benefit cost (credit):</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service cost</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 86<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanInterestCost', window );">Interest cost</a></td>
<td class="nump">16,207<span></span>
</td>
<td class="nump">17,218<span></span>
</td>
<td class="nump">17,141<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets', window );">Expected return on assets</a></td>
<td class="num">(20,528)<span></span>
</td>
<td class="num">(20,924)<span></span>
</td>
<td class="num">(22,254)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit', window );">Amortization of prior service cost (credit)</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">36<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses', window );">Recognized net actuarial loss</a></td>
<td class="nump">6,355<span></span>
</td>
<td class="nump">6,215<span></span>
</td>
<td class="nump">7,016<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments', window );">Curtailment loss</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">258<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized', window );">Net periodic benefit cost (credit), including amount capitalized</a></td>
<td class="nump">2,034<span></span>
</td>
<td class="nump">2,509<span></span>
</td>
<td class="nump">2,283<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized', window );">Less amount capitalized</a></td>
<td class="nump">310<span></span>
</td>
<td class="nump">381<span></span>
</td>
<td class="nump">316<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost', window );">Net periodic benefit cost (credit)</a></td>
<td class="nump">1,724<span></span>
</td>
<td class="nump">2,128<span></span>
</td>
<td class="nump">1,967<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GeneralDiscussionOfPensionAndOtherPostretirementBenefitsAbstract', window );"><strong>Other changes in plan assets and benefit obligations recognized in accumulated comprehensive (income) loss or regulatory assets (liabilities):</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossArisingDuringPeriodBeforeTax', window );">Net (gain) loss</a></td>
<td class="num">(5,827)<span></span>
</td>
<td class="num">(3,789)<span></span>
</td>
<td class="nump">8,257<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIbeforeTax', window );">Amortization of actuarial loss</a></td>
<td class="num">(6,355)<span></span>
</td>
<td class="num">(6,215)<span></span>
</td>
<td class="num">(7,016)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanPriorServiceCostCreditReclassificationAdjustmentfromAOCIbeforeTax', window );">Amortization of prior service (cost) credit</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="num">(294)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTax', window );">Total recognized in accumulated other comprehensive (income) loss or regulatory assets (liabilities)</a></td>
<td class="num">(12,182)<span></span>
</td>
<td class="num">(10,004)<span></span>
</td>
<td class="nump">947<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTaxTotal', window );">Total recognized in net periodic benefit cost (credit), accumulated other comprehensive (income) loss and regulatory assets (liabilities)</a></td>
<td class="num">(10,458)<span></span>
</td>
<td class="num">(7,876)<span></span>
</td>
<td class="nump">2,914<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Other Postretirement Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract', window );"><strong>Components of net periodic benefit cost (credit):</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanServiceCost', window );">Service cost</a></td>
<td class="nump">1,508<span></span>
</td>
<td class="nump">1,647<span></span>
</td>
<td class="nump">1,816<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanInterestCost', window );">Interest cost</a></td>
<td class="nump">3,265<span></span>
</td>
<td class="nump">3,688<span></span>
</td>
<td class="nump">3,607<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets', window );">Expected return on assets</a></td>
<td class="num">(4,641)<span></span>
</td>
<td class="num">(4,533)<span></span>
</td>
<td class="num">(4,795)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit', window );">Amortization of prior service cost (credit)</a></td>
<td class="num">(1,371)<span></span>
</td>
<td class="num">(1,371)<span></span>
</td>
<td class="num">(1,371)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses', window );">Recognized net actuarial loss</a></td>
<td class="nump">857<span></span>
</td>
<td class="nump">1,491<span></span>
</td>
<td class="nump">1,960<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments', window );">Curtailment loss</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized', window );">Net periodic benefit cost (credit), including amount capitalized</a></td>
<td class="num">(382)<span></span>
</td>
<td class="nump">922<span></span>
</td>
<td class="nump">1,217<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized', window );">Less amount capitalized</a></td>
<td class="num">(370)<span></span>
</td>
<td class="num">(52)<span></span>
</td>
<td class="nump">120<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost', window );">Net periodic benefit cost (credit)</a></td>
<td class="num">(12)<span></span>
</td>
<td class="nump">974<span></span>
</td>
<td class="nump">1,097<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GeneralDiscussionOfPensionAndOtherPostretirementBenefitsAbstract', window );"><strong>Other changes in plan assets and benefit obligations recognized in accumulated comprehensive (income) loss or regulatory assets (liabilities):</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossArisingDuringPeriodBeforeTax', window );">Net (gain) loss</a></td>
<td class="num">(3,190)<span></span>
</td>
<td class="num">(3,523)<span></span>
</td>
<td class="num">(1,336)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIbeforeTax', window );">Amortization of actuarial loss</a></td>
<td class="num">(857)<span></span>
</td>
<td class="num">(1,491)<span></span>
</td>
<td class="num">(1,960)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanPriorServiceCostCreditReclassificationAdjustmentfromAOCIbeforeTax', window );">Amortization of prior service (cost) credit</a></td>
<td class="nump">1,371<span></span>
</td>
<td class="nump">1,371<span></span>
</td>
<td class="nump">1,371<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTax', window );">Total recognized in accumulated other comprehensive (income) loss or regulatory assets (liabilities)</a></td>
<td class="num">(2,676)<span></span>
</td>
<td class="num">(3,643)<span></span>
</td>
<td class="num">(1,925)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTaxTotal', window );">Total recognized in net periodic benefit cost (credit), accumulated other comprehensive (income) loss and regulatory assets (liabilities)</a></td>
<td class="num">$ (2,688)<span></span>
</td>
<td class="num">$ (2,669)<span></span>
</td>
<td class="num">$ (828)<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income or regulatory assets (liabilities) for defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTaxTotal">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount recognized in net periodic benefit costs (credit) and other comprehensive income or regulatory assets (liabilities).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DefinedBenefitPlanAmountRecognizedinNetPeriodicBenefitCostCreditandOtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesbeforeTaxTotal</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount of net periodic benefit cost for defined benefit plans capitalized for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain or loss, prior service cost or credit, transition asset or obligation, and gain or loss due to settlements or curtailments).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DefinedBenefitPlanNetPeriodicBenefitCostAmountCapitalized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount of net periodic benefit cost including amount capitalized for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain or loss, prior service cost or credit, transition asset or obligation, and gain or loss due to settlements or curtailments), including amount capitalized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DefinedBenefitPlanNetPeriodicBenefitCostIncludingAmountCapitalized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossArisingDuringPeriodBeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossArisingDuringPeriodBeforeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIbeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) or regulatory (assets) liabilities for gain (loss) of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanGainLossReclassificationAdjustmentfromAOCIbeforeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanPriorServiceCostCreditReclassificationAdjustmentfromAOCIbeforeTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss or regulatory assets (liabilities) for prior service cost (credit) of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_OtherComprehensiveIncomeLossorRegulatoryAssetsLiabilitiesDefinedBenefitPlanPriorServiceCostCreditReclassificationAdjustmentfromAOCIbeforeTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(4)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(5)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanInterestCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost recognized for passage of time related to defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanInterestCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of net periodic benefit cost (credit) for defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanNetPeriodicBenefitCostAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined benefits for some or all future services of present employees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(7)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanServiceCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanServiceCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GeneralDiscussionOfPensionAndOtherPostretirementBenefitsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GeneralDiscussionOfPensionAndOtherPostretirementBenefitsAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6851197056">
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<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Estimated net loss and prior service credit (Details 4) - Qualified Plan [Member] - Underfunded Plan [Member]<br></strong></div></th>
<th class="th">
<div>Dec. 31, 2017 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Pension Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
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<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanExpectedAmortizationofGainLossNextYear', window );">Defined benefit plan, expected amortization of gain (loss), next year</a></td>
<td class="num">$ (7,000,000.0)<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Other Postretirement Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanExpectedAmortizationofGainLossNextYear', window );">Defined benefit plan, expected amortization of gain (loss), next year</a></td>
<td class="num">(800,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanExpectedAmortizationofPriorServiceCostCreditNextYear', window );">Defined benefit plan, amortization of net prior service cost (credit)</a></td>
<td class="num">$ (1,400,000)<span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount included in accumulated other comprehensive income (loss) or regulatory assets for gain (loss) of defined benefit plan expected to be recognized in net periodic benefit (cost) credit for fiscal year following most recent annual statement of financial position.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DefinedBenefitPlanExpectedAmortizationofGainLossNextYear</td>
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<td>mdu_</td>
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<td>credit</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount included in accumulated other comprehensive (income) loss or regulatory asset for prior service cost (credit) expected to be recognized in net periodic benefit cost (credit) for fiscal year following most recent annual statement of financial position.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DefinedBenefitPlanExpectedAmortizationofPriorServiceCostCreditNextYear</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanDisclosureLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<DOCUMENT>
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<head>
<title></title>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6860031056">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Weighted average assumptions (Details 5) - Underfunded Plan [Member] - Qualified Plan [Member]<br></strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Pension Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract', window );"><strong>Used to determine benefit obligation</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate', window );">Discount rate</a></td>
<td class="nump">3.38%<span></span>
</td>
<td class="nump">3.83%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongTermReturnOnAssets', window );">Expected return on plan assets</a></td>
<td class="nump">6.75%<span></span>
</td>
<td class="nump">6.75%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract', window );"><strong>Used to determine benefit cost</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate', window );">Discount rate</a></td>
<td class="nump">3.83%<span></span>
</td>
<td class="nump">4.00%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets', window );">Expected return on plan assets</a></td>
<td class="nump">6.75%<span></span>
</td>
<td class="nump">6.75%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Other Postretirement Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract', window );"><strong>Used to determine benefit obligation</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate', window );">Discount rate</a></td>
<td class="nump">3.41%<span></span>
</td>
<td class="nump">3.86%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongTermReturnOnAssets', window );">Expected return on plan assets</a></td>
<td class="nump">5.75%<span></span>
</td>
<td class="nump">5.75%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease', window );">Rate of compensation increase</a></td>
<td class="nump">3.00%<span></span>
</td>
<td class="nump">3.00%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract', window );"><strong>Used to determine benefit cost</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate', window );">Discount rate</a></td>
<td class="nump">3.86%<span></span>
</td>
<td class="nump">4.06%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets', window );">Expected return on plan assets</a></td>
<td class="nump">5.75%<span></span>
</td>
<td class="nump">5.75%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease', window );">Rate of compensation increase</a></td>
<td class="nump">3.00%<span></span>
</td>
<td class="nump">3.00%<span></span>
</td>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongTermReturnOnAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationExpectedLongTermReturnOnAssets</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
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<td>num:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingNetPeriodicBenefitCostAbstract</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<head>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6858907520">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Expected rate of return (Details 6) - Underfunded Plan [Member] - Qualified Plan [Member]<br></strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Minimum [Member] | Equity securities [Member] | Pension Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined benefit plan, plan assets, target allocation, percentage</a></td>
<td class="nump">40.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Minimum [Member] | Equity securities [Member] | Other Postretirement Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined benefit plan, plan assets, target allocation, percentage</a></td>
<td class="nump">20.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Minimum [Member] | Fixed Income Securities [Member] | Pension Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined benefit plan, plan assets, target allocation, percentage</a></td>
<td class="nump">50.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Minimum [Member] | Fixed Income Securities [Member] | Other Postretirement Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined benefit plan, plan assets, target allocation, percentage</a></td>
<td class="nump">75.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Maximum [Member] | Equity securities [Member] | Pension Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined benefit plan, plan assets, target allocation, percentage</a></td>
<td class="nump">50.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Maximum [Member] | Equity securities [Member] | Other Postretirement Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined benefit plan, plan assets, target allocation, percentage</a></td>
<td class="nump">25.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Maximum [Member] | Fixed Income Securities [Member] | Pension Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined benefit plan, plan assets, target allocation, percentage</a></td>
<td class="nump">60.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Maximum [Member] | Fixed Income Securities [Member] | Other Postretirement Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage', window );">Defined benefit plan, plan assets, target allocation, percentage</a></td>
<td class="nump">80.00%<span></span>
</td>
</tr>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanDisclosureLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)(5)(i)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanPlanAssetsTargetAllocationPercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RangeAxis=us-gaap_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RangeAxis=us-gaap_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_FixedIncomeSecuritiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_FixedIncomeSecuritiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RangeAxis=us-gaap_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RangeAxis=us-gaap_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>119
<FILENAME>R105.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6858873568">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Health care rate assumptions and cost trend rate (Details 7) - Underfunded Plan [Member] - Qualified Plan [Member] - Other Postretirement Benefits - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1', window );">Health care cost trend rate - ultimate</a></td>
<td class="nump">4.50%<span></span>
</td>
<td class="nump">4.50%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate', window );">Defined benefit plan, year health care cost trend rate reaches ultimate trend rate</a></td>
<td class="text">2024<span></span>
</td>
<td class="text">2024<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentageExcessOverHealthCareCostTrendRateThatRetireeContributionsWillGenerallyIncreaseEachYear', window );">Percentage excess over the health care cost trend rate that retiree contributions will generally increase each year</a></td>
<td class="nump">6.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents', window );">Effect on total of service and interest cost components, one percentage point increase</a></td>
<td class="nump">$ 306<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1', window );">Effect on total of service and interest cost components, one percentage point decrease</a></td>
<td class="num">(247)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation', window );">Effect on postretirement benefit obligations, one percentage point increase</a></td>
<td class="nump">5,433<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1', window );">Effect on postretirement benefit obligations, one percentage point decrease</a></td>
<td class="num">$ (4,551)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Minimum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear', window );">Health care trend rate assumed for next year</a></td>
<td class="nump">7.50%<span></span>
</td>
<td class="nump">8.60%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear', window );">Health care trend rate assumed for next year</a></td>
<td class="nump">8.50%<span></span>
</td>
<td class="nump">10.70%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PercentageExcessOverHealthCareCostTrendRateThatRetireeContributionsWillGenerallyIncreaseEachYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage excess over the health care cost trend rate that retiree contributions will generally increase each year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PercentageExcessOverHealthCareCostTrendRateThatRetireeContributionsWillGenerallyIncreaseEachYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanDisclosureLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of decrease in accumulated postretirement benefit obligation from one-percentage-point decrease in assumed health care cost trend rate.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (m)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnAccumulatedPostretirementBenefitObligation1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of decrease in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point decrease in assumed health care cost trend rate.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (m)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointDecreaseOnServiceAndInterestCostComponents1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in accumulated postretirement benefit obligation from one-percentage-point increase in assumed health care cost trend rate.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (m)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnAccumulatedPostretirementBenefitObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in service and interest cost components of net periodic postretirement benefit cost from one-percentage-point increase in assumed health care cost trend rate.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (m)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanEffectOfOnePercentagePointIncreaseOnServiceAndInterestCostComponents</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (l)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanHealthCareCostTrendRateAssumedNextFiscalYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Ultimate trend rate for health care cost for defined benefit postretirement plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (l)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanUltimateHealthCareCostTrendRate1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Year ultimate health care cost trend rate is expected to be reached, in CCYY format.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (l)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanYearHealthCareCostTrendRateReachesUltimateTrendRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:gYearItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RangeAxis=us-gaap_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RangeAxis=us-gaap_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RangeAxis=us-gaap_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RangeAxis=us-gaap_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<SEQUENCE>120
<FILENAME>R106.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
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<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6861407776">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Fair value - pension (Details 8) - Qualified Plan [Member] - Underfunded Plan [Member] - Pension Benefits - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2"><div>Dec. 31, 2017</div></th>
<th class="th" colspan="2"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">$ 354,384<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 333,509<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 332,667<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentageInvestmentInCommonStockOfInternationalCompanies', window );">Percentage investment in common stock of international companies</a></td>
<td class="nump">31.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">29.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentageInvestmentInCorporateBonds', window );">Percentage investment in corporate bonds</a></td>
<td class="nump">28.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">21.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentageInvestmentInCommonStockOfLargeCapUSCompanies', window );">Percentage investment in common stock of large-cap U.S. companies</a></td>
<td class="nump">19.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">20.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Percentageinvestmentincashequivalents', window );">Percentage investment in cash equivalents</a></td>
<td class="nump">7.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">8.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentageInvestmentinUSGovernmentSecurities', window );">Percentage investment in US Government securities</a></td>
<td class="nump">1.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">7.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Percentageinvestmentinotherinvestments', window );">Percentage investment in other investments</a></td>
<td class="nump">14.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">15.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear', window );">Estimated future employer contributions in next fiscal year</a></td>
<td class="nump">$ 17,700<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Cash equivalents [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">3,814<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 6,347<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Equity securities of U.S. companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">13,345<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">11,348<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Equities securities of International companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">1,766<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,584<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Collective and mutual funds [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">239,571<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">226,107<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Corporate debt securities [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">74,956<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">68,677<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Municipal bonds [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">16,839<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">11,002<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">U.S. Government securities [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">1,038<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">6,396<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Total assets measured at fair value [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">351,329<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">331,461<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash equivalents [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity securities of U.S. companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">13,345<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">11,348<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Quoted Prices in Active Markets for Identical Assets (Level 1) | Equities securities of International companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">1,766<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">1,584<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Quoted Prices in Active Markets for Identical Assets (Level 1) | Collective and mutual funds [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">171,822<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">162,055<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate debt securities [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Quoted Prices in Active Markets for Identical Assets (Level 1) | Municipal bonds [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. Government securities [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">1,038<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">4,352<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Quoted Prices in Active Markets for Identical Assets (Level 1) | Total assets measured at fair value [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">187,971<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">179,339<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Other Observable Inputs (Level 2) | Cash equivalents [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">3,814<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">6,347<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Other Observable Inputs (Level 2) | Equity securities of U.S. companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Other Observable Inputs (Level 2) | Equities securities of International companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Other Observable Inputs (Level 2) | Collective and mutual funds [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">67,749<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">64,052<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Other Observable Inputs (Level 2) | Corporate debt securities [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">74,956<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">68,677<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Other Observable Inputs (Level 2) | Municipal bonds [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">16,839<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">11,002<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Other Observable Inputs (Level 2) | U.S. Government securities [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">2,044<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Other Observable Inputs (Level 2) | Total assets measured at fair value [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">163,358<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">152,122<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Unobservable Inputs (Level 3) | Cash equivalents [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Unobservable Inputs (Level 3) | Equity securities of U.S. companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Unobservable Inputs (Level 3) | Equities securities of International companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
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<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Unobservable Inputs (Level 3) | Collective and mutual funds [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Unobservable Inputs (Level 3) | Corporate debt securities [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Unobservable Inputs (Level 3) | Municipal bonds [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
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<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Unobservable Inputs (Level 3) | U.S. Government securities [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember', window );">Significant Unobservable Inputs (Level 3) | Total assets measured at fair value [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr><td colspan="6"></td></tr>
<tr><td colspan="6"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Collective and mutual funds invest approximately <span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>31</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of international companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>28</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>19</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>7</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in cash equivalents, </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>1</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in U.S. Government securities and </span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"><span>14</span></span>&#160;percent in other investments.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">Collective and mutual funds invest approximately <span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>29</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of international companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>21</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>20</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>8</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in cash equivalents, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>7</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in U.S. Government securities and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>15</span></span>&#160;percent in other investments.</td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PercentageInvestmentInCommonStockOfInternationalCompanies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage investment in common stock of international companies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage investment in common stock of large-cap U.S. companies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage investment in corporate bonds.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage investment in U.S. Government securities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_Percentageinvestmentincashequivalents">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage investment in cash equivalents</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_Percentageinvestmentincashequivalents</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_Percentageinvestmentinotherinvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage investment in other investments</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_Percentageinvestmentinotherinvestments</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of contributions expected to be received by defined benefit plan from employer in next fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanFairValueOfPlanAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_EquitySecuritiesOfUSCompaniesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_EquitySecuritiesOfUSCompaniesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_EquitiesSecuritiesOfInternationalCompaniesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_EquitiesSecuritiesOfInternationalCompaniesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_CollectiveAndMutualFundsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_CollectiveAndMutualFundsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CorporateDebtSecuritiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CorporateDebtSecuritiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_MunicipalBondsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_MunicipalBondsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_USTreasurySecuritiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_USTreasurySecuritiesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_TotalAssetsMeasuredatFairValueMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_TotalAssetsMeasuredatFairValueMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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</html>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>121
<FILENAME>R107.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6849309984">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Fair value - other postretirement (Details 9) - Other Postretirement Benefits - Qualified Plan [Member] - Underfunded Plan [Member] - USD ($)<br></strong></div></th>
<th class="th" colspan="2"><div>Dec. 31, 2017</div></th>
<th class="th" colspan="2"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">$ 88,739,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 82,846,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 82,593,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentageInvestmentInCorporateBonds', window );">Percentage investment in corporate bonds</a></td>
<td class="nump">38.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">38.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentageInvestmentInCommonStockOfLargeCapUSCompanies', window );">Percentage investment in common stock of large-cap U.S. companies</a></td>
<td class="nump">23.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">25.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentageInvestmentinUSGovernmentSecurities', window );">Percentage investment in US Government securities</a></td>
<td class="nump">21.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">20.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentageInvestmentInMortgageBackedSecurities', window );">Percentage investment in mortgage backed securities</a></td>
<td class="nump">9.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">9.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Percentageinvestmentinotherinvestments', window );">Percentage investment in other investments</a></td>
<td class="nump">9.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">8.00%<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear', window );">Estimated future employer contributions in next fiscal year</a></td>
<td class="nump">$ 800,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Cash equivalents [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">4,815,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 250,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Equity securities of U.S. companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">2,316,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">2,328,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Equities securities of International companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">4,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">5,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Insurance investment contract [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">81,604,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">80,263,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Total assets measured at fair value [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">88,739,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">82,846,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash equivalents [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Quoted Prices in Active Markets for Identical Assets (Level 1) | Equity securities of U.S. companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">2,316,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">2,328,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Quoted Prices in Active Markets for Identical Assets (Level 1) | Equities securities of International companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">4,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">5,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Quoted Prices in Active Markets for Identical Assets (Level 1) | Insurance investment contract [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">3,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Quoted Prices in Active Markets for Identical Assets (Level 1) | Total assets measured at fair value [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">2,323,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">2,333,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Significant Other Observable Inputs (Level 2) | Cash equivalents [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">4,815,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">250,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Significant Other Observable Inputs (Level 2) | Equity securities of U.S. companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Significant Other Observable Inputs (Level 2) | Equities securities of International companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Significant Other Observable Inputs (Level 2) | Insurance investment contract [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">81,601,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">80,263,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Significant Other Observable Inputs (Level 2) | Total assets measured at fair value [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">86,416,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">80,513,000<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Significant Unobservable Inputs (Level 3) | Cash equivalents [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Significant Unobservable Inputs (Level 3) | Equity securities of U.S. companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Significant Unobservable Inputs (Level 3) | Equities securities of International companies [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Significant Unobservable Inputs (Level 3) | Insurance investment contract [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember', window );">Significant Unobservable Inputs (Level 3) | Total assets measured at fair value [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets', window );">Fair value of net plan assets at end of year</a></td>
<td class="nump">$ 0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 0<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr><td colspan="6"></td></tr>
<tr><td colspan="6"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">The insurance contract invests approximately <span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>38</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>23</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>21</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in U.S. Government securities, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>9</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in mortgage-backed securities and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>9</span></span>&#160;percent in other investments.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">The insurance contract invests approximately <span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>38</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in corporate bonds, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>25</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in common stock of large-cap U.S. companies, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>20</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> percent in U.S. Government securities, </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>9</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;">&#160;percent in mortgage-backed securities and </span><span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>8</span></span>&#160;percent in other investments.</td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PercentageInvestmentInCommonStockOfLargeCapUSCompanies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage investment in common stock of large-cap U.S. companies.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PercentageInvestmentInCommonStockOfLargeCapUSCompanies</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
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<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PercentageInvestmentInCorporateBonds">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage investment in corporate bonds.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PercentageInvestmentInCorporateBonds</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>num:percentItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
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</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PercentageInvestmentInMortgageBackedSecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage investment in mortgage backed securities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PercentageInvestmentInMortgageBackedSecurities</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
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<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PercentageInvestmentinUSGovernmentSecurities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage investment in U.S. Government securities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PercentageInvestmentinUSGovernmentSecurities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
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<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_Percentageinvestmentinotherinvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage investment in other investments</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_Percentageinvestmentinotherinvestments</td>
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<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanDisclosureLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of contributions expected to be received by defined benefit plan from employer in next fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanFairValueOfPlanAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fair value of assets that have been segregated and restricted to provide pension or postretirement benefits. Assets include, but are not limited to, stocks, bonds, other investments, earnings from investments, and contributions by the employer and employees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanFairValueOfPlanAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_CashAndCashEquivalentsMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_EquitySecuritiesOfUSCompaniesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_EquitySecuritiesOfUSCompaniesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_EquitiesSecuritiesOfInternationalCompaniesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_EquitiesSecuritiesOfInternationalCompaniesMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_InsuranceInvestmentContractMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_InsuranceInvestmentContractMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_TotalAssetsMeasuredatFairValueMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_TotalAssetsMeasuredatFairValueMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<SEQUENCE>122
<FILENAME>R108.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6861084256">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Estimated future benefit payments and subsidies (Details 10) - Underfunded Plan [Member] - Qualified Plan [Member]<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Dec. 31, 2017 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Pension Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths', window );">Expected future benefit payments, next twelve months</a></td>
<td class="nump">$ 25,111<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo', window );">Expected future benefit payments, year two</a></td>
<td class="nump">25,280<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree', window );">Expected future benefit payments, year three</a></td>
<td class="nump">25,587<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour', window );">Expected future benefit payments, year four</a></td>
<td class="nump">25,866<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive', window );">Expected future benefit payments, year five</a></td>
<td class="nump">26,185<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter', window );">Expected future benefit payments, five fiscal years thereafter</a></td>
<td class="nump">130,994<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Other Postretirement Benefits</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths', window );">Expected future benefit payments, next twelve months</a></td>
<td class="nump">5,490<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PrescriptionDrugSubsidyReceiptsNextTwelveMonths', window );">Prescription drug subsidy receipts, next twelve months</a></td>
<td class="nump">152<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo', window );">Expected future benefit payments, year two</a></td>
<td class="nump">5,525<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PrescriptionDrugSubsidyReceiptsYearTwo1', window );">Prescription drug subsidy receipts, year two</a></td>
<td class="nump">147<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree', window );">Expected future benefit payments, year three</a></td>
<td class="nump">5,396<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PrescriptionDrugSubsidyReceiptsYearThree1', window );">Prescription drug subsidy receipts, year three</a></td>
<td class="nump">141<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour', window );">Expected future benefit payments, year four</a></td>
<td class="nump">5,391<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PrescriptionDrugSubsidyReceiptsYearFour1', window );">Prescription drug subsidy receipts, Year Four</a></td>
<td class="nump">132<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive', window );">Expected future benefit payments, year five</a></td>
<td class="nump">5,470<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PrescriptionDrugSubsidyReceiptsYearFive1', window );">Prescription drug subsidy receipts, year five</a></td>
<td class="nump">123<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter', window );">Expected future benefit payments, five fiscal years thereafter</a></td>
<td class="nump">27,106<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PrescriptionDrugSubsidyReceiptsAfterYearFive', window );">Prescription drug subsidy receipts, after year five</a></td>
<td class="nump">$ 454<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanDisclosureLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefits for defined benefit plan expected to be paid in fifth fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefits for defined benefit plan expected to be paid in third fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefits for defined benefit plan expected to be paid in second fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PrescriptionDrugSubsidyReceiptsAfterYearFive">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of prescription drug subsidy receipts expected after fifth fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 60<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6414203&amp;loc=d3e39716-114964<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PrescriptionDrugSubsidyReceiptsAfterYearFive</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PrescriptionDrugSubsidyReceiptsNextTwelveMonths">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of prescription drug subsidy receipts expected in next fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 60<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6414203&amp;loc=d3e39716-114964<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PrescriptionDrugSubsidyReceiptsNextTwelveMonths</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PrescriptionDrugSubsidyReceiptsYearFive1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of prescription drug subsidy receipts expected in fifth fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 60<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6414203&amp;loc=d3e39716-114964<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PrescriptionDrugSubsidyReceiptsYearFive1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PrescriptionDrugSubsidyReceiptsYearFour1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of prescription drug subsidy receipts expected in fourth fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 60<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6414203&amp;loc=d3e39716-114964<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PrescriptionDrugSubsidyReceiptsYearFour1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PrescriptionDrugSubsidyReceiptsYearThree1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of prescription drug subsidy receipts expected in third fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 60<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6414203&amp;loc=d3e39716-114964<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PrescriptionDrugSubsidyReceiptsYearThree1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PrescriptionDrugSubsidyReceiptsYearTwo1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of prescription drug subsidy receipts expected in second fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 60<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6414203&amp;loc=d3e39716-114964<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PrescriptionDrugSubsidyReceiptsYearTwo1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTaxStatusAxis=us-gaap_QualifiedPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<head>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6877260400">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Nonqualified defined benefit plan (Details 11) - Underfunded Plan [Member] - USD ($)<br></strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Mar. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_InvestmentsInNonqualifiedBenefitPlans', window );">Investments in nonqualified benefit plans</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 122,900,000<span></span>
</td>
<td class="nump">$ 111,000,000.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Equity securities [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_InvestmentsInNonqualifiedBenefitPlans', window );">Investments in nonqualified benefit plans</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">68,300,000<span></span>
</td>
<td class="nump">62,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Life insurance carried on plan participants [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_InvestmentsInNonqualifiedBenefitPlans', window );">Investments in nonqualified benefit plans</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">36,500,000<span></span>
</td>
<td class="nump">35,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Other investments [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_InvestmentsInNonqualifiedBenefitPlans', window );">Investments in nonqualified benefit plans</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">18,100,000<span></span>
</td>
<td class="nump">13,000,000.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Nonqualified Plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedContributionPlanCostRecognized', window );">Defined contribution plan, cost recognized</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">736,000<span></span>
</td>
<td class="nump">395,000<span></span>
</td>
<td class="nump">$ 207,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember', window );">Nonqualified Plan [Member] | Supplemental employee retirement plan, defined benefit [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanDisclosureLineItems', window );"><strong>Defined Benefit Plan Disclosure [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost', window );">Net periodic benefit cost</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,700,000<span></span>
</td>
<td class="nump">1,800,000<span></span>
</td>
<td class="nump">$ 7,100,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments', window );">Curtailment gain</a></td>
<td class="nump">$ 3,300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation', window );">Projected benefit obligation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">102,500,000<span></span>
</td>
<td class="nump">101,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation', window );">Accumulated benefit obligation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 102,500,000<span></span>
</td>
<td class="nump">$ 101,800,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate', window );">Discount rate to determine benefit obligation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3.20%<span></span>
</td>
<td class="nump">3.56%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease', window );">Rate of compensation increase to determine benefit obligation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate', window );">Discount rate to determine net periodic benefit cost</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3.56%<span></span>
</td>
<td class="nump">3.77%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease', window );">Rate of compensation increase to determine net periodic benefit cost</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths', window );">Expected future benefit payments, next twelve months</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 7,100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo', window );">Expected future benefit payments, year two</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,300,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree', window );">Expected future benefit payments, year three</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,700,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour', window );">Expected future benefit payments, year four</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,700,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive', window );">Expected future benefit payments, year five</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,000,000.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter', window );">Expected future benefit payments, five fiscal years thereafter</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 37,000,000.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_InvestmentsInNonqualifiedBenefitPlans">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Investments in nonqualified benefit plans</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_InvestmentsInNonqualifiedBenefitPlans</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Weighted average rate of compensation increase used to determine net periodic benefit cost of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (k)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanDisclosureLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefits for defined benefit plan expected to be paid in next fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefits for defined benefit plan expected to be paid in fifth fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefits for defined benefit plan expected to be paid in fourth fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefits for defined benefit plan expected to be paid in third fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of benefits for defined benefit plan expected to be paid in second fiscal year following latest fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of net periodic benefit cost (credit) for defined benefit plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e2417-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of projected benefit obligation for defined benefit pension plan with accumulated benefit obligation in excess of plan assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 55<br> -Paragraph 17<br> -URI http://asc.fasb.org/extlink&amp;oid=77993564&amp;loc=d3e4179-114921<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined benefits for some or all future services of present employees.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (h)(7)<br> -URI http://asc.fasb.org/extlink&amp;oid=82843861&amp;loc=d3e1928-114920<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToCurtailments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedContributionPlanCostRecognized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost for defined contribution plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 70<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=49170846&amp;loc=d3e28014-114942<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedContributionPlanCostRecognized</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanFundingStatusAxis=us-gaap_UnderfundedPlanMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=mdu_LifeInsuranceCarriedOnPlanParticipantsMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_OtherInvestmentsMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTaxStatusAxis=us-gaap_NonqualifiedPlanMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanTypeAxis=us-gaap_SupplementalEmployeeRetirementPlanDefinedBenefitMember</td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6863893312">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Defined contribution plans (Details 12) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DefinedContributionPlanCostRecognized', window );">Defined contribution plan, cost recognized</a></td>
<td class="nump">$ 41.2<span></span>
</td>
<td class="nump">$ 40.9<span></span>
</td>
<td class="nump">$ 36.8<span></span>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedBenefitPlanDisclosureLineItems</td>
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</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DefinedContributionPlanCostRecognized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cost for defined contribution plan.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 70<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=49170846&amp;loc=d3e28014-114942<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DefinedContributionPlanCostRecognized</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanNameAxis=mdu_DefinedContributionPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanNameAxis=mdu_DefinedContributionPlanMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</body>
</html>
</TEXT>
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<DOCUMENT>
<TYPE>XML
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<FILENAME>R111.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
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<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6943886672">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Multiemployer plans (Details 13) - USD ($)<br></strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanTypeAxis=us-gaap_MultiemployerPlansPensionMember', window );">Multiemployer plans, pension [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 56,745,000<span></span>
</td>
<td class="nump">$ 44,527,000<span></span>
</td>
<td class="nump">$ 39,112,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNameAxis=mdu_AlaskaLaborersEmployersRetirementFundMember', window );">Alaska Laborers-Employers Retirement Fund [Member] | Multiemployer plans, pension [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity tax identification number</a></td>
<td class="text">916028298<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNumber', window );">Multiemployer plan number</a></td>
<td class="text">001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatus', window );">Multiemployer plans, certified zone status</a></td>
<td class="text">Yellow<span></span>
</td>
<td class="text">Yellow<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatusDate', window );">Multiemployer plans, certified zone status, date</a></td>
<td class="text">Jun. 30,  2017<span></span>
</td>
<td class="text">Jun. 30,  2016<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan', window );">Multiemployer plans, funding improvement plan and rehabilitation plan</a></td>
<td class="text">Implemented<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 690,000<span></span>
</td>
<td class="nump">$ 766,000<span></span>
</td>
<td class="nump">917,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansSurcharge', window );">Multiemployer plans, surcharge</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDate', window );">Multiemployer plans, collective-bargaining arrangement, expiration date</a></td>
<td class="text">Dec. 31,  2018<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNameAxis=mdu_EdisonPensionPlanMember', window );">Edison Pension Plan [Member] | Multiemployer plans, pension [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity tax identification number</a></td>
<td class="text">936061681<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNumber', window );">Multiemployer plan number</a></td>
<td class="text">001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatus', window );">Multiemployer plans, certified zone status</a></td>
<td class="text">Green<span></span>
</td>
<td class="text">Green<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatusDate', window );">Multiemployer plans, certified zone status, date</a></td>
<td class="text">Dec. 31,  2017<span></span>
</td>
<td class="text">Dec. 31,  2016<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan', window );">Multiemployer plans, funding improvement plan and rehabilitation plan</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 12,725,000<span></span>
</td>
<td class="nump">$ 6,242,000<span></span>
</td>
<td class="nump">5,517,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansSurcharge', window );">Multiemployer plans, surcharge</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDate', window );">Multiemployer plans, collective-bargaining arrangement, expiration date</a></td>
<td class="text">Jun. 30,  2019<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNameAxis=mdu_IbewLocalNo82PensionPlanMember', window );">IBEW Local No. 82 Pension Plan [Member] | Multiemployer plans, pension [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity tax identification number</a></td>
<td class="text">316127268<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNumber', window );">Multiemployer plan number</a></td>
<td class="text">001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatus', window );">Multiemployer plans, certified zone status</a></td>
<td class="text">Green<span></span>
</td>
<td class="text">Green<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatusDate', window );">Multiemployer plans, certified zone status, date</a></td>
<td class="text">Jun. 30,  2017<span></span>
</td>
<td class="text">Jun. 30,  2016<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan', window );">Multiemployer plans, funding improvement plan and rehabilitation plan</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 1,757,000<span></span>
</td>
<td class="nump">$ 2,560,000<span></span>
</td>
<td class="nump">2,252,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansSurcharge', window );">Multiemployer plans, surcharge</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDate', window );">Multiemployer plans, collective-bargaining arrangement, expiration date</a></td>
<td class="text">Dec.  01,  2019<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNameAxis=mdu_LocalUnion212IbewPensionTrustFundMember', window );">Local Union 212 IBEW Pension Trust Fund [Member] | Multiemployer plans, pension [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity tax identification number</a></td>
<td class="text">316127280<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNumber', window );">Multiemployer plan number</a></td>
<td class="text">001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatus', window );">Multiemployer plans, certified zone status</a></td>
<td class="text">Green<span></span>
</td>
<td class="text">Yellow<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatusDate', window );">Multiemployer plans, certified zone status, date</a></td>
<td class="text">Apr. 30,  2016<span></span>
</td>
<td class="text">Apr. 30,  2015<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan', window );">Multiemployer plans, funding improvement plan and rehabilitation plan</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 1,312,000<span></span>
</td>
<td class="nump">$ 1,146,000<span></span>
</td>
<td class="nump">937,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansSurcharge', window );">Multiemployer plans, surcharge</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDate', window );">Multiemployer plans, collective-bargaining arrangement, expiration date</a></td>
<td class="text">Jun.  02,  2019<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNameAxis=mdu_IBEWLocalNo.357PensionPlanAMember', window );">IBEW Local No. 357 Pension Plan A [Member] | Multiemployer plans, pension [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity tax identification number</a></td>
<td class="text">886023284<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNumber', window );">Multiemployer plan number</a></td>
<td class="text">001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatus', window );">Multiemployer plans, certified zone status</a></td>
<td class="text">Green<span></span>
</td>
<td class="text">Green<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatusDate', window );">Multiemployer plans, certified zone status, date</a></td>
<td class="text">Dec. 31,  2017<span></span>
</td>
<td class="text">Dec. 31,  2016<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan', window );">Multiemployer plans, funding improvement plan and rehabilitation plan</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 3,286,000<span></span>
</td>
<td class="nump">$ 3,016,000<span></span>
</td>
<td class="nump">1,896,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansSurcharge', window );">Multiemployer plans, surcharge</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDate', window );">Multiemployer plans, collective-bargaining arrangement, expiration date</a></td>
<td class="text">May 31,  2018<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNameAxis=mdu_IbewLocal648PensionPlanMember', window );">IBEW Local 648 Pension Plan [Member] | Multiemployer plans, pension [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity tax identification number</a></td>
<td class="text">316134845<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNumber', window );">Multiemployer plan number</a></td>
<td class="text">001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatus', window );">Multiemployer plans, certified zone status</a></td>
<td class="text">Red<span></span>
</td>
<td class="text">Red<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatusDate', window );">Multiemployer plans, certified zone status, date</a></td>
<td class="text">Feb. 28,  2017<span></span>
</td>
<td class="text">Feb. 29,  2016<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan', window );">Multiemployer plans, funding improvement plan and rehabilitation plan</a></td>
<td class="text">Implemented<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 2,254,000<span></span>
</td>
<td class="nump">$ 773,000<span></span>
</td>
<td class="nump">745,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansSurcharge', window );">Multiemployer plans, surcharge</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDate', window );">Multiemployer plans, collective-bargaining arrangement, expiration date</a></td>
<td class="text">Sep.  02,  2018<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNameAxis=mdu_IdahoPlumbersandPipefittersPensionPlanMember', window );">Idaho Plumbers and Pipefitters Pension Plan [Member] | Multiemployer plans, pension [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity tax identification number</a></td>
<td class="text">826010346<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNumber', window );">Multiemployer plan number</a></td>
<td class="text">001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatus', window );">Multiemployer plans, certified zone status</a></td>
<td class="text">Green<span></span>
</td>
<td class="text">Green<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatusDate', window );">Multiemployer plans, certified zone status, date</a></td>
<td class="text">May 31,  2017<span></span>
</td>
<td class="text">May 31,  2016<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan', window );">Multiemployer plans, funding improvement plan and rehabilitation plan</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 1,156,000<span></span>
</td>
<td class="nump">$ 1,221,000<span></span>
</td>
<td class="nump">1,169,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansSurcharge', window );">Multiemployer plans, surcharge</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDate', window );">Multiemployer plans, collective-bargaining arrangement, expiration date</a></td>
<td class="text">Sep. 30,  2019<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNameAxis=mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember', window );">Minnesota Teamsters Construction Division Pension Fund [Member] | Multiemployer plans, pension [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity tax identification number</a></td>
<td class="text">416187751<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNumber', window );">Multiemployer plan number</a></td>
<td class="text">001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatus', window );">Multiemployer plans, certified zone status</a></td>
<td class="text">Green<span></span>
</td>
<td class="text">Green<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatusDate', window );">Multiemployer plans, certified zone status, date</a></td>
<td class="text">Nov. 30,  2016<span></span>
</td>
<td class="text">Nov. 30,  2015<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan', window );">Multiemployer plans, funding improvement plan and rehabilitation plan</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 826,000<span></span>
</td>
<td class="nump">$ 690,000<span></span>
</td>
<td class="nump">737,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansSurcharge', window );">Multiemployer plans, surcharge</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDate', window );">Multiemployer plans, collective-bargaining arrangement, expiration date</a></td>
<td class="text">Apr. 30,  2019<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNameAxis=mdu_NationalAutomaticSprinklerIndustryPensionFundMember', window );">National Automatic Sprinkler Industry Pension Fund [Member] | Multiemployer plans, pension [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity tax identification number</a></td>
<td class="text">526054620<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNumber', window );">Multiemployer plan number</a></td>
<td class="text">001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatus', window );">Multiemployer plans, certified zone status</a></td>
<td class="text">Red<span></span>
</td>
<td class="text">Red<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatusDate', window );">Multiemployer plans, certified zone status, date</a></td>
<td class="text">Dec. 31,  2017<span></span>
</td>
<td class="text">Dec. 31,  2016<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan', window );">Multiemployer plans, funding improvement plan and rehabilitation plan</a></td>
<td class="text">Implemented<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 718,000<span></span>
</td>
<td class="nump">$ 775,000<span></span>
</td>
<td class="nump">677,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansSurcharge', window );">Multiemployer plans, surcharge</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDateFirst', window );">Multiemployer plans, collective-bargaining arrangement, expiration date, first</a></td>
<td class="text">Jul. 31,  2018<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDateLast', window );">Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date, Last</a></td>
<td class="text">Mar. 31,  2021<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNameAxis=mdu_NationalElectricalBenefitFundMember', window );">National Electrical Benefit Fund [Member] | Multiemployer plans, pension [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity tax identification number</a></td>
<td class="text">530181657<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNumber', window );">Multiemployer plan number</a></td>
<td class="text">001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatus', window );">Multiemployer plans, certified zone status</a></td>
<td class="text">Green<span></span>
</td>
<td class="text">Green<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatusDate', window );">Multiemployer plans, certified zone status, date</a></td>
<td class="text">Dec. 31,  2017<span></span>
</td>
<td class="text">Dec. 31,  2016<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan', window );">Multiemployer plans, funding improvement plan and rehabilitation plan</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 8,891,000<span></span>
</td>
<td class="nump">$ 6,366,000<span></span>
</td>
<td class="nump">5,271,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansSurcharge', window );">Multiemployer plans, surcharge</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDateFirst', window );">Multiemployer plans, collective-bargaining arrangement, expiration date, first</a></td>
<td class="text">Oct. 31,  2017<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDateLast', window );">Multiemployer Plans, Collective-Bargaining Arrangement, Expiration Date, Last</a></td>
<td class="text">Mar. 31,  2021<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNameAxis=mdu_SheetMetalWorkersPensionPlanofSouthernCAAZandNVMember', window );">Sheet Metal Workers Pension Plan of Southern CA, AZ, and NV [Member] | Multiemployer plans, pension [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity tax identification number</a></td>
<td class="text">956052257<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNumber', window );">Multiemployer plan number</a></td>
<td class="text">001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatus', window );">Multiemployer plans, certified zone status</a></td>
<td class="text">Yellow<span></span>
</td>
<td class="text">Red<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatusDate', window );">Multiemployer plans, certified zone status, date</a></td>
<td class="text">Dec. 31,  2017<span></span>
</td>
<td class="text">Dec. 31,  2016<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan', window );">Multiemployer plans, funding improvement plan and rehabilitation plan</a></td>
<td class="text">Implemented<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 1,016,000<span></span>
</td>
<td class="nump">$ 1,087,000<span></span>
</td>
<td class="nump">714,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansSurcharge', window );">Multiemployer plans, surcharge</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDate', window );">Multiemployer plans, collective-bargaining arrangement, expiration date</a></td>
<td class="text">Jun. 30,  2018<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNameAxis=mdu_SouthwestMarinePensionTrustMember', window );">Southwest Marine Pension Trust [Member] | Multiemployer plans, pension [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity tax identification number</a></td>
<td class="text">956123404<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNumber', window );">Multiemployer plan number</a></td>
<td class="text">001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatus', window );">Multiemployer plans, certified zone status</a></td>
<td class="text">Red<span></span>
</td>
<td class="text">Red<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCertifiedZoneStatusDate', window );">Multiemployer plans, certified zone status, date</a></td>
<td class="text">Dec. 31,  2017<span></span>
</td>
<td class="text">Dec. 31,  2016<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan', window );">Multiemployer plans, funding improvement plan and rehabilitation plan</a></td>
<td class="text">Implemented<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 48,000<span></span>
</td>
<td class="nump">$ 50,000<span></span>
</td>
<td class="nump">26,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansSurcharge', window );">Multiemployer plans, surcharge</a></td>
<td class="text">No<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDate', window );">Multiemployer plans, collective-bargaining arrangement, expiration date</a></td>
<td class="text">Jan. 31,  2019<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNameAxis=us-gaap_MultiemployerPlanIndividuallyInsignificantMultiemployerPlansMember', window );">Multiemployer Plan, Individually Insignificant Multiemployer Plans [Member] | Multiemployer plans, pension [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 22,066,000<span></span>
</td>
<td class="nump">19,835,000<span></span>
</td>
<td class="nump">$ 18,254,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNameAxis=mdu_OperatingEngineersLocal800AndWyContractorsAssociationPensionPlanForWyMember', window );">Operating Engineers Local 800 and WY Contractors Association Pension Plan for WY [Member] | Withdrawal from multiemployer defined benefit plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_MultiemployerDiscountedFutureQuarterlyPayments', window );">Multiemployer discounted future quarterly payments</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">42,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_MultiemployerWithdrawalLiabilityPriorAccrual', window );">Multiemployer withdrawal liability prior accrual</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">16,400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansWithdrawalObligation', window );">Multiemployer plans, withdrawal obligation</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5,200,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RangeAxis=us-gaap_MinimumMember', window );">Minimum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Multiemployerplanyellowzonestatusfundedpercentage', window );">Multiemployer plan yellow zone status funded percentage</a></td>
<td class="nump">65.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Multiemployerplangreenzonestatusfundedpercentage', window );">Multiemployer plan green zone status funded percentage</a></td>
<td class="nump">80.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RangeAxis=us-gaap_MaximumMember', window );">Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Multiemployerplanredzonestatusfundedpercentage', window );">Multiemployer plan red zone status funded percentage</a></td>
<td class="nump">65.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Mulitiemployerplanyellowstatusfundedpercentage', window );">Mulitiemployer plan yellow status funded percentage</a></td>
<td class="nump">80.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12b<br> -Subsection 1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:nineDigitItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_Mulitiemployerplanyellowstatusfundedpercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Mulitiemployer plan yellow status funded percentage</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_Mulitiemployerplanyellowstatusfundedpercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_MultiemployerDiscountedFutureQuarterlyPayments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Multiemployer discounted future quarterly payments.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_MultiemployerDiscountedFutureQuarterlyPayments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_MultiemployerWithdrawalLiabilityPriorAccrual">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Multiemployer withdrawal liability prior accrual</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_MultiemployerWithdrawalLiabilityPriorAccrual</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_Multiemployerplangreenzonestatusfundedpercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Multiemployer plan green zone status funded percentage</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_Multiemployerplangreenzonestatusfundedpercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_Multiemployerplanredzonestatusfundedpercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Multiemployer plan red zone status funded percentage</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_Multiemployerplanredzonestatusfundedpercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_Multiemployerplanyellowzonestatusfundedpercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Multiemployer plan yellow zone status funded percentage</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_Multiemployerplanyellowzonestatusfundedpercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanContributionsByEmployer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of contributions made to multiemployer plan by employer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 80<br> -Section 50<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65877416&amp;loc=SL14450702-114947<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 80<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (e)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=65877416&amp;loc=SL14450657-114947<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 80<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=65877416&amp;loc=SL14450691-114947<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanContributionsByEmployer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Three digit plan number for a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 80<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=65877416&amp;loc=SL14450657-114947<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>us-types:threeDigitItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlansCertifiedZoneStatus">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate the multiemployer plan's certified zone status as currently required by the Pension Protection Act of 2006 or a subsequent amendment thereof. The zone status categories are red (critical status), orange (seriously endangered), yellow (endangered), and green (none of the above). The acceptable values are "red", "orange", "yellow", "green", "other", and "NA".  A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 80<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=65877416&amp;loc=SL14450657-114947<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlansCertifiedZoneStatus</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>us-types:zoneStatusItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlansCertifiedZoneStatusDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Date of the multiemployer plan's year end to which the certified zone status relates, in CCYY-MM-DD format. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 80<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=65877416&amp;loc=SL14450657-114947<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlansCertifiedZoneStatusDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Expiration date of the collective bargaining arrangement requiring contributions to the multiemployer plan, in CCYY-MM-DD format. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 80<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=65877416&amp;loc=SL14450657-114947<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDateFirst">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Expiration date of the collective bargaining arrangement requiring contributions to the multiemployer plan that will expire first in a group of associated collective bargaining arrangements, in CCYY-MM-DD format. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 80<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=65877416&amp;loc=SL14450657-114947<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDateFirst</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDateLast">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Expiration date of the collective bargaining arrangement requiring contributions to the multiemployer plan that will expire last in a group of associated collective bargaining arrangements, in CCYY-MM-DD format. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 80<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=65877416&amp;loc=SL14450657-114947<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlansCollectiveBargainingArrangementExpirationDateLast</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate whether a funding improvement plan or rehabilitation plan has been implemented or is pending for a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. The acceptable values are "no", "pending", "implemented", "other", and "NA".</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 80<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (f)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=65877416&amp;loc=SL14450657-114947<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlansFundingImprovementPlanAndRehabilitationPlan</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>us-types:fundingImprovementAndRehabilitationPlanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlansLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlansLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlansSurcharge">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate whether the employer paid a surcharge to the pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. The acceptable values are "no", "yes", and "NA".</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 80<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (f)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=65877416&amp;loc=SL14450657-114947<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlansSurcharge</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>us-types:surchargeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlansWithdrawalObligation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the obligation recognized by withdrawing from a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlansWithdrawalObligation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanTypeAxis=us-gaap_MultiemployerPlansPensionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanTypeAxis=us-gaap_MultiemployerPlansPensionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanNameAxis=mdu_AlaskaLaborersEmployersRetirementFundMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanNameAxis=mdu_AlaskaLaborersEmployersRetirementFundMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanNameAxis=mdu_EdisonPensionPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanNameAxis=mdu_EdisonPensionPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanNameAxis=mdu_IbewLocalNo82PensionPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanNameAxis=mdu_IbewLocalNo82PensionPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanNameAxis=mdu_LocalUnion212IbewPensionTrustFundMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanNameAxis=mdu_LocalUnion212IbewPensionTrustFundMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanNameAxis=mdu_IBEWLocalNo.357PensionPlanAMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanNameAxis=mdu_IBEWLocalNo.357PensionPlanAMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanNameAxis=mdu_IbewLocal648PensionPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanNameAxis=mdu_IbewLocal648PensionPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanNameAxis=mdu_IdahoPlumbersandPipefittersPensionPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanNameAxis=mdu_IdahoPlumbersandPipefittersPensionPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanNameAxis=mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanNameAxis=mdu_MinnesotaTeamstersConstructionDivisionPensionFundMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanNameAxis=mdu_NationalAutomaticSprinklerIndustryPensionFundMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanNameAxis=mdu_NationalAutomaticSprinklerIndustryPensionFundMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanNameAxis=mdu_NationalElectricalBenefitFundMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanNameAxis=mdu_NationalElectricalBenefitFundMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanNameAxis=mdu_SheetMetalWorkersPensionPlanofSouthernCAAZandNVMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanNameAxis=mdu_SheetMetalWorkersPensionPlanofSouthernCAAZandNVMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanNameAxis=mdu_SouthwestMarinePensionTrustMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanNameAxis=mdu_SouthwestMarinePensionTrustMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanNameAxis=us-gaap_MultiemployerPlanIndividuallyInsignificantMultiemployerPlansMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanNameAxis=us-gaap_MultiemployerPlanIndividuallyInsignificantMultiemployerPlansMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanNameAxis=mdu_OperatingEngineersLocal800AndWyContractorsAssociationPensionPlanForWyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanNameAxis=mdu_OperatingEngineersLocal800AndWyContractorsAssociationPensionPlanForWyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_WithdrawalFromMultiemployerDefinedBenefitPlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_WithdrawalFromMultiemployerDefinedBenefitPlanMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RangeAxis=us-gaap_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RangeAxis=us-gaap_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RangeAxis=us-gaap_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RangeAxis=us-gaap_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>126
<FILENAME>R112.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6861843872">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Multiemployer other postretirement and defined contribution plans (Details 14) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetirementPlanNameAxis=mdu_MultiemployerPlansDefinedContributionMember', window );">Multiemployer Plans, Defined Contribution [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 32.2<span></span>
</td>
<td class="nump">$ 23.8<span></span>
</td>
<td class="nump">$ 19.5<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanTypeAxis=us-gaap_MultiemployerPlansPostretirementBenefitMember', window );">Multiemployer Plans, Postretirement Benefit [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlansLineItems', window );"><strong>Multiemployer Plans [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanContributionsByEmployer', window );">Multiemployer plan, period contributions</a></td>
<td class="nump">$ 51.7<span></span>
</td>
<td class="nump">$ 36.1<span></span>
</td>
<td class="nump">$ 31.4<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanContributionsByEmployer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of contributions made to multiemployer plan by employer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 80<br> -Section 50<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=65877416&amp;loc=SL14450702-114947<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 80<br> -Section 50<br> -Paragraph 5<br> -Subparagraph (e)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=65877416&amp;loc=SL14450657-114947<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 715<br> -SubTopic 80<br> -Section 50<br> -Paragraph 9<br> -URI http://asc.fasb.org/extlink&amp;oid=65877416&amp;loc=SL14450691-114947<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanContributionsByEmployer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlansLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlansLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetirementPlanNameAxis=mdu_MultiemployerPlansDefinedContributionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetirementPlanNameAxis=mdu_MultiemployerPlansDefinedContributionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_MultiemployerPlanTypeAxis=us-gaap_MultiemployerPlansPostretirementBenefitMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MultiemployerPlanTypeAxis=us-gaap_MultiemployerPlansPostretirementBenefitMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>127
<FILENAME>R113.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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</head>
<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6849383248">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Jointly owned facilities (Details) - Jointly owned electricity generation plant - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantAxis=us-gaap_JointlyOwnedElectricityGenerationPlantMember', window );">Big Stone Station [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService', window );">Utility plant in service</a></td>
<td class="nump">$ 158,084<span></span>
</td>
<td class="nump">$ 157,144<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation', window );">Less accumulated depreciation</a></td>
<td class="nump">51,740<span></span>
</td>
<td class="nump">49,568<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmount', window );">Utility plant in services net</a></td>
<td class="nump">106,344<span></span>
</td>
<td class="nump">107,576<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantAxis=us-gaap_JointlyOwnedElectricityGenerationPlantMember', window );">Coyote Station [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService', window );">Utility plant in service</a></td>
<td class="nump">155,287<span></span>
</td>
<td class="nump">156,334<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation', window );">Less accumulated depreciation</a></td>
<td class="nump">103,897<span></span>
</td>
<td class="nump">105,928<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmount', window );">Utility plant in services net</a></td>
<td class="nump">51,390<span></span>
</td>
<td class="nump">50,406<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantAxis=us-gaap_JointlyOwnedElectricityGenerationPlantMember', window );">Wygen III [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems', window );"><strong>Jointly Owned Utility Plant Interests [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService', window );">Utility plant in service</a></td>
<td class="nump">65,065<span></span>
</td>
<td class="nump">66,251<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation', window );">Less accumulated depreciation</a></td>
<td class="nump">7,652<span></span>
</td>
<td class="nump">7,550<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmount', window );">Utility plant in services net</a></td>
<td class="nump">$ 57,413<span></span>
</td>
<td class="nump">$ 58,701<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The period end amount owned by the reporting utility of a jointly owned utility plant in service.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 360<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 10.C)<br> -URI http://asc.fasb.org/extlink&amp;oid=6500719&amp;loc=d3e659983-123033<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantGrossOwnershipAmountOfPlantInService</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_JointlyOwnedUtilityPlantInterestsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantInterestsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total period end amount of plant in service and construction in progress net of accumulated depreciation for the utility's share of jointly owned electricity generation plant.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 360<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 10.C)<br> -URI http://asc.fasb.org/extlink&amp;oid=6500719&amp;loc=d3e659983-123033<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantNetOwnershipAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The period end amount of accumulated depreciation in a jointly owned electricity generation plant.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 980<br> -SubTopic 360<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 10.C)<br> -URI http://asc.fasb.org/extlink&amp;oid=6500719&amp;loc=d3e659983-123033<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantOwnershipAmountOfPlantAccumulatedDepreciation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_JointlyOwnedUtilityPlantAxis=us-gaap_JointlyOwnedElectricityGenerationPlantMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilityAxis=mdu_BigStoneStationMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilityAxis=mdu_CoyoteStationMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilityAxis=mdu_WygenIiiMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6855188384">
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<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>IPUC (Details) - Natural gas rate proceeding [Member] - IPUC [Member] - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Sep. 14, 2017</div></th>
<th class="th"><div>Aug. 17, 2017</div></th>
<th class="th"><div>Apr. 28, 2017</div></th>
<th class="th"><div>Jan. 17, 2017</div></th>
<th class="th"><div>Aug. 12, 2016</div></th>
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<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount', window );">Public utilities, requested rate increase (decrease), amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1.2<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 10.2<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreasePercentage', window );">Public utilities, requested rate increase (decrease), percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1.36%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4.10%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount', window );">Public utilities, requested rate increase (decrease), amended, amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 9.4<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount', window );">Public utilities, approved rate increase (decrease), amount</a></td>
<td class="nump">$ 6.7<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4.1<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreasePercentage', window );">Public utilities, approved rate increase (decrease), percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1.60%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage', window );">Public utilities, approved return on equity, percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">9.50%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's approved rate increase (decrease) by regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's approved rate increase (decrease) by regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesApprovedRateIncreaseDecreasePercentage</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's approved return on equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesApprovedReturnOnEquityPercentage</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesGeneralDisclosuresLineItems</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's amended requested rate increase (decrease) with regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's requested rate increase (decrease) with regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>xbrli:monetaryItemType</td>
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<td>credit</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's requested rate increase (decrease) with regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRequestedRateIncreaseDecreasePercentage</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_NaturalgasrateproceedingMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAgencyAxis=mdu_IPUCMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td></td>
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<DOCUMENT>
<TYPE>XML
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<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6861064816">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>MNPUC (Details 2) - Natural gas cost tariff [Member] - MNPUC [Member] - USD ($)<br></strong></div></th>
<th class="th"><div>Oct. 06, 2017</div></th>
<th class="th"><div>Dec. 21, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount', window );">Public utilities, requested rate increase (decrease), amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 456,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount', window );">Public utilities, approved rate increase (decrease), amount</a></td>
<td class="nump">$ 456,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's approved rate increase (decrease) by regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesGeneralDisclosuresLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's requested rate increase (decrease) with regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_NaturalgascosttariffMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_NaturalgascosttariffMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAgencyAxis=mdu_MNPUCMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>130
<FILENAME>R116.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6772947552">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>MTPSC (Details 3) - MTPSC [Member] - USD ($)<br></strong></div></th>
<th class="th"><div>Jan. 12, 2018</div></th>
<th class="th"><div>Sep. 25, 2017</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_NaturalgasrateproceedingMember', window );">Natural gas rate proceeding [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount', window );">Public utilities, requested rate increase (decrease), amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,800,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreasePercentage', window );">Public utilities, requested rate increase (decrease), percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4.10%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesInterimRateIncreaseDecreaseAmount', window );">Public utilities, interim rate increase (decrease), amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,600,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesInterimRateIncreaseDecreasePercentage', window );">Public utilities, interim rate increase (decrease), percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2.30%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember', window );">Subsequent event [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PublicUtilitiesIntermRateIncreaseDecreseRevised', window );">Public utilities interim rate increase (decrease), revised</a></td>
<td class="nump">$ 764,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PublicUtilitiesIntermRateIncreaseDecreseRevised">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Public utilities interim rate increase (decrease), revised</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PublicUtilitiesIntermRateIncreaseDecreseRevised</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesGeneralDisclosuresLineItems</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesInterimRateIncreaseDecreaseAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's interim rate increase (decrease) allowed while waiting final decision of regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesInterimRateIncreaseDecreaseAmount</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesInterimRateIncreaseDecreasePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's interim rate increase (decrease) allowed while waiting final decision of regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesInterimRateIncreaseDecreasePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's requested rate increase (decrease) with regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreasePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's requested rate increase (decrease) with regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRequestedRateIncreaseDecreasePercentage</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_NaturalgasrateproceedingMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_NaturalgasrateproceedingMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAgencyAxis=mdu_MtpscMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAgencyAxis=mdu_MtpscMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
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<DESCRIPTION>IDEA: XBRL DOCUMENT
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<head>
<title></title>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6860231584">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>NDPSC (Details 4) - NDPSC [Member] - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Feb. 14, 2018</div></th>
<th class="th"><div>Sep. 06, 2017</div></th>
<th class="th"><div>Jul. 21, 2017</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_AdvanceDeterminationofPrudenceMember', window );">Advance determination of prudence [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_EstimatedProjectCost', window );">Estimated project cost</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 85.0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_NaturalgasrateproceedingMember', window );">Natural gas rate proceeding [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount', window );">Public utilities, requested rate increase (decrease), amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5.9<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreasePercentage', window );">Public utilities, requested rate increase (decrease), percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">5.40%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesInterimRateIncreaseDecreaseAmount', window );">Public utilities, interim rate increase (decrease), amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 4.6<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesInterimRateIncreaseDecreasePercentage', window );">Public utilities, interim rate increase (decrease), percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4.20%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember', window );">Subsequent event [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PublicUtilitiesIntermRateIncreaseDecreseRevised', window );">Public utilities interim rate increase (decrease), revised</a></td>
<td class="nump">$ 2.7<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_EstimatedProjectCost">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Estimated Project Cost</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_EstimatedProjectCost</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Public utilities interim rate increase (decrease), revised</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PublicUtilitiesIntermRateIncreaseDecreseRevised</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesGeneralDisclosuresLineItems</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesInterimRateIncreaseDecreaseAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's interim rate increase (decrease) allowed while waiting final decision of regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesInterimRateIncreaseDecreaseAmount</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesInterimRateIncreaseDecreasePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's interim rate increase (decrease) allowed while waiting final decision of regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesInterimRateIncreaseDecreasePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's requested rate increase (decrease) with regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreasePercentage">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's requested rate increase (decrease) with regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRequestedRateIncreaseDecreasePercentage</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_AdvanceDeterminationofPrudenceMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAgencyAxis=mdu_NDPSCMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAgencyAxis=mdu_NDPSCMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_NaturalgasrateproceedingMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_NaturalgasrateproceedingMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>132
<FILENAME>R118.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6861540960">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>OPUC (Details 5) - Pipeline replacement cost recovery [Member] - OPUC [Member]<br></strong></div></th>
<th class="th">
<div>Sep. 29, 2017 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount', window );">Public utilities, requested rate increase (decrease), amount</a></td>
<td class="nump">$ 784,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreasePercentage', window );">Public utilities, requested rate increase (decrease), percentage</a></td>
<td class="nump">1.20%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesGeneralDisclosuresLineItems</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's requested rate increase (decrease) with regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreasePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's requested rate increase (decrease) with regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRequestedRateIncreaseDecreasePercentage</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_PipelineReplacementCostRecoveryMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_PipelineReplacementCostRecoveryMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAgencyAxis=mdu_OPUCMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td></td>
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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>133
<FILENAME>R119.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6862907040">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>WUTC (Details 6) - WUTC [Member] - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Jan. 12, 2018</div></th>
<th class="th"><div>Oct. 26, 2017</div></th>
<th class="th"><div>Aug. 31, 2017</div></th>
<th class="th"><div>May 31, 2017</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_PipelineReplacementCostRecoveryMember', window );">Pipeline replacement cost recovery [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount', window );">Public utilities, requested rate increase (decrease), amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1.6<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreasePercentage', window );">Public utilities, requested rate increase (decrease), percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.75%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount', window );">Public utilities, approved rate increase (decrease), amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1.3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreasePercentage', window );">Public utilities, approved rate increase (decrease), percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">0.61%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_NaturalgasrateproceedingMember', window );">Natural gas rate proceeding [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount', window );">Public utilities, requested rate increase (decrease), amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5.9<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreasePercentage', window );">Public utilities, requested rate increase (decrease), percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2.70%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_NaturalgasrateproceedingMember', window );">Natural gas rate proceeding [Member] | Subsequent event [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount', window );">Public utilities, requested rate increase (decrease), amended, amount</a></td>
<td class="nump">$ 1.7<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's approved rate increase (decrease) by regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount</td>
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<tr>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's approved rate increase (decrease) by regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesApprovedRateIncreaseDecreasePercentage</td>
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<td><strong> Data Type:</strong></td>
<td>num:percentItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td>na</td>
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<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's amended requested rate increase (decrease) with regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmendedAmount</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's requested rate increase (decrease) with regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>credit</td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percentage of public utility's requested rate increase (decrease) with regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRequestedRateIncreaseDecreasePercentage</td>
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<td>num:percentItemType</td>
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<td>na</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_PipelineReplacementCostRecoveryMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RegulatoryAgencyAxis=mdu_WUTCMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAgencyAxis=mdu_WUTCMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_NaturalgasrateproceedingMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</table></div>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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</div></td></tr>
</table>
</div>
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</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>134
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<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6856844448">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>FERC (Details 7) - Electric transmission rate proceeding [Member] - MISO [Member]<br> $ in Millions</strong></div></th>
<th class="th">
<div>Sep. 01, 2017 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems', window );"><strong>Public Utilities, General Disclosures [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount', window );">Public utilities, requested rate increase (decrease), amount</a></td>
<td class="nump">$ 2.5<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount', window );">Public utilities, approved rate increase (decrease), amount</a></td>
<td class="nump">$ 13.6<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's approved rate increase (decrease) by regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesApprovedRateIncreaseDecreaseAmount</td>
</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PublicUtilitiesGeneralDisclosuresLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesGeneralDisclosuresLineItems</td>
</tr>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>xbrli:stringItemType</td>
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<td>na</td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of public utility's requested rate increase (decrease) with regulatory agency.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRequestedRateIncreaseDecreaseAmount</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PublicUtilitiesRegulatoryProceedingAxis=mdu_ElectrictransmissionrateproceedingMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RegulatoryAgencyAxis=mdu_MISOMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<DOCUMENT>
<TYPE>XML
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<FILENAME>R121.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6856082656">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Litigation (Details) - USD ($)<br> $ in Millions</strong></div></th>
<th class="th"><div>Nov. 03, 2016</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LossContingenciesLineItems', window );"><strong>Loss Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LossContingencyAccrualAtCarryingValue', window );">Loss contingency accrual</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 35.4<span></span>
</td>
<td class="nump">$ 31.8<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LitigationCaseAxis=mdu_LitigationRelatedToConstructionServicesMember', window );">Litigation related to Construction Services [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LossContingenciesLineItems', window );"><strong>Loss Contingencies [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LossContingencyDamagesAwardedValue', window );">Loss contingency, damages awarded, value</a></td>
<td class="nump">$ 44.8<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LossContingenciesLineItems</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of loss contingency liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82911808&amp;loc=d3e14326-108349<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LossContingencyAccrualAtCarryingValue</td>
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<td>credit</td>
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<td>instant</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of damages awarded to the plaintiff in the legal matter.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82911808&amp;loc=d3e14326-108349<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=82911808&amp;loc=d3e14435-108349<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=82911808&amp;loc=d3e14557-108349<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LossContingencyDamagesAwardedValue</td>
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<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LitigationCaseAxis=mdu_LitigationRelatedToConstructionServicesMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6859211808">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Enviromental matters (Details 2) - USD ($)<br></strong></div></th>
<th class="th" colspan="1">12 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Jan. 06, 2017</div></th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnvironmentalRemediationSiteAxis=mdu_PortlandHarborSiteMember', window );">Portland Harbor site [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SiteContingencyLineItems', window );"><strong>Site Contingency [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_EnvironmentalMattersInvestigativeCosts', window );">Environmental matters investigative costs</a></td>
<td class="nump">$ 100,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_EnvironmentalMattersEstimatedCosts', window );">Environmental matters, estimated costs</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,000,000,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnvironmentalRemediationSiteAxis=mdu_EugeneORManufacturedGasPlantSiteMember', window );">Eugene, OR manufactured gas plant site [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SiteContingencyLineItems', window );"><strong>Site Contingency [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_TotalEstimatedCostsForSiteRemediation', window );">Total estimated costs for site remediation</a></td>
<td class="nump">3,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_IncurredCostsForSiteRemediation', window );">Incurred costs for site remediation</a></td>
<td class="nump">$ 400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_PercentOfOngoingCostsPaid', window );">Percent of ongoing costs paid</a></td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_EstimatedProportionalShareOfCleanupLiability', window );">Estimated proportional share of cleanup liability</a></td>
<td class="nump">50.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_EnvironmentalMattersAccrualForSiteRemediation', window );">Environmental matters accrual for site remediation</a></td>
<td class="nump">$ 1,600,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnvironmentalRemediationSiteAxis=mdu_BremertonWAManufacturedGasPlantSiteMember', window );">Bremerton, WA manufactured gas plant site [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SiteContingencyLineItems', window );"><strong>Site Contingency [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_EnvironmentalMattersAccrualForSiteRemediation', window );">Environmental matters accrual for site remediation</a></td>
<td class="nump">6,400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_TotalEstimatedCostsForSiteRemedialInvestigationAndFeasibilityStudy', window );">Total estimated costs for site remedial investigation and feasibility study</a></td>
<td class="nump">7,600,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_IncurredCostsForSiteRemedialInvestigationAndFeasibilityStudy', window );">Incurred costs for site remedial investigation and feasibility study</a></td>
<td class="nump">1,700,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_EnvironmentalMattersAccrualForRemedialInvestigationandFeasibilityStudyCosts', window );">Environmental matters accrual for remedial investigation and feasibility study costs</a></td>
<td class="nump">5,900,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EnvironmentalRemediationSiteAxis=mdu_BellinghamWAManufacturedGasPlantSiteMember', window );">Bellingham, WA manufactured gas plant site [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SiteContingencyLineItems', window );"><strong>Site Contingency [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SiteContingencyLossExposureNotAccruedBestEstimate', window );">Site contingency, loss exposure not accrued, best estimate</a></td>
<td class="nump">8,000,000.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RangeAxis=us-gaap_MinimumMember', window );">Minimum [Member] | Bremerton, WA manufactured gas plant site [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SiteContingencyLineItems', window );"><strong>Site Contingency [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SiteContingencyLossExposureNotAccruedBestEstimate', window );">Site contingency, loss exposure not accrued, best estimate</a></td>
<td class="nump">340,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RangeAxis=us-gaap_MaximumMember', window );">Maximum [Member] | Bremerton, WA manufactured gas plant site [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SiteContingencyLineItems', window );"><strong>Site Contingency [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SiteContingencyLossExposureNotAccruedBestEstimate', window );">Site contingency, loss exposure not accrued, best estimate</a></td>
<td class="nump">$ 6,400,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_EnvironmentalMattersAccrualForRemedialInvestigationandFeasibilityStudyCosts">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Environmental matters accrual for remedial investigation and feasibility study costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_EnvironmentalMattersAccrualForRemedialInvestigationandFeasibilityStudyCosts</td>
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<td>instant</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_EnvironmentalMattersAccrualForSiteRemediation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Environmental matters accrual for site remediation</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_EnvironmentalMattersAccrualForSiteRemediation</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Environmental matters, estimated costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_EnvironmentalMattersEstimatedCosts</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_EnvironmentalMattersInvestigativeCosts">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Estimated investigative costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_EnvironmentalMattersInvestigativeCosts</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The estimated proportional share of the clean-up costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_EstimatedProportionalShareOfCleanupLiability</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Incurred costs for site remedial investigation and feasibility study</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_IncurredCostsForSiteRemedialInvestigationAndFeasibilityStudy</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_IncurredCostsForSiteRemediation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Incurred costs for site remediation</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_IncurredCostsForSiteRemediation</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_PercentOfOngoingCostsPaid">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Percent of ongoing costs paid.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_PercentOfOngoingCostsPaid</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_TotalEstimatedCostsForSiteRemedialInvestigationAndFeasibilityStudy">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total estimated costs for site remedial investigation and feasibility study</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_TotalEstimatedCostsForSiteRemedialInvestigationAndFeasibilityStudy</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_TotalEstimatedCostsForSiteRemediation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total estimated costs for site remediation</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_TotalEstimatedCostsForSiteRemediation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SiteContingencyLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SiteContingencyLineItems</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td>na</td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SiteContingencyLossExposureNotAccruedBestEstimate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Best estimate of the loss exposure for reasonably possible environmental contingencies at an individual site for which no accrual has been recorded.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 410<br> -SubTopic 30<br> -Section 50<br> -Paragraph 10<br> -Subparagraph (c),(d)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=6393242&amp;loc=d3e13237-110859<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SiteContingencyLossExposureNotAccruedBestEstimate</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EnvironmentalRemediationSiteAxis=mdu_PortlandHarborSiteMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnvironmentalRemediationSiteAxis=mdu_PortlandHarborSiteMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnvironmentalRemediationSiteAxis=mdu_EugeneORManufacturedGasPlantSiteMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnvironmentalRemediationSiteAxis=mdu_BremertonWAManufacturedGasPlantSiteMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EnvironmentalRemediationSiteAxis=mdu_BellinghamWAManufacturedGasPlantSiteMember</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6857713264">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Operating leases (Details 3) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
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<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract', window );"><strong>Operating Leases, Annual minimum lease payments due [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent', window );">2018</a></td>
<td class="nump">$ 55,511<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears', window );">2019</a></td>
<td class="nump">45,307<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears', window );">2020</a></td>
<td class="nump">33,168<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears', window );">2021</a></td>
<td class="nump">18,562<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears', window );">2022</a></td>
<td class="nump">7,047<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter', window );">Thereafter</a></td>
<td class="nump">40,833<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesRentExpenseAbstract', window );"><strong>Rent expense</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasesRentExpenseNet', window );">Rent expense</a></td>
<td class="nump">$ 73,700<span></span>
</td>
<td class="nump">$ 65,000<span></span>
</td>
<td class="nump">$ 53,900<span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 10<br> -Section 55<br> -Paragraph 40<br> -Subparagraph (Note 3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82846649&amp;loc=d3e38371-112697<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 20<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77902758&amp;loc=d3e41502-112717<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 20<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77902758&amp;loc=d3e41502-112717<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 10<br> -Section 55<br> -Paragraph 40<br> -Subparagraph (Note 3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82846649&amp;loc=d3e38371-112697<br></p></div>
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<tr>
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<td style="white-space:nowrap;">us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears</td>
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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 20<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77902758&amp;loc=d3e41502-112717<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 10<br> -Section 55<br> -Paragraph 40<br> -Subparagraph (Note 3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82846649&amp;loc=d3e38371-112697<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears</td>
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<td><strong> Balance Type:</strong></td>
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<td>instant</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 20<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77902758&amp;loc=d3e41502-112717<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 10<br> -Section 55<br> -Paragraph 40<br> -Subparagraph (Note 3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82846649&amp;loc=d3e38371-112697<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 10<br> -Section 55<br> -Paragraph 40<br> -Subparagraph (Note 3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82846649&amp;loc=d3e38371-112697<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 20<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77902758&amp;loc=d3e41502-112717<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 10<br> -Section 55<br> -Paragraph 40<br> -Subparagraph (Note 3)<br> -URI http://asc.fasb.org/extlink&amp;oid=82846649&amp;loc=d3e38371-112697<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 20<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77902758&amp;loc=d3e41502-112717<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 840<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=77902758&amp;loc=d3e41499-112717<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Purchase commitments (Details 4) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
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<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PurchaseObligationFiscalYearMaturityAbstract', window );"><strong>Purchase commitments due</strong></a></td>
<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary', window );">2018</a></td>
<td class="nump">$ 360,751<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary', window );">2019</a></td>
<td class="nump">215,005<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary', window );">2020</a></td>
<td class="nump">162,424<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary', window );">2021</a></td>
<td class="nump">135,334<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary', window );">2022</a></td>
<td class="nump">99,068<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears', window );">Thereafter</a></td>
<td class="nump">773,820<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases', window );">Amounts purchased under various commitments</a></td>
<td class="nump">$ 516,100<span></span>
</td>
<td class="nump">$ 539,300<span></span>
</td>
<td class="nump">$ 842,100<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RangeAxis=us-gaap_MaximumMember', window );">Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermPurchaseCommitmentLineItems', window );"><strong>Long-term Purchase Commitment [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_UnrecordedUnconditionalPurchaseObligationTerm', window );">Unrecorded Unconditional Purchase Obligation, Term</a></td>
<td class="text">43 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermPurchaseCommitmentLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermPurchaseCommitmentLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PurchaseObligationFiscalYearMaturityAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PurchaseObligationFiscalYearMaturityAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=77896938&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=77896938&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=77896938&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFourthAnniversary</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=77896938&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnSecondAnniversary</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=77896938&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the fixed and determinable portion of the unrecorded unconditional purchase obligation maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=77896938&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount purchased during the period under an unrecorded unconditional purchase obligation (for example, under the take-or-pay or throughput contract).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=77896938&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationPurchases</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_UnrecordedUnconditionalPurchaseObligationTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Term of the unrecognized unconditional purchase obligation, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 440<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=77896938&amp;loc=d3e25336-109308<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_UnrecordedUnconditionalPurchaseObligationTerm</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RangeAxis=us-gaap_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RangeAxis=us-gaap_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<SEQUENCE>139
<FILENAME>R125.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6855955392">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Guarantees (Details 5)<br></strong></div></th>
<th class="th">
<div>Dec. 31, 2017 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GuaranteeObligationsLineItems', window );"><strong>Guarantor Obligations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GuaranteeObligationsMaximumExposure', window );">Guarantor obligations, maximum exposure, undiscounted</a></td>
<td class="nump">$ 108,000,000.0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_FixedMaximumAmountsGuaranteedByYearOne', window );">Fixed maximum amounts guaranteed by year 2018</a></td>
<td class="nump">6,400,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_FixedMaximumAmountsGuaranteedByYearTwo', window );">Fixed maximum amounts guaranteed by year 2019</a></td>
<td class="nump">25,900,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_FixedMaximumAmountsGuaranteedByYearThree', window );">Fixed maximum amounts guaranteed by year 2020</a></td>
<td class="nump">68,700,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_FixedMaximumAmountsGuaranteedByYearFour', window );">Fixed maximum amounts guaranteed by year 2021</a></td>
<td class="nump">500,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_FixedMaximumAmountsGuaranteedByYearFive', window );">Fixed maximum amounts guaranteed by year 2022</a></td>
<td class="nump">500,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_FixedMaximumAmountsGuaranteedThereafter', window );">Fixed maximum amounts guaranteed, thereafter</a></td>
<td class="nump">2,000,000.0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_FixedMaximumAmountsGuaranteedByYearNoMaturityDate', window );">Fixed maximum amounts guaranteed by year no maturity date</a></td>
<td class="nump">4,000,000.0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_AmountOutstandingUnderGuaranteesThatIsReflectedOnBalanceSheet', window );">Amount outstanding under guarantees</a></td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_LettersofCreditSettoExpireinNextFiscalYear', window );">Letters of credit</a></td>
<td class="nump">34,000,000.0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LettersOfCreditOutstandingAmount', window );">Outstanding letters of credit</a></td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_AmountOfSuretyBondsOutstanding', window );">Amount of surety bonds outstanding</a></td>
<td class="nump">616,500,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GuaranteeObligationsByNatureAxis=us-gaap_FinancialGuaranteeMember', window );">Financial guarantee [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GuaranteeObligationsLineItems', window );"><strong>Guarantor Obligations [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_GuaranteeObligationsMaximumExposure', window );">Guarantor obligations, maximum exposure, undiscounted</a></td>
<td class="nump">$ 56,300,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_AmountOfSuretyBondsOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of surety bonds outstanding related to construction contracts and reclamation obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_AmountOfSuretyBondsOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_AmountOutstandingUnderGuaranteesThatIsReflectedOnBalanceSheet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount outstanding under gurantees that is reflected on the balance sheet.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_AmountOutstandingUnderGuaranteesThatIsReflectedOnBalanceSheet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_FixedMaximumAmountsGuaranteedByYearFive">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fixed maximum amounts guaranteed by year five.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_FixedMaximumAmountsGuaranteedByYearFive</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_FixedMaximumAmountsGuaranteedByYearFour">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fixed maximum amounts guaranteed by year four.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_FixedMaximumAmountsGuaranteedByYearFour</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_FixedMaximumAmountsGuaranteedByYearNoMaturityDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fixed maximum amounts guaranteed with no maturity date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_FixedMaximumAmountsGuaranteedByYearNoMaturityDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_FixedMaximumAmountsGuaranteedByYearOne">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fixed maximum amounts guaranteed by year one.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_FixedMaximumAmountsGuaranteedByYearOne</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_FixedMaximumAmountsGuaranteedByYearThree">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fixed maximum amounts guaranteed by year three.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_FixedMaximumAmountsGuaranteedByYearThree</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_FixedMaximumAmountsGuaranteedByYearTwo">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fixed maximum amounts guaranteed by year two.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_FixedMaximumAmountsGuaranteedByYearTwo</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_FixedMaximumAmountsGuaranteedThereafter">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Fixed maximum amounts guaranteed, thereafter.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_FixedMaximumAmountsGuaranteedThereafter</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_LettersofCreditSettoExpireinNextFiscalYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Letters of credit set to expire in next fiscal year.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_LettersofCreditSettoExpireinNextFiscalYear</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GuaranteeObligationsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GuaranteeObligationsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GuaranteeObligationsMaximumExposure">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 460<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (b)(1)<br> -URI http://asc.fasb.org/extlink&amp;oid=82913245&amp;loc=d3e12069-110248<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GuaranteeObligationsMaximumExposure</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LettersOfCreditOutstandingAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LettersOfCreditOutstandingAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GuaranteeObligationsByNatureAxis=us-gaap_FinancialGuaranteeMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GuaranteeObligationsByNatureAxis=us-gaap_FinancialGuaranteeMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>140
<FILENAME>R126.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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</head>
<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6854215392">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Variable interest entities (Details 6)<br> $ in Millions</strong></div></th>
<th class="th">
<div>Dec. 31, 2017 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=mdu_FuelContractMember', window );">Fuel contract [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableInterestEntityLineItems', window );"><strong>Variable Interest Entities [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount', window );">Variable interest entity, reporting entity involvement, maximum loss exposure, amount</a></td>
<td class="nump">$ 40.8<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph b<br> -URI http://asc.fasb.org/extlink&amp;oid=77990344&amp;loc=d3e5728-111685<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 6<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=77990344&amp;loc=d3e5747-111685<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_VariableInterestEntityLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableInterestEntityLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=mdu_FuelContractMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis=mdu_FuelContractMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>141
<FILENAME>R127.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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</head>
<body>
<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6852951072">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Quarterly financial information (Unaudited) (Details) - USD ($)<br> $ / shares in Units, shares in Thousands, $ in Thousands</strong></div></th>
<th class="th" colspan="8">3 Months Ended</th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Sep. 30, 2017</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
<th class="th"><div>Mar. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Sep. 30, 2016</div></th>
<th class="th"><div>Jun. 30, 2016</div></th>
<th class="th"><div>Mar. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="nump">$ 1,165,239<span></span>
</td>
<td class="nump">$ 1,272,548<span></span>
</td>
<td class="nump">$ 1,067,639<span></span>
</td>
<td class="nump">$ 937,925<span></span>
</td>
<td class="nump">$ 1,016,099<span></span>
</td>
<td class="nump">$ 1,208,567<span></span>
</td>
<td class="nump">$ 1,043,948<span></span>
</td>
<td class="nump">$ 860,214<span></span>
</td>
<td class="nump">$ 4,443,351<span></span>
</td>
<td class="nump">$ 4,128,828<span></span>
</td>
<td class="nump">$ 4,014,052<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingExpenses', window );">Operating expenses</a></td>
<td class="nump">1,039,695<span></span>
</td>
<td class="nump">1,116,171<span></span>
</td>
<td class="nump">987,960<span></span>
</td>
<td class="nump">870,813<span></span>
</td>
<td class="nump">904,613<span></span>
</td>
<td class="nump">1,061,883<span></span>
</td>
<td class="nump">954,983<span></span>
</td>
<td class="nump">798,229<span></span>
</td>
<td class="nump">4,014,639<span></span>
</td>
<td class="nump">3,719,708<span></span>
</td>
<td class="nump">3,694,277<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingIncomeLoss', window );">Operating income</a></td>
<td class="nump">125,544<span></span>
</td>
<td class="nump">156,377<span></span>
</td>
<td class="nump">79,679<span></span>
</td>
<td class="nump">67,112<span></span>
</td>
<td class="nump">111,486<span></span>
</td>
<td class="nump">146,684<span></span>
</td>
<td class="nump">88,965<span></span>
</td>
<td class="nump">61,985<span></span>
</td>
<td class="nump">428,712<span></span>
</td>
<td class="nump">409,120<span></span>
</td>
<td class="nump">319,775<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperations', window );">Income from continuing operations</a></td>
<td class="nump">115,394<span></span>
</td>
<td class="nump">89,549<span></span>
</td>
<td class="nump">44,405<span></span>
</td>
<td class="nump">35,638<span></span>
</td>
<td class="nump">66,547<span></span>
</td>
<td class="nump">88,386<span></span>
</td>
<td class="nump">46,298<span></span>
</td>
<td class="nump">31,865<span></span>
</td>
<td class="nump">$ 284,986<span></span>
</td>
<td class="nump">$ 233,096<span></span>
</td>
<td class="nump">$ 176,389<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity', window );">Loss from discontinued operations attributable to the Company, net of tax</a></td>
<td class="num">(82)<span></span>
</td>
<td class="num">(2,198)<span></span>
</td>
<td class="num">(3,190)<span></span>
</td>
<td class="nump">1,687<span></span>
</td>
<td class="num">(816)<span></span>
</td>
<td class="num">(5,400)<span></span>
</td>
<td class="num">(155,451)<span></span>
</td>
<td class="num">(6,996)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income (loss) attributable to parent</a></td>
<td class="nump">$ 115,312<span></span>
</td>
<td class="nump">$ 87,351<span></span>
</td>
<td class="nump">$ 41,215<span></span>
</td>
<td class="nump">$ 37,325<span></span>
</td>
<td class="nump">$ 65,731<span></span>
</td>
<td class="nump">$ 82,986<span></span>
</td>
<td class="num">$ (109,153)<span></span>
</td>
<td class="nump">$ 24,869<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasicAbstract', window );"><strong>Earnings (loss) per common share - basic:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare', window );">Earnings before discontinued operations</a></td>
<td class="nump">$ 0.59<span></span>
</td>
<td class="nump">$ 0.46<span></span>
</td>
<td class="nump">$ 0.22<span></span>
</td>
<td class="nump">$ 0.18<span></span>
</td>
<td class="nump">$ 0.34<span></span>
</td>
<td class="nump">$ 0.45<span></span>
</td>
<td class="nump">$ 0.24<span></span>
</td>
<td class="nump">$ 0.16<span></span>
</td>
<td class="nump">$ 1.46<span></span>
</td>
<td class="nump">$ 1.19<span></span>
</td>
<td class="nump">$ 0.90<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare', window );">Discontinued operations attributable to the Company, net of tax</a></td>
<td class="nump">0<span></span>
</td>
<td class="num">(0.01)<span></span>
</td>
<td class="num">(0.01)<span></span>
</td>
<td class="nump">0.01<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="num">(0.03)<span></span>
</td>
<td class="num">(0.80)<span></span>
</td>
<td class="num">(0.03)<span></span>
</td>
<td class="num">(0.02)<span></span>
</td>
<td class="num">(0.86)<span></span>
</td>
<td class="num">(4.10)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasic', window );">Earnings (loss) per common share - basic</a></td>
<td class="nump">$ 0.59<span></span>
</td>
<td class="nump">$ 0.45<span></span>
</td>
<td class="nump">$ 0.21<span></span>
</td>
<td class="nump">$ 0.19<span></span>
</td>
<td class="nump">$ 0.34<span></span>
</td>
<td class="nump">$ 0.42<span></span>
</td>
<td class="num">$ (0.56)<span></span>
</td>
<td class="nump">$ 0.13<span></span>
</td>
<td class="nump">$ 1.44<span></span>
</td>
<td class="nump">$ 0.33<span></span>
</td>
<td class="num">$ (3.20)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Weighted average common shares outstanding - basic</a></td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,284<span></span>
</td>
<td class="nump">195,304<span></span>
</td>
<td class="nump">195,299<span></span>
</td>
<td class="nump">194,928<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareDilutedAbstract', window );"><strong>Earnings (loss) per common share - diluted:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare', window );">Earnings before discontinued operations</a></td>
<td class="nump">$ 0.59<span></span>
</td>
<td class="nump">$ 0.46<span></span>
</td>
<td class="nump">$ 0.22<span></span>
</td>
<td class="nump">$ 0.18<span></span>
</td>
<td class="nump">$ 0.33<span></span>
</td>
<td class="nump">$ 0.45<span></span>
</td>
<td class="nump">$ 0.24<span></span>
</td>
<td class="nump">$ 0.16<span></span>
</td>
<td class="nump">$ 1.45<span></span>
</td>
<td class="nump">$ 1.19<span></span>
</td>
<td class="nump">$ 0.90<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare', window );">Discontinued operations attributable to the Company, net of tax</a></td>
<td class="nump">0<span></span>
</td>
<td class="num">(0.01)<span></span>
</td>
<td class="num">(0.01)<span></span>
</td>
<td class="nump">0.01<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="num">(0.03)<span></span>
</td>
<td class="num">(0.80)<span></span>
</td>
<td class="num">(0.03)<span></span>
</td>
<td class="num">(0.02)<span></span>
</td>
<td class="num">(0.86)<span></span>
</td>
<td class="num">(4.10)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareDiluted', window );">Earnings (loss) per common share - diluted</a></td>
<td class="nump">$ 0.59<span></span>
</td>
<td class="nump">$ 0.45<span></span>
</td>
<td class="nump">$ 0.21<span></span>
</td>
<td class="nump">$ 0.19<span></span>
</td>
<td class="nump">$ 0.33<span></span>
</td>
<td class="nump">$ 0.42<span></span>
</td>
<td class="num">$ (0.56)<span></span>
</td>
<td class="nump">$ 0.13<span></span>
</td>
<td class="nump">$ 1.43<span></span>
</td>
<td class="nump">$ 0.33<span></span>
</td>
<td class="num">$ (3.20)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Weighted average common shares outstanding - diluted</a></td>
<td class="nump">195,617<span></span>
</td>
<td class="nump">195,783<span></span>
</td>
<td class="nump">195,973<span></span>
</td>
<td class="nump">196,023<span></span>
</td>
<td class="nump">195,889<span></span>
</td>
<td class="nump">195,811<span></span>
</td>
<td class="nump">195,699<span></span>
</td>
<td class="nump">195,284<span></span>
</td>
<td class="nump">195,687<span></span>
</td>
<td class="nump">195,618<span></span>
</td>
<td class="nump">194,986<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationAdditionalInformationAbstract', window );"><strong>Additional information [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability', window );">Income tax expense (benefit), continuing operations, adjustment of deferred tax (asset) liability</a></td>
<td class="num">$ (39,500)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 7,735<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
<td class="nump">$ 0<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MultiemployerPlanNameAxis=mdu_OperatingEngineersLocal800AndWyContractorsAssociationPensionPlanForWyMember', window );">Operating Engineers Local 800 and WY Contractors Association Pension Plan for WY [Member] | Withdrawal from multiemployer defined benefit plan [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_SegmentReportingInformationAdditionalInformationAbstract', window );"><strong>Additional information [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LossContingencyAccrualCarryingValuePeriodIncreaseDecrease', window );">Loss contingency accrual, period increase (decrease)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (11,100)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 52<br> -URI http://asc.fasb.org/extlink&amp;oid=96948231&amp;loc=d3e4984-109258<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1252-109256<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareBasicAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasicAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1252-109256<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareDiluted</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareDilutedAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareDilutedAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from continuing operations attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.13)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 18<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4613673-111683<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1252-109256<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-03(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20187-122688<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsPerBasicShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-03(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20187-122688<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(19))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(21))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1252-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of income (loss) from a discontinued operation attributable to the parent. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5C<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721675-107760<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3B<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721525-107759<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3A<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=SL51721523-107759<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e957-107759<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=65878427&amp;loc=d3e1012-107759<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=d3e1361-107760<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 205<br> -SubTopic 20<br> -Section 50<br> -Paragraph 5B<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=64827811&amp;loc=SL51721673-107760<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=96868048&amp;loc=SL4569616-111683<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LossContingencyAccrualCarryingValuePeriodIncreaseDecrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in loss contingency liability.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82911808&amp;loc=d3e14326-108349<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LossContingencyAccrualCarryingValuePeriodIncreaseDecrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(18))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(20))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingExpenses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingExpenses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net result for the period of deducting operating expenses from operating revenues.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Revenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Revenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 16<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1505-109256<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=6371337&amp;loc=d3e3550-109257<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 10<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1448-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6860143328">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Condensed Statements of Income and Comprehensive Income (Details 2) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="8">3 Months Ended</th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Sep. 30, 2017</div></th>
<th class="th"><div>Jun. 30, 2017</div></th>
<th class="th"><div>Mar. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Sep. 30, 2016</div></th>
<th class="th"><div>Jun. 30, 2016</div></th>
<th class="th"><div>Mar. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="nump">$ 1,165,239<span></span>
</td>
<td class="nump">$ 1,272,548<span></span>
</td>
<td class="nump">$ 1,067,639<span></span>
</td>
<td class="nump">$ 937,925<span></span>
</td>
<td class="nump">$ 1,016,099<span></span>
</td>
<td class="nump">$ 1,208,567<span></span>
</td>
<td class="nump">$ 1,043,948<span></span>
</td>
<td class="nump">$ 860,214<span></span>
</td>
<td class="nump">$ 4,443,351<span></span>
</td>
<td class="nump">$ 4,128,828<span></span>
</td>
<td class="nump">$ 4,014,052<span></span>
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</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingExpenses', window );">Operating expenses</a></td>
<td class="nump">1,039,695<span></span>
</td>
<td class="nump">1,116,171<span></span>
</td>
<td class="nump">987,960<span></span>
</td>
<td class="nump">870,813<span></span>
</td>
<td class="nump">904,613<span></span>
</td>
<td class="nump">1,061,883<span></span>
</td>
<td class="nump">954,983<span></span>
</td>
<td class="nump">798,229<span></span>
</td>
<td class="nump">4,014,639<span></span>
</td>
<td class="nump">3,719,708<span></span>
</td>
<td class="nump">3,694,277<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingIncomeLoss', window );">Operating income</a></td>
<td class="nump">$ 125,544<span></span>
</td>
<td class="nump">$ 156,377<span></span>
</td>
<td class="nump">$ 79,679<span></span>
</td>
<td class="nump">$ 67,112<span></span>
</td>
<td class="nump">$ 111,486<span></span>
</td>
<td class="nump">$ 146,684<span></span>
</td>
<td class="nump">$ 88,965<span></span>
</td>
<td class="nump">$ 61,985<span></span>
</td>
<td class="nump">428,712<span></span>
</td>
<td class="nump">409,120<span></span>
</td>
<td class="nump">319,775<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4,103<span></span>
</td>
<td class="nump">4,956<span></span>
</td>
<td class="nump">18,457<span></span>
</td>
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<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">82,788<span></span>
</td>
<td class="nump">87,848<span></span>
</td>
<td class="nump">91,179<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before income taxes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">350,027<span></span>
</td>
<td class="nump">326,228<span></span>
</td>
<td class="nump">247,053<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">65,041<span></span>
</td>
<td class="nump">93,132<span></span>
</td>
<td class="nump">70,664<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockRedemptionPremium', window );">Loss on redemption of preferred stocks (Note 8)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">600<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
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<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic', window );">Earnings (loss) on common stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">280,432<span></span>
</td>
<td class="nump">63,748<span></span>
</td>
<td class="num">(623,120)<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ComprehensiveIncomeNetOfTax', window );">Comprehensive income (loss)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">279,602<span></span>
</td>
<td class="nump">65,848<span></span>
</td>
<td class="num">(617,480)<span></span>
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<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConsolidatedEntitiesAxis=us-gaap_ParentCompanyMember', window );">MDU Resources Group, Inc. [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CondensedFinancialStatementsCaptionsLineItems', window );"><strong>Condensed Financial Statements, Captions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Revenues', window );">Operating revenues</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">623,693<span></span>
</td>
<td class="nump">561,266<span></span>
</td>
<td class="nump">556,112<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingExpenses', window );">Operating expenses</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">516,524<span></span>
</td>
<td class="nump">469,062<span></span>
</td>
<td class="nump">478,198<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingIncomeLoss', window );">Operating income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">107,169<span></span>
</td>
<td class="nump">92,204<span></span>
</td>
<td class="nump">77,914<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherNonoperatingIncomeExpense', window );">Other income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,331<span></span>
</td>
<td class="nump">1,491<span></span>
</td>
<td class="nump">8,318<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InterestExpense', window );">Interest expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">31,997<span></span>
</td>
<td class="nump">31,519<span></span>
</td>
<td class="nump">23,562<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest', window );">Income before income taxes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">76,503<span></span>
</td>
<td class="nump">62,176<span></span>
</td>
<td class="nump">62,670<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">Income taxes</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">13,800<span></span>
</td>
<td class="nump">6,355<span></span>
</td>
<td class="nump">15,882<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_EquityinEarningsLossofSubsidiariesFromContinuingOperations', window );">Equity in earnings of subsidiaries from continuing operations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">222,283<span></span>
</td>
<td class="nump">177,275<span></span>
</td>
<td class="nump">129,601<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_NetIncomeAttributabletotheCompanyfromContinuingOperations', window );">Net income from continuing operations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">284,986<span></span>
</td>
<td class="nump">233,096<span></span>
</td>
<td class="nump">176,389<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_EquityinEarningsLossofSubsidiariesFromDiscontinuedOperationsAttributabletotheCompany', window );">Equity in earnings (loss) of subsidiaries from discontinued operations attributable to the company</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">(3,783)<span></span>
</td>
<td class="num">(168,663)<span></span>
</td>
<td class="num">(798,824)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockRedemptionPremium', window );">Loss on redemption of preferred stocks (Note 8)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">600<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPreferredStock', window );">Dividends declared on preferred stocks</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">171<span></span>
</td>
<td class="nump">685<span></span>
</td>
<td class="nump">685<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic', window );">Earnings (loss) on common stock</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">280,432<span></span>
</td>
<td class="nump">63,748<span></span>
</td>
<td class="num">(623,120)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ComprehensiveIncomeNetOfTax', window );">Comprehensive income (loss)</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 279,602<span></span>
</td>
<td class="nump">$ 65,848<span></span>
</td>
<td class="num">$ (617,480)<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_EquityinEarningsLossofSubsidiariesFromContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Equity in earnings (loss) of subsidiaries from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_EquityinEarningsLossofSubsidiariesFromContinuingOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_EquityinEarningsLossofSubsidiariesFromDiscontinuedOperationsAttributabletotheCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Equity in earnings loss of subsidiaries from discontinued operations attributable to the company.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_EquityinEarningsLossofSubsidiariesFromDiscontinuedOperationsAttributabletotheCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_NetIncomeAttributabletotheCompanyfromContinuingOperations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Net income attributable to the company from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_NetIncomeAttributabletotheCompanyfromContinuingOperations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ComprehensiveIncomeNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e557-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ComprehensiveIncomeNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CondensedFinancialStatementsCaptionsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CondensedFinancialStatementsCaptionsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsPreferredStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 405<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6957935&amp;loc=d3e64057-112817<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsPreferredStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 940<br> -SubTopic 20<br> -Section 25<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=68072869&amp;loc=d3e41242-110953<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(15))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879464&amp;loc=d3e573970-122913<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (a),(b)<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32639-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(h))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of the cost of borrowed funds accounted for as interest expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6450988&amp;loc=d3e26243-108391<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=64930785&amp;loc=d3e28555-108399<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 225<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=6879574&amp;loc=d3e536633-122882<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=96947427&amp;loc=d3e1377-109256<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingExpenses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingExpenses</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net result for the period of deducting operating expenses from operating revenues.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherNonoperatingIncomeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of income (expense) related to nonoperating activities, classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherNonoperatingIncomeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockRedemptionPremium">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The excess of (1) fair value of the consideration transferred to the holders of the preferred stock over (2) the carrying amount of the preferred stock in the registrant's balance sheet, during the accounting period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=27010884&amp;loc=d3e42851-122695<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockRedemptionPremium</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Revenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 225<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=63488584&amp;loc=d3e20235-122688<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Revenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConsolidatedEntitiesAxis=us-gaap_ParentCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConsolidatedEntitiesAxis=us-gaap_ParentCompanyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6849652384">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Condensed Balance Sheets (Details 3) - USD ($)<br> $ / shares in Units, $ in Thousands</strong></div></th>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th" colspan="2"><div>Dec. 31, 2015</div></th>
<th class="th"><div>Dec. 31, 2014</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrentAbstract', window );"><strong>Current assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and cash equivalents</a></td>
<td class="nump">$ 34,599<span></span>
</td>
<td class="nump">$ 46,107<span></span>
</td>
<td class="nump">$ 83,903<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 60,479<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReceivablesNetCurrent', window );">Receivables, net</a></td>
<td class="nump">727,030<span></span>
</td>
<td class="nump">630,243<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryNet', window );">Inventories</a></td>
<td class="nump">226,583<span></span>
</td>
<td class="nump">238,273<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetsCurrent', window );">Prepayments and other current assets</a></td>
<td class="nump">81,304<span></span>
</td>
<td class="nump">48,461<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrent', window );">Total current assets</a></td>
<td class="nump">1,069,995<span></span>
</td>
<td class="nump">977,475<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermInvestments', window );">Investments</a></td>
<td class="nump">137,613<span></span>
</td>
<td class="nump">125,866<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="nump">6,770,829<span></span>
</td>
<td class="nump">6,510,229<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment', window );">Less accumulated depreciation, depletion and amortization</a></td>
<td class="nump">2,691,641<span></span>
</td>
<td class="nump">2,578,902<span></span>
</td>
<td class="nump">2,489,322<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNet', window );">Net property, plant and equipment</a></td>
<td class="nump">4,079,188<span></span>
</td>
<td class="nump">3,931,327<span></span>
</td>
<td class="nump">3,898,380<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DeferredChargesAndOtherAssetsAbstract', window );"><strong>Deferred charges and other assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Goodwill</a></td>
<td class="nump">631,791<span></span>
</td>
<td class="nump">631,791<span></span>
</td>
<td class="nump">635,204<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetsNoncurrent', window );">Other</a></td>
<td class="nump">407,850<span></span>
</td>
<td class="nump">415,419<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsNoncurrent', window );">Total deferred charges and other assets</a></td>
<td class="nump">1,047,870<span></span>
</td>
<td class="nump">1,249,799<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="nump">6,334,666<span></span>
</td>
<td class="nump">6,284,467<span></span>
</td>
<td class="nump">6,565,154<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrentAbstract', window );"><strong>Current liabilities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtCurrent', window );">Long-term debt due within one year</a></td>
<td class="nump">148,499<span></span>
</td>
<td class="nump">43,598<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableCurrent', window );">Accounts payable</a></td>
<td class="nump">312,327<span></span>
</td>
<td class="nump">279,962<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxesPayableCurrent', window );">Taxes payable</a></td>
<td class="nump">42,537<span></span>
</td>
<td class="nump">48,164<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableCurrent', window );">Dividends payable</a></td>
<td class="nump">38,573<span></span>
</td>
<td class="nump">37,767<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedSalariesCurrent', window );">Accrued compensation</a></td>
<td class="nump">72,919<span></span>
</td>
<td class="nump">65,867<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherLiabilitiesCurrent', window );">Other accrued liabilities</a></td>
<td class="nump">186,010<span></span>
</td>
<td class="nump">184,377<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrent', window );">Total current liabilities</a></td>
<td class="nump">812,858<span></span>
</td>
<td class="nump">669,659<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtNoncurrent', window );">Long-term debt</a></td>
<td class="nump">1,566,354<span></span>
</td>
<td class="nump">1,746,561<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredCreditsAndOtherLiabilitiesAbstract', window );"><strong>Deferred credits and other liabilities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxLiabilitiesNet', window );">Deferred income taxes</a></td>
<td class="nump">347,271<span></span>
</td>
<td class="nump">668,226<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherLiabilitiesNoncurrent', window );">Other</a></td>
<td class="nump">1,179,140<span></span>
</td>
<td class="nump">883,777<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesNoncurrent', window );">Total deferred credits and other liabilities</a></td>
<td class="nump">1,526,411<span></span>
</td>
<td class="nump">1,552,003<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommitmentsAndContingencies', window );">Commitments and contingencies</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_CommonStockAbstract', window );"><strong>Equity:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockValue', window );">Preferred stocks</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">15,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EquityAbstract', window );"><strong>Authorized - 500,000,000 shares, $1.00 par value</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockValue', window );">Issued - 195,843,297 shares in 2017 and 2016</a></td>
<td class="nump">195,843<span></span>
</td>
<td class="nump">195,843<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdditionalPaidInCapitalCommonStock', window );">Other paid-in capital</a></td>
<td class="nump">1,233,412<span></span>
</td>
<td class="nump">1,232,478<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetainedEarningsAccumulatedDeficit', window );">Retained earnings</a></td>
<td class="nump">1,040,748<span></span>
</td>
<td class="nump">912,282<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax', window );">Accumulated other comprehensive loss</a></td>
<td class="num">(37,334)<span></span>
</td>
<td class="num">(35,733)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockValue', window );">Treasury stock at cost - 538,921 shares</a></td>
<td class="num">(3,626)<span></span>
</td>
<td class="num">(3,626)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Commonequitystockholders', window );">Total common stockholders' equity</a></td>
<td class="nump">2,429,043<span></span>
</td>
<td class="nump">2,301,244<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Total stockholders' equity</a></td>
<td class="nump">2,429,043<span></span>
</td>
<td class="nump">2,316,244<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesAndStockholdersEquity', window );">Total liabilities and stockholders' equity</a></td>
<td class="nump">$ 6,334,666<span></span>
</td>
<td class="nump">$ 6,284,467<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract', window );"><strong>Condensed Balance Sheet (Parenthetical)</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesAuthorized', window );">Common stock, shares authorized</a></td>
<td class="nump">500,000,000<span></span>
</td>
<td class="nump">500,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockParOrStatedValuePerShare', window );">Common stock, par value</a></td>
<td class="nump">$ 1.00<span></span>
</td>
<td class="nump">$ 1.00<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Common stock, shares issued</a></td>
<td class="nump">195,843,297<span></span>
</td>
<td class="nump">195,843,297<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockShares', window );">Treasury stock, shares</a></td>
<td class="nump">538,921<span></span>
</td>
<td class="nump">538,921<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConsolidatedEntitiesAxis=us-gaap_ParentCompanyMember', window );">MDU Resources Group, Inc. [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrentAbstract', window );"><strong>Current assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and cash equivalents</a></td>
<td class="nump">$ 843<span></span>
</td>
<td class="nump">$ 4,159<span></span>
</td>
<td class="nump">$ 2,921<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="nump">$ 6,120<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ReceivablesNetCurrent', window );">Receivables, net</a></td>
<td class="nump">83,453<span></span>
</td>
<td class="nump">80,467<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsReceivableRelatedParties', window );">Accounts receivable from subsidiaries</a></td>
<td class="nump">34,029<span></span>
</td>
<td class="nump">34,424<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryNet', window );">Inventories</a></td>
<td class="nump">13,864<span></span>
</td>
<td class="nump">17,352<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetsCurrent', window );">Prepayments and other current assets</a></td>
<td class="nump">34,400<span></span>
</td>
<td class="nump">24,531<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsCurrent', window );">Total current assets</a></td>
<td class="nump">166,589<span></span>
</td>
<td class="nump">160,933<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermInvestments', window );">Investments</a></td>
<td class="nump">76,779<span></span>
</td>
<td class="nump">70,370<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_InvestmentInSubsidiaries', window );">Investment in subsidiaries</a></td>
<td class="nump">1,704,908<span></span>
</td>
<td class="nump">1,603,874<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="nump">2,631,161<span></span>
</td>
<td class="nump">2,502,264<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment', window );">Less accumulated depreciation, depletion and amortization</a></td>
<td class="nump">797,130<span></span>
</td>
<td class="nump">756,191<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNet', window );">Net property, plant and equipment</a></td>
<td class="nump">1,834,031<span></span>
</td>
<td class="nump">1,746,073<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_DeferredChargesAndOtherAssetsAbstract', window );"><strong>Deferred charges and other assets:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Goodwill', window );">Goodwill</a></td>
<td class="nump">4,812<span></span>
</td>
<td class="nump">4,812<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherAssetsNoncurrent', window );">Other</a></td>
<td class="nump">175,599<span></span>
</td>
<td class="nump">183,654<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AssetsNoncurrent', window );">Total deferred charges and other assets</a></td>
<td class="nump">180,411<span></span>
</td>
<td class="nump">188,466<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_Assets', window );">Total assets</a></td>
<td class="nump">3,962,718<span></span>
</td>
<td class="nump">3,769,716<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrentAbstract', window );"><strong>Current liabilities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtCurrent', window );">Long-term debt due within one year</a></td>
<td class="nump">100,011<span></span>
</td>
<td class="nump">110<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableCurrent', window );">Accounts payable</a></td>
<td class="nump">47,000<span></span>
</td>
<td class="nump">37,697<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccountsPayableRelatedPartiesCurrent', window );">Accounts payable to subsidiaries</a></td>
<td class="nump">7,234<span></span>
</td>
<td class="nump">5,592<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TaxesPayableCurrent', window );">Taxes payable</a></td>
<td class="nump">13,717<span></span>
</td>
<td class="nump">14,992<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DividendsPayableCurrent', window );">Dividends payable</a></td>
<td class="nump">38,573<span></span>
</td>
<td class="nump">37,767<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccruedSalariesCurrent', window );">Accrued compensation</a></td>
<td class="nump">20,017<span></span>
</td>
<td class="nump">16,086<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherLiabilitiesCurrent', window );">Other accrued liabilities</a></td>
<td class="nump">36,881<span></span>
</td>
<td class="nump">34,929<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrent', window );">Total current liabilities</a></td>
<td class="nump">263,433<span></span>
</td>
<td class="nump">147,173<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtNoncurrent', window );">Long-term debt</a></td>
<td class="nump">612,493<span></span>
</td>
<td class="nump">679,667<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredCreditsAndOtherLiabilitiesAbstract', window );"><strong>Deferred credits and other liabilities:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxLiabilitiesNet', window );">Deferred income taxes</a></td>
<td class="nump">147,847<span></span>
</td>
<td class="nump">270,126<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OtherLiabilitiesNoncurrent', window );">Other</a></td>
<td class="nump">509,902<span></span>
</td>
<td class="nump">356,506<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesNoncurrent', window );">Total deferred credits and other liabilities</a></td>
<td class="nump">657,749<span></span>
</td>
<td class="nump">626,632<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommitmentsAndContingencies', window );">Commitments and contingencies</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_CommonStockAbstract', window );"><strong>Equity:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PreferredStockValue', window );">Preferred stocks</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">15,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EquityAbstract', window );"><strong>Authorized - 500,000,000 shares, $1.00 par value</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockValue', window );">Issued - 195,843,297 shares in 2017 and 2016</a></td>
<td class="nump">195,843<span></span>
</td>
<td class="nump">195,843<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdditionalPaidInCapitalCommonStock', window );">Other paid-in capital</a></td>
<td class="nump">1,233,412<span></span>
</td>
<td class="nump">1,232,478<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetainedEarningsAccumulatedDeficit', window );">Retained earnings</a></td>
<td class="nump">1,040,748<span></span>
</td>
<td class="nump">912,282<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax', window );">Accumulated other comprehensive loss</a></td>
<td class="num">(37,334)<span></span>
</td>
<td class="num">(35,733)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockValue', window );">Treasury stock at cost - 538,921 shares</a></td>
<td class="num">(3,626)<span></span>
</td>
<td class="num">(3,626)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_Commonequitystockholders', window );">Total common stockholders' equity</a></td>
<td class="nump">2,429,043<span></span>
</td>
<td class="nump">2,301,244<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Total stockholders' equity</a></td>
<td class="nump">2,429,043<span></span>
</td>
<td class="nump">2,316,244<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesAndStockholdersEquity', window );">Total liabilities and stockholders' equity</a></td>
<td class="nump">$ 3,962,718<span></span>
</td>
<td class="nump">$ 3,769,716<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract', window );"><strong>Condensed Balance Sheet (Parenthetical)</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesAuthorized', window );">Common stock, shares authorized</a></td>
<td class="nump">500,000,000<span></span>
</td>
<td class="nump">500,000,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockParOrStatedValuePerShare', window );">Common stock, par value</a></td>
<td class="nump">$ 1.00<span></span>
</td>
<td class="nump">$ 1.00<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Common stock, shares issued</a></td>
<td class="nump">195,843,297<span></span>
</td>
<td class="nump">195,843,297<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_TreasuryStockShares', window );">Treasury stock, shares</a></td>
<td class="nump">538,921<span></span>
</td>
<td class="nump">538,921<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="fn" style="border-bottom: 0px;"></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr><td colspan="6"></td></tr>
<tr><td colspan="6"><table class="outerFootnotes" width="100%"><tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Balance is presented net of accumulated impairment of <span style="font-family:Trade Gothic;font-size:7.5pt;color:#000000;"><span>$12.3&#160;million</span></span><span style="font-family:Trade Gothic,sans-serif;font-size:7.5pt;color:#000000;"> at the pipeline and midstream segment, which occurred in prior periods.</span><div style="line-height:140%;padding-top:0px;text-align:left;padding-left:0px;text-indent:0px;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:98.65900383141762%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><span style="font-family:Trade Gothic,sans-serif;font-size:8.5pt;"><br/></span></div></td>
</tr></table></td></tr>
</table>
<div style="display: none;">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td><strong> Period Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Items including common stock value, paid in capital, retained earnings, common stock purchased for the treasury and excluding noncontrolling interests (minority interests) and preferred stockholder interests.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_DeferredChargesAndOtherAssetsAbstract</td>
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</div></td></tr>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Investments in subsidiaries.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_InvestmentInSubsidiaries</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsPayableRelatedPartiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 850<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6457730&amp;loc=d3e39549-107864<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 850<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=6457730&amp;loc=d3e39603-107864<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 850<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6457730&amp;loc=d3e39622-107864<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08.(k)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsPayableRelatedPartiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsReceivableRelatedParties">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>For an unclassified balance sheet, amount of receivables arising from transactions with related parties.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(k)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 850<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6457730&amp;loc=d3e39622-107864<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 850<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=6457730&amp;loc=d3e39549-107864<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 850<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=6457730&amp;loc=d3e39603-107864<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3)(a)(2))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsReceivableRelatedParties</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
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</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccruedSalariesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6911-107765<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6935-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedSalariesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.14)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e637-108580<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=d3e681-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=84228862&amp;loc=SL7669686-108580<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdditionalPaidInCapitalCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdditionalPaidInCapitalCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Assets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Assets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.9)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6801-107765<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsCurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(14))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(12))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(15))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(11))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 6: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 7: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(17))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 8: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(16))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashAndCashEquivalentsAtCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3044-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsAtCarryingValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommitmentsAndContingencies">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03.(a),19)<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 450<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=82911808&amp;loc=d3e14326-108349<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.25)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommitmentsAndContingencies</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockParOrStatedValuePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Face amount or stated value per share of common stock.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockParOrStatedValuePerShare</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>num:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesAuthorized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The maximum number of common shares permitted to be issued by an entity's charter and bylaws.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesAuthorized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockSharesIssued">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockSharesIssued</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredCreditsAndOtherLiabilitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredCreditsAndOtherLiabilitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxLiabilitiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=84230637&amp;loc=d3e32537-109319<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=84176650&amp;loc=d3e31931-109318<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxLiabilitiesNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6935-107765<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EquityAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EquityAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Goodwill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=35741047&amp;loc=d3e13816-109267<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6388280&amp;loc=d3e13770-109266<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 20<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=77989000&amp;loc=SL49117168-202975<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Goodwill</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 35<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=68049868&amp;loc=d3e3927-108312<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesAndStockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6876686&amp;loc=d3e534808-122878<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(32))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesAndStockholdersEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.21)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesCurrentAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of obligation due after one year or beyond the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(22))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 201.5-02(26))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(23))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 201.5-02(25))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 5: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 201.5-02(24))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19,20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.22)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.12)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermInvestments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of current assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.8)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetsCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherAssetsNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of noncurrent assets classified as other.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.17)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherAssetsNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6904-107765<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6911-107765<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OtherLiabilitiesNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.24)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OtherLiabilitiesNoncurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PreferredStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(28))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PreferredStockValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.13)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PropertyPlantAndEquipmentNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(13))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(14))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(8))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 360<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6391035&amp;loc=d3e2868-110229<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PropertyPlantAndEquipmentNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ReceivablesNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 946<br> -SubTopic 210<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.6-06(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6488278&amp;loc=d3e604059-122996<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(5))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ReceivablesNetCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RetainedEarningsAccumulatedDeficit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cumulative amount of the reporting entity's undistributed earnings or deficit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(23)(a)(4))<br> -URI http://asc.fasb.org/extlink&amp;oid=6879938&amp;loc=d3e572229-122910<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI http://asc.fasb.org/extlink&amp;oid=27012166&amp;loc=d3e187085-122770<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30)(a)(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RetainedEarningsAccumulatedDeficit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(30))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 310<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB Topic 4.E)<br> -URI http://asc.fasb.org/extlink&amp;oid=27010918&amp;loc=d3e74512-122707<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(31))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 4: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(29))<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TaxesPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19,20)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TaxesPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TreasuryStockShares">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29,30)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6405813&amp;loc=d3e23239-112655<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TreasuryStockShares</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_TreasuryStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6405813&amp;loc=d3e23239-112655<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29,30)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 30<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=6405834&amp;loc=d3e23315-112656<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_TreasuryStockValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConsolidatedEntitiesAxis=us-gaap_ParentCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConsolidatedEntitiesAxis=us-gaap_ParentCompanyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6861216176">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Condensed Statements of Cash Flows (Details 4) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CondensedFinancialStatementsCaptionsLineItems', window );"><strong>Condensed Financial Statements, Captions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivities', window );">Net cash provided by operating activities</a></td>
<td class="nump">$ 448,011<span></span>
</td>
<td class="nump">$ 462,209<span></span>
</td>
<td class="nump">$ 661,832<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquireProductiveAssets', window );">Capital expenditures</a></td>
<td class="num">(341,382)<span></span>
</td>
<td class="num">(388,183)<span></span>
</td>
<td class="num">(536,832)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment', window );">Net proceeds from sale or disposition of property and other</a></td>
<td class="nump">126,588<span></span>
</td>
<td class="nump">44,826<span></span>
</td>
<td class="nump">54,569<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsForProceedsFromInvestments', window );">Investments</a></td>
<td class="num">(1,608)<span></span>
</td>
<td class="num">(1,396)<span></span>
</td>
<td class="nump">1,515<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivities', window );">Net cash used in investing activities</a></td>
<td class="num">(214,168)<span></span>
</td>
<td class="num">(305,095)<span></span>
</td>
<td class="num">(382,453)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfLongTermDebt', window );">Issuance of long-term debt</a></td>
<td class="nump">140,812<span></span>
</td>
<td class="nump">309,064<span></span>
</td>
<td class="nump">345,920<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfLongTermDebt', window );">Repayment of long-term debt</a></td>
<td class="num">(217,394)<span></span>
</td>
<td class="num">(315,647)<span></span>
</td>
<td class="num">(566,498)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Proceeds from issuance of common stock</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">21,898<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsOfDividends', window );">Dividends paid</a></td>
<td class="num">(150,727)<span></span>
</td>
<td class="num">(147,156)<span></span>
</td>
<td class="num">(142,835)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock', window );">Redemption of preferred stock</a></td>
<td class="num">(15,600)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation', window );">Tax withholding on stock-based compensation</a></td>
<td class="num">(757)<span></span>
</td>
<td class="num">(323)<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivities', window );">Net cash used in financing activities</a></td>
<td class="num">(245,350)<span></span>
</td>
<td class="num">(194,914)<span></span>
</td>
<td class="num">(255,730)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease', window );">Increase (decrease) in cash and cash equivalents</a></td>
<td class="num">(11,508)<span></span>
</td>
<td class="num">(37,796)<span></span>
</td>
<td class="nump">23,424<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and cash equivalents - beginning of year</a></td>
<td class="nump">46,107<span></span>
</td>
<td class="nump">83,903<span></span>
</td>
<td class="nump">60,479<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and cash equivalents - end of year</a></td>
<td class="nump">34,599<span></span>
</td>
<td class="nump">46,107<span></span>
</td>
<td class="nump">83,903<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConsolidatedEntitiesAxis=us-gaap_ParentCompanyMember', window );">MDU Resources Group, Inc. [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CondensedFinancialStatementsCaptionsLineItems', window );"><strong>Condensed Financial Statements, Captions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivities', window );">Net cash provided by operating activities</a></td>
<td class="nump">284,075<span></span>
</td>
<td class="nump">238,125<span></span>
</td>
<td class="nump">255,273<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsToAcquireProductiveAssets', window );">Capital expenditures</a></td>
<td class="num">(146,370)<span></span>
</td>
<td class="num">(159,570)<span></span>
</td>
<td class="num">(349,985)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment', window );">Net proceeds from sale or disposition of property and other</a></td>
<td class="num">(5,665)<span></span>
</td>
<td class="nump">3,784<span></span>
</td>
<td class="nump">3,268<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_InvestmentsInAndAdvancesToSubsidiaries', window );">Investments in and advances to subsidiaries</a></td>
<td class="num">(40,000)<span></span>
</td>
<td class="num">(5,000)<span></span>
</td>
<td class="num">(7,000)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_mdu_InvestmentsFromAndAdvancesFromSubsidiaries', window );">Advances from subsidiaries</a></td>
<td class="nump">40,000<span></span>
</td>
<td class="nump">15,000<span></span>
</td>
<td class="nump">100,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsForProceedsFromInvestments', window );">Investments</a></td>
<td class="num">(468)<span></span>
</td>
<td class="num">(129)<span></span>
</td>
<td class="nump">5<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivities', window );">Net cash used in investing activities</a></td>
<td class="num">(152,503)<span></span>
</td>
<td class="num">(145,915)<span></span>
</td>
<td class="num">(253,712)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfLongTermDebt', window );">Issuance of long-term debt</a></td>
<td class="nump">70,080<span></span>
</td>
<td class="nump">106,420<span></span>
</td>
<td class="nump">224,185<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RepaymentsOfLongTermDebt', window );">Repayment of long-term debt</a></td>
<td class="num">(37,569)<span></span>
</td>
<td class="num">(50,010)<span></span>
</td>
<td class="num">(108,008)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ProceedsFromIssuanceOfCommonStock', window );">Proceeds from issuance of common stock</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">21,898<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsOfDividends', window );">Dividends paid</a></td>
<td class="num">(150,727)<span></span>
</td>
<td class="num">(147,156)<span></span>
</td>
<td class="num">(142,835)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock', window );">Redemption of preferred stock</a></td>
<td class="num">(15,600)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities', window );">Repurchase of common stock</a></td>
<td class="num">(564)<span></span>
</td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation', window );">Tax withholding on stock-based compensation</a></td>
<td class="num">(508)<span></span>
</td>
<td class="num">(226)<span></span>
</td>
<td class="nump">0<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivities', window );">Net cash used in financing activities</a></td>
<td class="num">(134,888)<span></span>
</td>
<td class="num">(90,972)<span></span>
</td>
<td class="num">(4,760)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease', window );">Increase (decrease) in cash and cash equivalents</a></td>
<td class="num">(3,316)<span></span>
</td>
<td class="nump">1,238<span></span>
</td>
<td class="num">(3,199)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and cash equivalents - beginning of year</a></td>
<td class="nump">4,159<span></span>
</td>
<td class="nump">2,921<span></span>
</td>
<td class="nump">6,120<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and cash equivalents - end of year</a></td>
<td class="nump">$ 843<span></span>
</td>
<td class="nump">$ 4,159<span></span>
</td>
<td class="nump">$ 2,921<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_InvestmentsFromAndAdvancesFromSubsidiaries">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Investments From and Advances From Subsidiaries.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_InvestmentsFromAndAdvancesFromSubsidiaries</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_mdu_InvestmentsInAndAdvancesToSubsidiaries">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Investments in and advances to subsidiaries.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">mdu_InvestmentsInAndAdvancesToSubsidiaries</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>mdu_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashAndCashEquivalentsAtCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=82887183&amp;loc=d3e6676-107765<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3044-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.1)<br> -URI http://asc.fasb.org/extlink&amp;oid=6877327&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsAtCarryingValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 830<br> -SubTopic 230<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=98513438&amp;loc=d3e33268-110906<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CondensedFinancialStatementsCaptionsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CondensedFinancialStatementsCaptionsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 20<br> -Section 55<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=96864182&amp;loc=d3e11374-113907<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInFinancingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 26<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3574-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInFinancingActivities</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInInvestingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 26<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3574-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInInvestingActivities</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetCashProvidedByUsedInOperatingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 24<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3521-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3602-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NetCashProvidedByUsedInOperatingActivities</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsForProceedsFromInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The net cash paid (received) associated with the acquisition or disposal of all investments, including securities and other assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3098-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3095-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsForProceedsFromInvestments</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow to reacquire preferred stock during the period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsForRepurchaseOfPreferredStockAndPreferenceStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsOfDividends">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsOfDividends</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 25<br> -Paragraph 19A<br> -URI http://asc.fasb.org/extlink&amp;oid=96949009&amp;loc=SL79513924-113897<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PaymentsToAcquireProductiveAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 13<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3213-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PaymentsToAcquireProductiveAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfCommonStock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the additional capital contribution to the entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfCommonStock</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromIssuanceOfLongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromIssuanceOfLongTermDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 12<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3179-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RepaymentsOfLongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 15<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=98514028&amp;loc=d3e3291-108585<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RepaymentsOfLongTermDebt</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
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</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConsolidatedEntitiesAxis=us-gaap_ParentCompanyMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConsolidatedEntitiesAxis=us-gaap_ParentCompanyMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6851288816">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Notes to Condensed Financial Statements (Details 5) - USD ($)<br></strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CondensedFinancialStatementsCaptionsLineItems', window );"><strong>Condensed Financial Statements, Captions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths', window );">2018</a></td>
<td class="nump">$ 148,499,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo', window );">2019</a></td>
<td class="nump">125,504,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree', window );">2020</a></td>
<td class="nump">73,012,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour', window );">2021</a></td>
<td class="nump">15,312,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive', window );">2022</a></td>
<td class="nump">147,214,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive', window );">Mature in years after 2022</a></td>
<td class="nump">1,211,007,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConsolidatedEntitiesAxis=us-gaap_ParentCompanyMember', window );">MDU Resources Group, Inc. [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CondensedFinancialStatementsCaptionsLineItems', window );"><strong>Condensed Financial Statements, Captions [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths', window );">2018</a></td>
<td class="nump">100,000,000.0<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo', window );">2019</a></td>
<td class="nump">74,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree', window );">2020</a></td>
<td class="nump">700,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour', window );">2021</a></td>
<td class="nump">700,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive', window );">2022</a></td>
<td class="nump">700,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive', window );">Mature in years after 2022</a></td>
<td class="nump">538,100,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries', window );">Cash dividends paid to parent company by consolidated subsidiaries</a></td>
<td class="nump">$ 116,100,000<span></span>
</td>
<td class="nump">$ 115,800,000<span></span>
</td>
<td class="nump">$ 110,600,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>This element represents disclosure of the aggregate cash dividends paid to the entity by consolidated subsidiaries.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04.(b))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24072-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 235<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.9-06)<br> -URI http://asc.fasb.org/extlink&amp;oid=6882215&amp;loc=d3e537971-122884<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashDividendsPaidToParentCompanyByConsolidatedSubsidiaries</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CondensedFinancialStatementsCaptionsLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CondensedFinancialStatementsCaptionsLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6802200&amp;loc=d3e1835-112601<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04.(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24072-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04.(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24072-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6802200&amp;loc=d3e1835-112601<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6802200&amp;loc=d3e1835-112601<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04.(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24072-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04.(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24072-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6802200&amp;loc=d3e1835-112601<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6802200&amp;loc=d3e1835-112601<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04.(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24072-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6802200&amp;loc=d3e1835-112601<br><br>Reference 2: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 3<br> -Subparagraph (SX 210.12-04.(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24072-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td style="white-space:nowrap;">us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo</td>
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<head>
<title></title>
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<span style="display: none;">v3.8.0.1</span><table class="report" border="0" cellspacing="2" id="idp6861321200">
<tr>
<th class="tl" colspan="2" rowspan="2"><div style="width: 200px;"><strong>Schedule II - Consolidated Valuation and Qualifying Accounts (Details 2) - Allowance for doubtful accounts [Member] - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Dec. 31, 2017</div></th>
<th class="th"><div>Dec. 31, 2016</div></th>
<th class="th"><div>Dec. 31, 2015</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_MovementInValuationAllowancesAndReservesRollForward', window );"><strong>Allowance for doubtful accounts:</strong></a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ValuationAllowancesAndReservesBalance', window );">Balance, beginning of period</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 10,479<span></span>
</td>
<td class="nump">$ 9,835<span></span>
</td>
<td class="nump">$ 9,511<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense', window );">Charged to costs and expenses</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">7,024<span></span>
</td>
<td class="nump">8,302<span></span>
</td>
<td class="nump">11,343<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts', window );">Other</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[1]</sup></td>
<td class="nump">989<span></span>
</td>
<td class="nump">851<span></span>
</td>
<td class="nump">1,012<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ValuationAllowancesAndReservesDeductions', window );">Deductions</a></td>
<td class="th" style="border-bottom: 0px;"><sup>[2]</sup></td>
<td class="nump">10,423<span></span>
</td>
<td class="nump">8,509<span></span>
</td>
<td class="nump">12,031<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ValuationAllowancesAndReservesBalance', window );">Balance, end of period</a></td>
<td class="th" style="border-bottom: 0px;"><sup></sup></td>
<td class="nump">$ 8,069<span></span>
</td>
<td class="nump">$ 10,479<span></span>
</td>
<td class="nump">$ 9,835<span></span>
</td>
</tr>
<tr><td colspan="5"></td></tr>
<tr><td colspan="5"><table class="outerFootnotes" width="100%">
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[1]</td>
<td style="vertical-align: top;" valign="top">Recoveries.</td>
</tr>
<tr class="outerFootnote">
<td style="vertical-align: top; width: 12pt;" valign="top">[2]</td>
<td style="vertical-align: top;" valign="top">Uncollectible accounts written off.<div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:99.90338164251207%;border-collapse:collapse;text-align:left;"><tr><td colspan="1"/></tr><tr><td style="width:100%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;height:5px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">&#160;</span></div></td></tr></table></div><br/></td>
</tr>
</table></td></tr>
</table>
<div style="display: none;">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MovementInValuationAllowancesAndReservesRollForward</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total of allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 4<br> -Subparagraph (SX 210.12-09)<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24092-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ValuationAllowancesAndReservesBalance</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from charges to costs and expenses.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 4<br> -Subparagraph (SX 210.12-09)<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24092-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ValuationAllowancesAndReservesChargedToCostAndExpense</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from charges to accounts other than costs and expenses.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 4<br> -Subparagraph (SX 210.12-09)<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24092-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ValuationAllowancesAndReservesChargedToOtherAccounts</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing receivables written off as uncollectible and portions of the reserves utilized, respectively.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 4<br> -Subparagraph (SX 210.12-09)<br> -URI http://asc.fasb.org/extlink&amp;oid=26873400&amp;loc=d3e24092-122690<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
